* linux-next: build warning after merge of the mfd tree
@ 2017-11-30 0:35 Stephen Rothwell
2017-11-30 3:05 ` [PATCH] leds: pm8058: Make ledtype pointer sized type Bjorn Andersson
` (2 more replies)
0 siblings, 3 replies; 37+ messages in thread
From: Stephen Rothwell @ 2017-11-30 0:35 UTC (permalink / raw)
To: Lee Jones
Cc: Linux-Next Mailing List, Linux Kernel Mailing List,
Linus Walleij, Jacek Anaszewski, Bjorn Andersson
Hi Lee,
After merging the mfd tree, today's linux-next build (x86_64 allmodconfig)
produced this warning:
drivers/leds/leds-pm8058.c: In function 'pm8058_led_probe':
drivers/leds/leds-pm8058.c:109:17: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
led->ledtype = (u32)of_device_get_match_data(&pdev->dev);
^
Exposed by commit
deed10c2d603 ("mfd: pm8xxx: Make elegible for COMPILE_TEST")
CONFIG_LEDS_PM8058 depends on CONFIG_MFD_PM8XXX which is now turned on
by allmodconfig.
The actual problematic commit is:
7f866986e705 ("leds: add PM8058 LEDs driver")
from v4.9-rc1.
--
Cheers,
Stephen Rothwell
^ permalink raw reply [flat|nested] 37+ messages in thread
* [PATCH] leds: pm8058: Make ledtype pointer sized type
2017-11-30 0:35 linux-next: build warning after merge of the mfd tree Stephen Rothwell
@ 2017-11-30 3:05 ` Bjorn Andersson
2017-11-30 8:29 ` Lee Jones
` (2 more replies)
2017-11-30 8:28 ` linux-next: build warning after merge of the mfd tree Lee Jones
2017-12-01 5:16 ` [PATCH v2] leds: pm8058: Silence pointer to integer size warning Bjorn Andersson
2 siblings, 3 replies; 37+ messages in thread
From: Bjorn Andersson @ 2017-11-30 3:05 UTC (permalink / raw)
To: Richard Purdie, Jacek Anaszewski, Pavel Machek
Cc: linux-leds, linux-kernel, Linus Walleij, Lee Jones,
Stephen Rothwell, Linux-Next Mailing List
The pointer returned by of_device_get_match_data() doesn't have the same
size as u32 on 64-bit architectures, causing issues when compile testing
the driver on such platform. Make ledtype unsigned long instead, to
solve this problem.
Fixes: 7f866986e705 ("leds: add PM8058 LEDs driver")
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
---
drivers/leds/leds-pm8058.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/leds/leds-pm8058.c b/drivers/leds/leds-pm8058.c
index a52674327857..cc2afe81720d 100644
--- a/drivers/leds/leds-pm8058.c
+++ b/drivers/leds/leds-pm8058.c
@@ -29,7 +29,7 @@
struct pm8058_led {
struct regmap *map;
u32 reg;
- u32 ledtype;
+ unsigned long ledtype;
struct led_classdev cdev;
};
@@ -106,7 +106,7 @@ static int pm8058_led_probe(struct platform_device *pdev)
if (!led)
return -ENOMEM;
- led->ledtype = (u32)of_device_get_match_data(&pdev->dev);
+ led->ledtype = (unsigned long)of_device_get_match_data(&pdev->dev);
map = dev_get_regmap(pdev->dev.parent, NULL);
if (!map) {
--
2.15.0
^ permalink raw reply related [flat|nested] 37+ messages in thread
* Re: linux-next: build warning after merge of the mfd tree
2017-11-30 0:35 linux-next: build warning after merge of the mfd tree Stephen Rothwell
2017-11-30 3:05 ` [PATCH] leds: pm8058: Make ledtype pointer sized type Bjorn Andersson
@ 2017-11-30 8:28 ` Lee Jones
2017-12-01 5:16 ` [PATCH v2] leds: pm8058: Silence pointer to integer size warning Bjorn Andersson
2 siblings, 0 replies; 37+ messages in thread
From: Lee Jones @ 2017-11-30 8:28 UTC (permalink / raw)
To: Stephen Rothwell
Cc: Linux-Next Mailing List, Linux Kernel Mailing List,
Linus Walleij, Jacek Anaszewski, Bjorn Andersson
On Thu, 30 Nov 2017, Stephen Rothwell wrote:
> Hi Lee,
>
> After merging the mfd tree, today's linux-next build (x86_64 allmodconfig)
> produced this warning:
>
> drivers/leds/leds-pm8058.c: In function 'pm8058_led_probe':
> drivers/leds/leds-pm8058.c:109:17: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
> led->ledtype = (u32)of_device_get_match_data(&pdev->dev);
Linuuuuusssssss ...
Please fix. I'm happy to squash.
> Exposed by commit
>
> deed10c2d603 ("mfd: pm8xxx: Make elegible for COMPILE_TEST")
>
> CONFIG_LEDS_PM8058 depends on CONFIG_MFD_PM8XXX which is now turned on
> by allmodconfig.
>
> The actual problematic commit is:
>
> 7f866986e705 ("leds: add PM8058 LEDs driver")
>
> from v4.9-rc1.
>
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
^ permalink raw reply [flat|nested] 37+ messages in thread
* Re: [PATCH] leds: pm8058: Make ledtype pointer sized type
2017-11-30 3:05 ` [PATCH] leds: pm8058: Make ledtype pointer sized type Bjorn Andersson
@ 2017-11-30 8:29 ` Lee Jones
2017-11-30 8:31 ` Lee Jones
2017-11-30 9:18 ` Linus Walleij
2017-11-30 9:40 ` Pavel Machek
2 siblings, 1 reply; 37+ messages in thread
From: Lee Jones @ 2017-11-30 8:29 UTC (permalink / raw)
To: Bjorn Andersson
Cc: Richard Purdie, Jacek Anaszewski, Pavel Machek, linux-leds,
linux-kernel, Linus Walleij, Stephen Rothwell,
Linux-Next Mailing List
On Wed, 29 Nov 2017, Bjorn Andersson wrote:
> The pointer returned by of_device_get_match_data() doesn't have the same
> size as u32 on 64-bit architectures, causing issues when compile testing
> the driver on such platform. Make ledtype unsigned long instead, to
> solve this problem.
>
> Fixes: 7f866986e705 ("leds: add PM8058 LEDs driver")
> Cc: Linus Walleij <linus.walleij@linaro.org>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> ---
> drivers/leds/leds-pm8058.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
Hi Bjorn,
(Nice to see you) :)
I'm going to apply this *before* Linus' fix.
Applied, thanks.
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
^ permalink raw reply [flat|nested] 37+ messages in thread
* Re: [PATCH] leds: pm8058: Make ledtype pointer sized type
2017-11-30 8:29 ` Lee Jones
@ 2017-11-30 8:31 ` Lee Jones
2017-11-30 22:02 ` Jacek Anaszewski
0 siblings, 1 reply; 37+ messages in thread
From: Lee Jones @ 2017-11-30 8:31 UTC (permalink / raw)
To: Bjorn Andersson
Cc: Richard Purdie, Jacek Anaszewski, Pavel Machek, linux-leds,
linux-kernel, Linus Walleij, Stephen Rothwell,
Linux-Next Mailing List
On Thu, 30 Nov 2017, Lee Jones wrote:
> On Wed, 29 Nov 2017, Bjorn Andersson wrote:
>
> > The pointer returned by of_device_get_match_data() doesn't have the same
> > size as u32 on 64-bit architectures, causing issues when compile testing
> > the driver on such platform. Make ledtype unsigned long instead, to
> > solve this problem.
> >
> > Fixes: 7f866986e705 ("leds: add PM8058 LEDs driver")
> > Cc: Linus Walleij <linus.walleij@linaro.org>
> > Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> > ---
> > drivers/leds/leds-pm8058.c | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
>
> Hi Bjorn,
>
> (Nice to see you) :)
>
> I'm going to apply this *before* Linus' fix.
>
> Applied, thanks.
After I rx an Ack from Richard, Jacek or Pavel of course. :)
Will send a pull-request.
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
^ permalink raw reply [flat|nested] 37+ messages in thread
* Re: [PATCH] leds: pm8058: Make ledtype pointer sized type
2017-11-30 3:05 ` [PATCH] leds: pm8058: Make ledtype pointer sized type Bjorn Andersson
2017-11-30 8:29 ` Lee Jones
@ 2017-11-30 9:18 ` Linus Walleij
2017-11-30 9:41 ` Lee Jones
2017-11-30 9:40 ` Pavel Machek
2 siblings, 1 reply; 37+ messages in thread
From: Linus Walleij @ 2017-11-30 9:18 UTC (permalink / raw)
To: Bjorn Andersson
Cc: Richard Purdie, Jacek Anaszewski, Pavel Machek, linux-leds,
linux-kernel, Lee Jones, Stephen Rothwell,
Linux-Next Mailing List
On Thu, Nov 30, 2017 at 4:05 AM, Bjorn Andersson
<bjorn.andersson@linaro.org> wrote:
> The pointer returned by of_device_get_match_data() doesn't have the same
> size as u32 on 64-bit architectures, causing issues when compile testing
> the driver on such platform. Make ledtype unsigned long instead, to
> solve this problem.
>
> Fixes: 7f866986e705 ("leds: add PM8058 LEDs driver")
> Cc: Linus Walleij <linus.walleij@linaro.org>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Thanks for covering my ass.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Yours,
Linus Walleij
^ permalink raw reply [flat|nested] 37+ messages in thread
* Re: [PATCH] leds: pm8058: Make ledtype pointer sized type
2017-11-30 3:05 ` [PATCH] leds: pm8058: Make ledtype pointer sized type Bjorn Andersson
2017-11-30 8:29 ` Lee Jones
2017-11-30 9:18 ` Linus Walleij
@ 2017-11-30 9:40 ` Pavel Machek
2017-11-30 21:58 ` Jacek Anaszewski
2017-11-30 22:18 ` Bjorn Andersson
2 siblings, 2 replies; 37+ messages in thread
From: Pavel Machek @ 2017-11-30 9:40 UTC (permalink / raw)
To: Bjorn Andersson
Cc: Richard Purdie, Jacek Anaszewski, linux-leds, linux-kernel,
Linus Walleij, Lee Jones, Stephen Rothwell,
Linux-Next Mailing List
[-- Attachment #1: Type: text/plain, Size: 1175 bytes --]
On Wed 2017-11-29 19:05:43, Bjorn Andersson wrote:
> The pointer returned by of_device_get_match_data() doesn't have the same
> size as u32 on 64-bit architectures, causing issues when compile testing
> the driver on such platform. Make ledtype unsigned long instead, to
> solve this problem.
>
> Fixes: 7f866986e705 ("leds: add PM8058 LEDs driver")
> Cc: Linus Walleij <linus.walleij@linaro.org>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Ummm... no?
extern const void *of_device_get_match_data(const struct device *dev);
> diff --git a/drivers/leds/leds-pm8058.c b/drivers/leds/leds-pm8058.c
> index a52674327857..cc2afe81720d 100644
> --- a/drivers/leds/leds-pm8058.c
> +++ b/drivers/leds/leds-pm8058.c
> @@ -29,7 +29,7 @@
> struct pm8058_led {
> struct regmap *map;
> u32 reg;
> - u32 ledtype;
> + unsigned long ledtype;
Make it void *. u32 is buggy. unsigned long is merely ugly code. void
* is not nice, but certainly better than unsigned long.
Thanks,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
[-- Attachment #2: Digital signature --]
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^ permalink raw reply [flat|nested] 37+ messages in thread
* Re: [PATCH] leds: pm8058: Make ledtype pointer sized type
2017-11-30 9:18 ` Linus Walleij
@ 2017-11-30 9:41 ` Lee Jones
0 siblings, 0 replies; 37+ messages in thread
From: Lee Jones @ 2017-11-30 9:41 UTC (permalink / raw)
To: Linus Walleij
Cc: Bjorn Andersson, Richard Purdie, Jacek Anaszewski, Pavel Machek,
linux-leds, linux-kernel, Stephen Rothwell,
Linux-Next Mailing List
On Thu, 30 Nov 2017, Linus Walleij wrote:
> On Thu, Nov 30, 2017 at 4:05 AM, Bjorn Andersson
> <bjorn.andersson@linaro.org> wrote:
>
> > The pointer returned by of_device_get_match_data() doesn't have the same
> > size as u32 on 64-bit architectures, causing issues when compile testing
> > the driver on such platform. Make ledtype unsigned long instead, to
> > solve this problem.
> >
> > Fixes: 7f866986e705 ("leds: add PM8058 LEDs driver")
> > Cc: Linus Walleij <linus.walleij@linaro.org>
> > Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
>
> Thanks for covering my ass.
:D
> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
I still need a LED Ack if I'm going to take this.
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
^ permalink raw reply [flat|nested] 37+ messages in thread
* Re: [PATCH] leds: pm8058: Make ledtype pointer sized type
2017-11-30 9:40 ` Pavel Machek
@ 2017-11-30 21:58 ` Jacek Anaszewski
2017-11-30 22:34 ` Pavel Machek
2017-11-30 22:18 ` Bjorn Andersson
1 sibling, 1 reply; 37+ messages in thread
From: Jacek Anaszewski @ 2017-11-30 21:58 UTC (permalink / raw)
To: Pavel Machek, Bjorn Andersson
Cc: Richard Purdie, linux-leds, linux-kernel, Linus Walleij,
Lee Jones, Stephen Rothwell, Linux-Next Mailing List
On 11/30/2017 10:40 AM, Pavel Machek wrote:
> On Wed 2017-11-29 19:05:43, Bjorn Andersson wrote:
>> The pointer returned by of_device_get_match_data() doesn't have the same
>> size as u32 on 64-bit architectures, causing issues when compile testing
>> the driver on such platform. Make ledtype unsigned long instead, to
>> solve this problem.
>>
>> Fixes: 7f866986e705 ("leds: add PM8058 LEDs driver")
>> Cc: Linus Walleij <linus.walleij@linaro.org>
>> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
>
> Ummm... no?
>
> extern const void *of_device_get_match_data(const struct device *dev);
>
>
>> diff --git a/drivers/leds/leds-pm8058.c b/drivers/leds/leds-pm8058.c
>> index a52674327857..cc2afe81720d 100644
>> --- a/drivers/leds/leds-pm8058.c
>> +++ b/drivers/leds/leds-pm8058.c
>> @@ -29,7 +29,7 @@
>> struct pm8058_led {
>> struct regmap *map;
>> u32 reg;
>> - u32 ledtype;
>> + unsigned long ledtype;
>
> Make it void *. u32 is buggy. unsigned long is merely ugly code. void
> * is not nice, but certainly better than unsigned long.
unsigned long is correct, see below:
static const struct of_device_id pm8058_leds_id_table[] = {
{
.compatible = "qcom,pm8058-led",
.data = (void *)PM8058_LED_TYPE_COMMON
},
{
.compatible = "qcom,pm8058-keypad-led",
.data = (void *)PM8058_LED_TYPE_KEYPAD
},
{
.compatible = "qcom,pm8058-flash-led",
.data = (void *)PM8058_LED_TYPE_FLASH
},
{ },
};
of_device_get_match_data will return PM8058_LED_TYPE_*
which clearly is a led type identifier.
Thus unsigned long looks reasonable.
--
Best regards,
Jacek Anaszewski
^ permalink raw reply [flat|nested] 37+ messages in thread
* Re: [PATCH] leds: pm8058: Make ledtype pointer sized type
2017-11-30 8:31 ` Lee Jones
@ 2017-11-30 22:02 ` Jacek Anaszewski
2017-12-01 7:56 ` Lee Jones
0 siblings, 1 reply; 37+ messages in thread
From: Jacek Anaszewski @ 2017-11-30 22:02 UTC (permalink / raw)
To: Lee Jones, Bjorn Andersson
Cc: Richard Purdie, Pavel Machek, linux-leds, linux-kernel,
Linus Walleij, Stephen Rothwell, Linux-Next Mailing List
On 11/30/2017 09:31 AM, Lee Jones wrote:
> On Thu, 30 Nov 2017, Lee Jones wrote:
>
>> On Wed, 29 Nov 2017, Bjorn Andersson wrote:
>>
>>> The pointer returned by of_device_get_match_data() doesn't have the same
>>> size as u32 on 64-bit architectures, causing issues when compile testing
>>> the driver on such platform. Make ledtype unsigned long instead, to
>>> solve this problem.
>>>
>>> Fixes: 7f866986e705 ("leds: add PM8058 LEDs driver")
>>> Cc: Linus Walleij <linus.walleij@linaro.org>
>>> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
>>> ---
>>> drivers/leds/leds-pm8058.c | 4 ++--
>>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> Hi Bjorn,
>>
>> (Nice to see you) :)
>>
>> I'm going to apply this *before* Linus' fix.
>>
>> Applied, thanks.
>
> After I rx an Ack from Richard, Jacek or Pavel of course. :)
>
> Will send a pull-request.
Huh? This is for LED subsystem AFAICS.
--
Best regards,
Jacek Anaszewski
^ permalink raw reply [flat|nested] 37+ messages in thread
* Re: [PATCH] leds: pm8058: Make ledtype pointer sized type
2017-11-30 9:40 ` Pavel Machek
2017-11-30 21:58 ` Jacek Anaszewski
@ 2017-11-30 22:18 ` Bjorn Andersson
1 sibling, 0 replies; 37+ messages in thread
From: Bjorn Andersson @ 2017-11-30 22:18 UTC (permalink / raw)
To: Pavel Machek
Cc: Richard Purdie, Jacek Anaszewski, linux-leds, linux-kernel,
Linus Walleij, Lee Jones, Stephen Rothwell,
Linux-Next Mailing List
On Thu 30 Nov 01:40 PST 2017, Pavel Machek wrote:
> On Wed 2017-11-29 19:05:43, Bjorn Andersson wrote:
> > The pointer returned by of_device_get_match_data() doesn't have the same
> > size as u32 on 64-bit architectures, causing issues when compile testing
> > the driver on such platform. Make ledtype unsigned long instead, to
> > solve this problem.
> >
> > Fixes: 7f866986e705 ("leds: add PM8058 LEDs driver")
> > Cc: Linus Walleij <linus.walleij@linaro.org>
> > Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
>
> Ummm... no?
>
> extern const void *of_device_get_match_data(const struct device *dev);
>
Right, this returns a pointer, which is of architecture dependent size.
>
> > diff --git a/drivers/leds/leds-pm8058.c b/drivers/leds/leds-pm8058.c
> > index a52674327857..cc2afe81720d 100644
> > --- a/drivers/leds/leds-pm8058.c
> > +++ b/drivers/leds/leds-pm8058.c
> > @@ -29,7 +29,7 @@
> > struct pm8058_led {
> > struct regmap *map;
> > u32 reg;
> > - u32 ledtype;
> > + unsigned long ledtype;
>
> Make it void *. u32 is buggy. unsigned long is merely ugly code. void
> * is not nice, but certainly better than unsigned long.
>
unsigned long is the integer type in the kernel that has the same size
as a pointer, similar to the C-standard's intptr_t. So this is the
idiomatic way to pass an integer data type via a pointer variable in the
kernel.
Regards,
Bjorn
^ permalink raw reply [flat|nested] 37+ messages in thread
* Re: [PATCH] leds: pm8058: Make ledtype pointer sized type
2017-11-30 21:58 ` Jacek Anaszewski
@ 2017-11-30 22:34 ` Pavel Machek
2017-11-30 23:14 ` Stephen Rothwell
0 siblings, 1 reply; 37+ messages in thread
From: Pavel Machek @ 2017-11-30 22:34 UTC (permalink / raw)
To: Jacek Anaszewski
Cc: Bjorn Andersson, Richard Purdie, linux-leds, linux-kernel,
Linus Walleij, Lee Jones, Stephen Rothwell,
Linux-Next Mailing List
[-- Attachment #1: Type: text/plain, Size: 2388 bytes --]
On Thu 2017-11-30 22:58:55, Jacek Anaszewski wrote:
> On 11/30/2017 10:40 AM, Pavel Machek wrote:
> > On Wed 2017-11-29 19:05:43, Bjorn Andersson wrote:
> >> The pointer returned by of_device_get_match_data() doesn't have the same
> >> size as u32 on 64-bit architectures, causing issues when compile testing
> >> the driver on such platform. Make ledtype unsigned long instead, to
> >> solve this problem.
> >>
> >> Fixes: 7f866986e705 ("leds: add PM8058 LEDs driver")
> >> Cc: Linus Walleij <linus.walleij@linaro.org>
> >> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> >
> > Ummm... no?
> >
> > extern const void *of_device_get_match_data(const struct device *dev);
> >
> >
> >> diff --git a/drivers/leds/leds-pm8058.c b/drivers/leds/leds-pm8058.c
> >> index a52674327857..cc2afe81720d 100644
> >> --- a/drivers/leds/leds-pm8058.c
> >> +++ b/drivers/leds/leds-pm8058.c
> >> @@ -29,7 +29,7 @@
> >> struct pm8058_led {
> >> struct regmap *map;
> >> u32 reg;
> >> - u32 ledtype;
> >> + unsigned long ledtype;
> >
> > Make it void *. u32 is buggy. unsigned long is merely ugly code. void
> > * is not nice, but certainly better than unsigned long.
>
> unsigned long is correct, see below:
>
> static const struct of_device_id pm8058_leds_id_table[] = {
> {
> .compatible = "qcom,pm8058-led",
> .data = (void *)PM8058_LED_TYPE_COMMON
> },
> {
> .compatible = "qcom,pm8058-keypad-led",
> .data = (void *)PM8058_LED_TYPE_KEYPAD
> },
> {
> .compatible = "qcom,pm8058-flash-led",
> .data = (void *)PM8058_LED_TYPE_FLASH
> },
> { },
> };
>
> of_device_get_match_data will return PM8058_LED_TYPE_*
> which clearly is a led type identifier.
>
> Thus unsigned long looks reasonable.
Hmm. Ok. So u32 would actually make even more sense there (because
PM8058_LED_TYPE_* does not really need to be 64-bit), but it would
cause a warning.
I don't like this. This fix actually makes code waste memory and is
uglier.
...but we get a warning fix. So I don't like the patch, but it is an
improvement...
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
[-- Attachment #2: Digital signature --]
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^ permalink raw reply [flat|nested] 37+ messages in thread
* Re: [PATCH] leds: pm8058: Make ledtype pointer sized type
2017-11-30 22:34 ` Pavel Machek
@ 2017-11-30 23:14 ` Stephen Rothwell
2017-12-01 0:28 ` Pavel Machek
0 siblings, 1 reply; 37+ messages in thread
From: Stephen Rothwell @ 2017-11-30 23:14 UTC (permalink / raw)
To: Pavel Machek
Cc: Jacek Anaszewski, Bjorn Andersson, Richard Purdie, linux-leds,
linux-kernel, Linus Walleij, Lee Jones, Linux-Next Mailing List
Hi Pavel,
On Thu, 30 Nov 2017 23:34:07 +0100 Pavel Machek <pavel@ucw.cz> wrote:
>
> On Thu 2017-11-30 22:58:55, Jacek Anaszewski wrote:
> > On 11/30/2017 10:40 AM, Pavel Machek wrote:
> > > On Wed 2017-11-29 19:05:43, Bjorn Andersson wrote:
> > >> The pointer returned by of_device_get_match_data() doesn't have the same
> > >> size as u32 on 64-bit architectures, causing issues when compile testing
> > >> the driver on such platform. Make ledtype unsigned long instead, to
> > >> solve this problem.
> > >>
> > >> Fixes: 7f866986e705 ("leds: add PM8058 LEDs driver")
> > >> Cc: Linus Walleij <linus.walleij@linaro.org>
> > >> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> > >
> > > Ummm... no?
> > >
> > > extern const void *of_device_get_match_data(const struct device *dev);
> > >
> > >
> > >> diff --git a/drivers/leds/leds-pm8058.c b/drivers/leds/leds-pm8058.c
> > >> index a52674327857..cc2afe81720d 100644
> > >> --- a/drivers/leds/leds-pm8058.c
> > >> +++ b/drivers/leds/leds-pm8058.c
> > >> @@ -29,7 +29,7 @@
> > >> struct pm8058_led {
> > >> struct regmap *map;
> > >> u32 reg;
> > >> - u32 ledtype;
> > >> + unsigned long ledtype;
> > >
> > > Make it void *. u32 is buggy. unsigned long is merely ugly code. void
> > > * is not nice, but certainly better than unsigned long.
> >
> > unsigned long is correct, see below:
> >
> > static const struct of_device_id pm8058_leds_id_table[] = {
> > {
> > .compatible = "qcom,pm8058-led",
> > .data = (void *)PM8058_LED_TYPE_COMMON
> > },
> > {
> > .compatible = "qcom,pm8058-keypad-led",
> > .data = (void *)PM8058_LED_TYPE_KEYPAD
> > },
> > {
> > .compatible = "qcom,pm8058-flash-led",
> > .data = (void *)PM8058_LED_TYPE_FLASH
> > },
> > { },
> > };
> >
> > of_device_get_match_data will return PM8058_LED_TYPE_*
> > which clearly is a led type identifier.
> >
> > Thus unsigned long looks reasonable.
>
> Hmm. Ok. So u32 would actually make even more sense there (because
> PM8058_LED_TYPE_* does not really need to be 64-bit), but it would
> cause a warning.
>
> I don't like this. This fix actually makes code waste memory and is
> uglier.
>
> ...but we get a warning fix. So I don't like the patch, but it is an
> improvement...
I *think* you can get away with (u32)(unsigned long)ptr ...
--
Cheers,
Stephen Rothwell
^ permalink raw reply [flat|nested] 37+ messages in thread
* Re: [PATCH] leds: pm8058: Make ledtype pointer sized type
2017-11-30 23:14 ` Stephen Rothwell
@ 2017-12-01 0:28 ` Pavel Machek
2017-12-01 5:10 ` Bjorn Andersson
0 siblings, 1 reply; 37+ messages in thread
From: Pavel Machek @ 2017-12-01 0:28 UTC (permalink / raw)
To: Stephen Rothwell
Cc: Jacek Anaszewski, Bjorn Andersson, Richard Purdie, linux-leds,
linux-kernel, Linus Walleij, Lee Jones, Linux-Next Mailing List
[-- Attachment #1: Type: text/plain, Size: 828 bytes --]
Hi!
> > > of_device_get_match_data will return PM8058_LED_TYPE_*
> > > which clearly is a led type identifier.
> > >
> > > Thus unsigned long looks reasonable.
> >
> > Hmm. Ok. So u32 would actually make even more sense there (because
> > PM8058_LED_TYPE_* does not really need to be 64-bit), but it would
> > cause a warning.
> >
> > I don't like this. This fix actually makes code waste memory and is
> > uglier.
> >
> > ...but we get a warning fix. So I don't like the patch, but it is an
> > improvement...
>
> I *think* you can get away with (u32)(unsigned long)ptr ...
Yes, that should work. It would actually be my preferred solution.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 181 bytes --]
^ permalink raw reply [flat|nested] 37+ messages in thread
* Re: [PATCH] leds: pm8058: Make ledtype pointer sized type
2017-12-01 0:28 ` Pavel Machek
@ 2017-12-01 5:10 ` Bjorn Andersson
0 siblings, 0 replies; 37+ messages in thread
From: Bjorn Andersson @ 2017-12-01 5:10 UTC (permalink / raw)
To: Pavel Machek
Cc: Stephen Rothwell, Jacek Anaszewski, Richard Purdie, linux-leds,
linux-kernel, Linus Walleij, Lee Jones, Linux-Next Mailing List
On Thu 30 Nov 16:28 PST 2017, Pavel Machek wrote:
> Hi!
>
> > > > of_device_get_match_data will return PM8058_LED_TYPE_*
> > > > which clearly is a led type identifier.
> > > >
> > > > Thus unsigned long looks reasonable.
> > >
> > > Hmm. Ok. So u32 would actually make even more sense there (because
> > > PM8058_LED_TYPE_* does not really need to be 64-bit), but it would
> > > cause a warning.
> > >
> > > I don't like this. This fix actually makes code waste memory and is
> > > uglier.
> > >
> > > ...but we get a warning fix. So I don't like the patch, but it is an
> > > improvement...
> >
> > I *think* you can get away with (u32)(unsigned long)ptr ...
>
> Yes, that should work. It would actually be my preferred solution.
>
I'm fine with this suggestion, and it silence the warning. I will update
and resend the patch.
Regards,
Bjorn
^ permalink raw reply [flat|nested] 37+ messages in thread
* [PATCH v2] leds: pm8058: Silence pointer to integer size warning
2017-11-30 0:35 linux-next: build warning after merge of the mfd tree Stephen Rothwell
2017-11-30 3:05 ` [PATCH] leds: pm8058: Make ledtype pointer sized type Bjorn Andersson
2017-11-30 8:28 ` linux-next: build warning after merge of the mfd tree Lee Jones
@ 2017-12-01 5:16 ` Bjorn Andersson
2017-12-01 7:57 ` Lee Jones
` (2 more replies)
2 siblings, 3 replies; 37+ messages in thread
From: Bjorn Andersson @ 2017-12-01 5:16 UTC (permalink / raw)
To: Richard Purdie, Jacek Anaszewski, Pavel Machek
Cc: linux-leds, linux-kernel, Linus Walleij, Lee Jones,
Stephen Rothwell, Linux-Next Mailing List
The pointer returned by of_device_get_match_data() doesn't have the same
size as u32 on 64-bit architectures, causing a compile warning when
compile-testing the driver on such platform.
Cast the return value of of_device_get_match_data() to unsigned long and
then to u32 to silence this warning.
Cc: Linus Walleij <linus.walleij@linaro.org>
Fixes: 7f866986e705 ("leds: add PM8058 LEDs driver")
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
---
drivers/leds/leds-pm8058.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/leds/leds-pm8058.c b/drivers/leds/leds-pm8058.c
index a52674327857..8988ba3b2d65 100644
--- a/drivers/leds/leds-pm8058.c
+++ b/drivers/leds/leds-pm8058.c
@@ -106,7 +106,7 @@ static int pm8058_led_probe(struct platform_device *pdev)
if (!led)
return -ENOMEM;
- led->ledtype = (u32)of_device_get_match_data(&pdev->dev);
+ led->ledtype = (u32)(unsigned long)of_device_get_match_data(&pdev->dev);
map = dev_get_regmap(pdev->dev.parent, NULL);
if (!map) {
--
2.15.0
^ permalink raw reply related [flat|nested] 37+ messages in thread
* Re: [PATCH] leds: pm8058: Make ledtype pointer sized type
2017-11-30 22:02 ` Jacek Anaszewski
@ 2017-12-01 7:56 ` Lee Jones
2017-12-01 20:35 ` Jacek Anaszewski
0 siblings, 1 reply; 37+ messages in thread
From: Lee Jones @ 2017-12-01 7:56 UTC (permalink / raw)
To: Jacek Anaszewski
Cc: Bjorn Andersson, Richard Purdie, Pavel Machek, linux-leds,
linux-kernel, Linus Walleij, Stephen Rothwell,
Linux-Next Mailing List
On Thu, 30 Nov 2017, Jacek Anaszewski wrote:
> On 11/30/2017 09:31 AM, Lee Jones wrote:
> > On Thu, 30 Nov 2017, Lee Jones wrote:
> >
> >> On Wed, 29 Nov 2017, Bjorn Andersson wrote:
> >>
> >>> The pointer returned by of_device_get_match_data() doesn't have the same
> >>> size as u32 on 64-bit architectures, causing issues when compile testing
> >>> the driver on such platform. Make ledtype unsigned long instead, to
> >>> solve this problem.
> >>>
> >>> Fixes: 7f866986e705 ("leds: add PM8058 LEDs driver")
> >>> Cc: Linus Walleij <linus.walleij@linaro.org>
> >>> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> >>> ---
> >>> drivers/leds/leds-pm8058.c | 4 ++--
> >>> 1 file changed, 2 insertions(+), 2 deletions(-)
> >>
> >> Hi Bjorn,
> >>
> >> (Nice to see you) :)
> >>
> >> I'm going to apply this *before* Linus' fix.
> >>
> >> Applied, thanks.
> >
> > After I rx an Ack from Richard, Jacek or Pavel of course. :)
> >
> > Will send a pull-request.
>
> Huh? This is for LED subsystem AFAICS.
Right, hence why I said I'd sent out a pull-request.
The problem, however, arose due to a change in its parent driver's
Kconfig entry, which has been applied to the MFD tree. We need to
ensure this patch is applied *before* the other 'fix' to quash the
warning before it starts, so to speak.
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
^ permalink raw reply [flat|nested] 37+ messages in thread
* Re: [PATCH v2] leds: pm8058: Silence pointer to integer size warning
2017-12-01 5:16 ` [PATCH v2] leds: pm8058: Silence pointer to integer size warning Bjorn Andersson
@ 2017-12-01 7:57 ` Lee Jones
2017-12-01 8:36 ` Pavel Machek
2017-12-01 8:56 ` Lee Jones
2017-12-01 9:01 ` [GIT PULL] Immutable branch between MFD and LED due for the v4.16 merge window Lee Jones
2 siblings, 1 reply; 37+ messages in thread
From: Lee Jones @ 2017-12-01 7:57 UTC (permalink / raw)
To: Bjorn Andersson
Cc: Richard Purdie, Jacek Anaszewski, Pavel Machek, linux-leds,
linux-kernel, Linus Walleij, Stephen Rothwell,
Linux-Next Mailing List
On Thu, 30 Nov 2017, Bjorn Andersson wrote:
> The pointer returned by of_device_get_match_data() doesn't have the same
> size as u32 on 64-bit architectures, causing a compile warning when
> compile-testing the driver on such platform.
>
> Cast the return value of of_device_get_match_data() to unsigned long and
> then to u32 to silence this warning.
>
> Cc: Linus Walleij <linus.walleij@linaro.org>
> Fixes: 7f866986e705 ("leds: add PM8058 LEDs driver")
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> ---
> drivers/leds/leds-pm8058.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/leds/leds-pm8058.c b/drivers/leds/leds-pm8058.c
> index a52674327857..8988ba3b2d65 100644
> --- a/drivers/leds/leds-pm8058.c
> +++ b/drivers/leds/leds-pm8058.c
> @@ -106,7 +106,7 @@ static int pm8058_led_probe(struct platform_device *pdev)
> if (!led)
> return -ENOMEM;
>
> - led->ledtype = (u32)of_device_get_match_data(&pdev->dev);
> + led->ledtype = (u32)(unsigned long)of_device_get_match_data(&pdev->dev);
Wouldn't (u32)(void *) be even more correct?
... if the compiler will let you get away with it.
> map = dev_get_regmap(pdev->dev.parent, NULL);
> if (!map) {
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
^ permalink raw reply [flat|nested] 37+ messages in thread
* Re: [PATCH v2] leds: pm8058: Silence pointer to integer size warning
2017-12-01 7:57 ` Lee Jones
@ 2017-12-01 8:36 ` Pavel Machek
2017-12-01 8:56 ` Lee Jones
0 siblings, 1 reply; 37+ messages in thread
From: Pavel Machek @ 2017-12-01 8:36 UTC (permalink / raw)
To: Lee Jones
Cc: Bjorn Andersson, Richard Purdie, Jacek Anaszewski, linux-leds,
linux-kernel, Linus Walleij, Stephen Rothwell,
Linux-Next Mailing List
[-- Attachment #1: Type: text/plain, Size: 1495 bytes --]
On Fri 2017-12-01 07:57:15, Lee Jones wrote:
> On Thu, 30 Nov 2017, Bjorn Andersson wrote:
>
> > The pointer returned by of_device_get_match_data() doesn't have the same
> > size as u32 on 64-bit architectures, causing a compile warning when
> > compile-testing the driver on such platform.
> >
> > Cast the return value of of_device_get_match_data() to unsigned long and
> > then to u32 to silence this warning.
> >
> > Cc: Linus Walleij <linus.walleij@linaro.org>
> > Fixes: 7f866986e705 ("leds: add PM8058 LEDs driver")
> > Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Thanks!
Acked-by: Pavel Machek <pavel@ucw.cz>
> > diff --git a/drivers/leds/leds-pm8058.c b/drivers/leds/leds-pm8058.c
> > index a52674327857..8988ba3b2d65 100644
> > --- a/drivers/leds/leds-pm8058.c
> > +++ b/drivers/leds/leds-pm8058.c
> > @@ -106,7 +106,7 @@ static int pm8058_led_probe(struct platform_device *pdev)
> > if (!led)
> > return -ENOMEM;
> >
> > - led->ledtype = (u32)of_device_get_match_data(&pdev->dev);
> > + led->ledtype = (u32)(unsigned long)of_device_get_match_data(&pdev->dev);
>
> Wouldn't (u32)(void *) be even more correct?
>
> ... if the compiler will let you get away with it.
Afaict that would still produce the warning. of_device_get_match_data
already returns void *.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 181 bytes --]
^ permalink raw reply [flat|nested] 37+ messages in thread
* Re: [PATCH v2] leds: pm8058: Silence pointer to integer size warning
2017-12-01 8:36 ` Pavel Machek
@ 2017-12-01 8:56 ` Lee Jones
0 siblings, 0 replies; 37+ messages in thread
From: Lee Jones @ 2017-12-01 8:56 UTC (permalink / raw)
To: Pavel Machek
Cc: Bjorn Andersson, Richard Purdie, Jacek Anaszewski, linux-leds,
linux-kernel, Linus Walleij, Stephen Rothwell,
Linux-Next Mailing List
On Fri, 01 Dec 2017, Pavel Machek wrote:
> On Fri 2017-12-01 07:57:15, Lee Jones wrote:
> > On Thu, 30 Nov 2017, Bjorn Andersson wrote:
> > > - led->ledtype = (u32)of_device_get_match_data(&pdev->dev);
> > > + led->ledtype = (u32)(unsigned long)of_device_get_match_data(&pdev->dev);
> >
> > Wouldn't (u32)(void *) be even more correct?
> >
> > ... if the compiler will let you get away with it.
>
> Afaict that would still produce the warning. of_device_get_match_data
> already returns void *.
Just tested. It actually still suffers from the original error.
warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
^ permalink raw reply [flat|nested] 37+ messages in thread
* Re: [PATCH v2] leds: pm8058: Silence pointer to integer size warning
2017-12-01 5:16 ` [PATCH v2] leds: pm8058: Silence pointer to integer size warning Bjorn Andersson
2017-12-01 7:57 ` Lee Jones
@ 2017-12-01 8:56 ` Lee Jones
2017-12-01 9:01 ` [GIT PULL] Immutable branch between MFD and LED due for the v4.16 merge window Lee Jones
2 siblings, 0 replies; 37+ messages in thread
From: Lee Jones @ 2017-12-01 8:56 UTC (permalink / raw)
To: Bjorn Andersson
Cc: Richard Purdie, Jacek Anaszewski, Pavel Machek, linux-leds,
linux-kernel, Linus Walleij, Stephen Rothwell,
Linux-Next Mailing List
On Thu, 30 Nov 2017, Bjorn Andersson wrote:
> The pointer returned by of_device_get_match_data() doesn't have the same
> size as u32 on 64-bit architectures, causing a compile warning when
> compile-testing the driver on such platform.
>
> Cast the return value of of_device_get_match_data() to unsigned long and
> then to u32 to silence this warning.
>
> Cc: Linus Walleij <linus.walleij@linaro.org>
> Fixes: 7f866986e705 ("leds: add PM8058 LEDs driver")
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> ---
> drivers/leds/leds-pm8058.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Applied with Pavel's Ack thanks.
Will send out a pull-request shortly.
> diff --git a/drivers/leds/leds-pm8058.c b/drivers/leds/leds-pm8058.c
> index a52674327857..8988ba3b2d65 100644
> --- a/drivers/leds/leds-pm8058.c
> +++ b/drivers/leds/leds-pm8058.c
> @@ -106,7 +106,7 @@ static int pm8058_led_probe(struct platform_device *pdev)
> if (!led)
> return -ENOMEM;
>
> - led->ledtype = (u32)of_device_get_match_data(&pdev->dev);
> + led->ledtype = (u32)(unsigned long)of_device_get_match_data(&pdev->dev);
>
> map = dev_get_regmap(pdev->dev.parent, NULL);
> if (!map) {
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
^ permalink raw reply [flat|nested] 37+ messages in thread
* [GIT PULL] Immutable branch between MFD and LED due for the v4.16 merge window
2017-12-01 5:16 ` [PATCH v2] leds: pm8058: Silence pointer to integer size warning Bjorn Andersson
2017-12-01 7:57 ` Lee Jones
2017-12-01 8:56 ` Lee Jones
@ 2017-12-01 9:01 ` Lee Jones
2 siblings, 0 replies; 37+ messages in thread
From: Lee Jones @ 2017-12-01 9:01 UTC (permalink / raw)
To: Bjorn Andersson
Cc: Richard Purdie, Jacek Anaszewski, Pavel Machek, linux-leds,
linux-kernel, Linus Walleij, Stephen Rothwell,
Linux-Next Mailing List
Enjoy!
The following changes since commit 4fbd8d194f06c8a3fd2af1ce560ddb31f7ec8323:
Linux 4.15-rc1 (2017-11-26 16:01:47 -0800)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git ib-mfd-leds-v4.16
for you to fetch changes up to 8f52df50d9366f770a894d14ef724e5e04574e98:
leds: pm8058: Silence pointer to integer size warning (2017-12-01 08:57:42 +0000)
----------------------------------------------------------------
Immutable branch between MFD and LED due for the v4.16 merge window
----------------------------------------------------------------
Bjorn Andersson (1):
leds: pm8058: Silence pointer to integer size warning
drivers/leds/leds-pm8058.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
^ permalink raw reply [flat|nested] 37+ messages in thread
* Re: [PATCH] leds: pm8058: Make ledtype pointer sized type
2017-12-01 7:56 ` Lee Jones
@ 2017-12-01 20:35 ` Jacek Anaszewski
0 siblings, 0 replies; 37+ messages in thread
From: Jacek Anaszewski @ 2017-12-01 20:35 UTC (permalink / raw)
To: Lee Jones
Cc: Bjorn Andersson, Richard Purdie, Pavel Machek, linux-leds,
linux-kernel, Linus Walleij, Stephen Rothwell,
Linux-Next Mailing List
On 12/01/2017 08:56 AM, Lee Jones wrote:
> On Thu, 30 Nov 2017, Jacek Anaszewski wrote:
>
>> On 11/30/2017 09:31 AM, Lee Jones wrote:
>>> On Thu, 30 Nov 2017, Lee Jones wrote:
>>>
>>>> On Wed, 29 Nov 2017, Bjorn Andersson wrote:
>>>>
>>>>> The pointer returned by of_device_get_match_data() doesn't have the same
>>>>> size as u32 on 64-bit architectures, causing issues when compile testing
>>>>> the driver on such platform. Make ledtype unsigned long instead, to
>>>>> solve this problem.
>>>>>
>>>>> Fixes: 7f866986e705 ("leds: add PM8058 LEDs driver")
>>>>> Cc: Linus Walleij <linus.walleij@linaro.org>
>>>>> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
>>>>> ---
>>>>> drivers/leds/leds-pm8058.c | 4 ++--
>>>>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>>>
>>>> Hi Bjorn,
>>>>
>>>> (Nice to see you) :)
>>>>
>>>> I'm going to apply this *before* Linus' fix.
>>>>
>>>> Applied, thanks.
>>>
>>> After I rx an Ack from Richard, Jacek or Pavel of course. :)
>>>
>>> Will send a pull-request.
>>
>> Huh? This is for LED subsystem AFAICS.
>
> Right, hence why I said I'd sent out a pull-request.
>
> The problem, however, arose due to a change in its parent driver's
> Kconfig entry, which has been applied to the MFD tree. We need to
> ensure this patch is applied *before* the other 'fix' to quash the
> warning before it starts, so to speak.
Ah, I hadn't seen the MFD patch and understood that you was
talking about pull request for 4.15-rc2, which looked a bit
strange out of context.
For v2:
Acked-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
--
Best regards,
Jacek Anaszewski
^ permalink raw reply [flat|nested] 37+ messages in thread
* linux-next: build warning after merge of the mfd tree
@ 2020-07-07 2:44 Stephen Rothwell
0 siblings, 0 replies; 37+ messages in thread
From: Stephen Rothwell @ 2020-07-07 2:44 UTC (permalink / raw)
To: Lee Jones; +Cc: Linux Next Mailing List, Linux Kernel Mailing List
[-- Attachment #1: Type: text/plain, Size: 415 bytes --]
Hi all,
After merging the mfd tree, today's linux-next build (arm
multi_v7_defconfig) produced this warning:
drivers/mfd/axp20x-i2c.c:82:5: warning: "CONFIG_ACPI" is not defined, evaluates to 0 [-Wundef]
82 | #if CONFIG_ACPI
| ^~~~~~~~~~~
Introduced by commit
20f359cb236b ("mfd: axp20x-i2c: Do not define 'struct acpi_device_id' when !CONFIG_ACPI")
--
Cheers,
Stephen Rothwell
[-- Attachment #2: OpenPGP digital signature --]
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^ permalink raw reply [flat|nested] 37+ messages in thread
* Re: linux-next: build warning after merge of the mfd tree
2019-07-02 8:49 ` Stephen Rothwell
@ 2019-07-02 11:09 ` Lee Jones
0 siblings, 0 replies; 37+ messages in thread
From: Lee Jones @ 2019-07-02 11:09 UTC (permalink / raw)
To: Stephen Rothwell
Cc: Keerthy, Linux Next Mailing List, Linux Kernel Mailing List,
gustavo, keescook
On Tue, 02 Jul 2019, Stephen Rothwell wrote:
> Hi all,
>
> On Thu, 27 Jun 2019 11:29:18 +0530 Keerthy <j-keerthy@ti.com> wrote:
> >
> > On 27/06/19 10:41 AM, Stephen Rothwell wrote:
> > > Hi Lee,
> > >
> > > After merging the mfd tree, today's linux-next build (x86_64 allmodconfig)
> > > produced this warning:
> > >
> > > drivers/regulator/lp87565-regulator.c: In function 'lp87565_regulator_probe':
> > > drivers/regulator/lp87565-regulator.c:182:11: warning: this statement may fall through [-Wimplicit-fallthrough=]
> > > max_idx = LP87565_BUCK_3210;
> >
> > Missed adding a break here. Can i send a patch on top of linux-next?
> >
> > > ~~~~~~~~^~~~~~~~~~~~~~~~~~~
> > > drivers/regulator/lp87565-regulator.c:183:2: note: here
> > > default:
> > > ^~~~~~~
> > >
> > > Introduced by commit
> > >
> > > 7ee63bd74750 ("regulator: lp87565: Add 4-phase lp87561 regulator support")
> > >
> > > I get these warnings because I am building with -Wimplicit-fallthrough
> > > in attempt to catch new additions early. The gcc warning can be turned
> > > off by adding a /* fall through */ comment at the point the fall through
> > > happens (assuming that the fall through is intentional).
> > >
>
> I am still seeing this warning ...
Just pushed the fix for this.
Thank you Stephen.
--
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
^ permalink raw reply [flat|nested] 37+ messages in thread
* Re: linux-next: build warning after merge of the mfd tree
2019-06-27 5:59 ` Keerthy
@ 2019-07-02 8:49 ` Stephen Rothwell
2019-07-02 11:09 ` Lee Jones
0 siblings, 1 reply; 37+ messages in thread
From: Stephen Rothwell @ 2019-07-02 8:49 UTC (permalink / raw)
To: Keerthy
Cc: Lee Jones, Linux Next Mailing List, Linux Kernel Mailing List,
gustavo, keescook
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Hi all,
On Thu, 27 Jun 2019 11:29:18 +0530 Keerthy <j-keerthy@ti.com> wrote:
>
> On 27/06/19 10:41 AM, Stephen Rothwell wrote:
> > Hi Lee,
> >
> > After merging the mfd tree, today's linux-next build (x86_64 allmodconfig)
> > produced this warning:
> >
> > drivers/regulator/lp87565-regulator.c: In function 'lp87565_regulator_probe':
> > drivers/regulator/lp87565-regulator.c:182:11: warning: this statement may fall through [-Wimplicit-fallthrough=]
> > max_idx = LP87565_BUCK_3210;
>
> Missed adding a break here. Can i send a patch on top of linux-next?
>
> > ~~~~~~~~^~~~~~~~~~~~~~~~~~~
> > drivers/regulator/lp87565-regulator.c:183:2: note: here
> > default:
> > ^~~~~~~
> >
> > Introduced by commit
> >
> > 7ee63bd74750 ("regulator: lp87565: Add 4-phase lp87561 regulator support")
> >
> > I get these warnings because I am building with -Wimplicit-fallthrough
> > in attempt to catch new additions early. The gcc warning can be turned
> > off by adding a /* fall through */ comment at the point the fall through
> > happens (assuming that the fall through is intentional).
> >
I am still seeing this warning ...
--
Cheers,
Stephen Rothwell
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^ permalink raw reply [flat|nested] 37+ messages in thread
* Re: linux-next: build warning after merge of the mfd tree
[not found] <20190627151140.232a87e2@canb.auug.org.au>
@ 2019-06-27 5:59 ` Keerthy
2019-07-02 8:49 ` Stephen Rothwell
0 siblings, 1 reply; 37+ messages in thread
From: Keerthy @ 2019-06-27 5:59 UTC (permalink / raw)
To: Stephen Rothwell, Lee Jones
Cc: Linux Next Mailing List, Linux Kernel Mailing List, gustavo, keescook
On 27/06/19 10:41 AM, Stephen Rothwell wrote:
> Hi Lee,
>
> After merging the mfd tree, today's linux-next build (x86_64 allmodconfig)
> produced this warning:
>
> drivers/regulator/lp87565-regulator.c: In function 'lp87565_regulator_probe':
> drivers/regulator/lp87565-regulator.c:182:11: warning: this statement may fall through [-Wimplicit-fallthrough=]
> max_idx = LP87565_BUCK_3210;
Missed adding a break here. Can i send a patch on top of linux-next?
> ~~~~~~~~^~~~~~~~~~~~~~~~~~~
> drivers/regulator/lp87565-regulator.c:183:2: note: here
> default:
> ^~~~~~~
>
> Introduced by commit
>
> 7ee63bd74750 ("regulator: lp87565: Add 4-phase lp87561 regulator support")
>
> I get these warnings because I am building with -Wimplicit-fallthrough
> in attempt to catch new additions early. The gcc warning can be turned
> off by adding a /* fall through */ comment at the point the fall through
> happens (assuming that the fall through is intentional).
>
^ permalink raw reply [flat|nested] 37+ messages in thread
* Re: linux-next: build warning after merge of the mfd tree
2018-06-05 3:15 Stephen Rothwell
@ 2018-06-05 6:55 ` Lee Jones
0 siblings, 0 replies; 37+ messages in thread
From: Lee Jones @ 2018-06-05 6:55 UTC (permalink / raw)
To: Stephen Rothwell
Cc: Linux-Next Mailing List, Linux Kernel Mailing List, Gwendal Grignou
On Tue, 05 Jun 2018, Stephen Rothwell wrote:
> Hi Lee,
>
> After merging the mfd tree, today's linux-next build (x86_64 allmodconfig)
> produced this warning:
>
> drivers/mfd/cros_ec_dev.c:265:13: warning: '__remove' defined but not used [-Wunused-function]
> static void __remove(struct device *dev) { }
> ^~~~~~~~
>
> Introduced by commit
>
> 3aa2177e4787 ("mfd: cros_ec: Use devm_kzalloc for private data")
Thanks Stephen. Will chase today.
--
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
^ permalink raw reply [flat|nested] 37+ messages in thread
* linux-next: build warning after merge of the mfd tree
@ 2018-06-05 3:15 Stephen Rothwell
2018-06-05 6:55 ` Lee Jones
0 siblings, 1 reply; 37+ messages in thread
From: Stephen Rothwell @ 2018-06-05 3:15 UTC (permalink / raw)
To: Lee Jones
Cc: Linux-Next Mailing List, Linux Kernel Mailing List, Gwendal Grignou
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Hi Lee,
After merging the mfd tree, today's linux-next build (x86_64 allmodconfig)
produced this warning:
drivers/mfd/cros_ec_dev.c:265:13: warning: '__remove' defined but not used [-Wunused-function]
static void __remove(struct device *dev) { }
^~~~~~~~
Introduced by commit
3aa2177e4787 ("mfd: cros_ec: Use devm_kzalloc for private data")
--
Cheers,
Stephen Rothwell
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^ permalink raw reply [flat|nested] 37+ messages in thread
* Re: linux-next: build warning after merge of the mfd tree
2017-01-25 4:54 Stephen Rothwell
@ 2017-01-25 8:13 ` Benjamin Gaignard
0 siblings, 0 replies; 37+ messages in thread
From: Benjamin Gaignard @ 2017-01-25 8:13 UTC (permalink / raw)
To: Stephen Rothwell; +Cc: Lee Jones, linux-next, Linux Kernel Mailing List
2017-01-25 5:54 GMT+01:00 Stephen Rothwell <sfr@canb.auug.org.au>:
> Hi Lee,
>
> After merging the mfd tree, today's linux-next build (powerpc
> allyesconfig) produced this warning:
>
> drivers/pwm/pwm-stm32.c: In function 'stm32_pwm_apply':
> drivers/pwm/pwm-stm32.c:204:33: warning: 'curstate.polarity' may be used uninitialized in this function [-Wmaybe-uninitialized]
> if (state->polarity != curstate.polarity)
> ^
>
I will send a patch to fix that today
Benjamin
> Introduced by commit
>
> bafffb6e7bd1 ("pwm: Add driver for STM32 plaftorm")
>
> --
> Cheers,
> Stephen Rothwell
--
Benjamin Gaignard
Graphic Study Group
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
^ permalink raw reply [flat|nested] 37+ messages in thread
* linux-next: build warning after merge of the mfd tree
@ 2017-01-25 4:54 Stephen Rothwell
2017-01-25 8:13 ` Benjamin Gaignard
0 siblings, 1 reply; 37+ messages in thread
From: Stephen Rothwell @ 2017-01-25 4:54 UTC (permalink / raw)
To: Lee Jones; +Cc: linux-next, linux-kernel, Benjamin Gaignard
Hi Lee,
After merging the mfd tree, today's linux-next build (powerpc
allyesconfig) produced this warning:
drivers/pwm/pwm-stm32.c: In function 'stm32_pwm_apply':
drivers/pwm/pwm-stm32.c:204:33: warning: 'curstate.polarity' may be used uninitialized in this function [-Wmaybe-uninitialized]
if (state->polarity != curstate.polarity)
^
Introduced by commit
bafffb6e7bd1 ("pwm: Add driver for STM32 plaftorm")
--
Cheers,
Stephen Rothwell
^ permalink raw reply [flat|nested] 37+ messages in thread
* Re: linux-next: build warning after merge of the mfd tree
2013-07-03 5:56 Stephen Rothwell
@ 2013-07-07 18:29 ` Sebastian Andrzej Siewior
0 siblings, 0 replies; 37+ messages in thread
From: Sebastian Andrzej Siewior @ 2013-07-07 18:29 UTC (permalink / raw)
To: Stephen Rothwell
Cc: Samuel Ortiz, linux-next, linux-kernel, Stephen Warren,
Linus Walleij, Grant Likely
On Wed, Jul 03, 2013 at 03:56:55PM +1000, Stephen Rothwell wrote:
> Hi Samuel,
Hi Stephen,
> Introduced by commit 18926edebcb8 ("iio: ti_am335x_adc: Allow to specify
> input line"). CONFIG_OF is not set in this build.
>
> Maybe someone could come up with a way to make these arguments to
> of_property_for_each_u32() etc look used in the !CONFIG_OF case.
Already posted:
https://lists.ozlabs.org/pipermail/devicetree-discuss/2013-June/035703.html
Sebastian
^ permalink raw reply [flat|nested] 37+ messages in thread
* linux-next: build warning after merge of the mfd tree
@ 2013-07-03 5:56 Stephen Rothwell
2013-07-07 18:29 ` Sebastian Andrzej Siewior
0 siblings, 1 reply; 37+ messages in thread
From: Stephen Rothwell @ 2013-07-03 5:56 UTC (permalink / raw)
To: Samuel Ortiz
Cc: linux-next, linux-kernel, Stephen Warren, Linus Walleij, Grant Likely
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Hi Samuel,
After merging the mfd tree, today's linux-next build (x86_64 allmodconfig)
produced these warnings:
drivers/mfd/ti_am335x_tscadc.c: In function 'ti_tscadc_probe':
drivers/mfd/ti_am335x_tscadc.c:95:27: warning: unused variable 'cur' [-Wunused-variable]
const __be32 *cur;
^
drivers/mfd/ti_am335x_tscadc.c:94:27: warning: unused variable 'prop' [-Wunused-variable]
struct property *prop;
^
Introduced by commit 18926edebcb8 ("iio: ti_am335x_adc: Allow to specify
input line"). CONFIG_OF is not set in this build.
Maybe someone could come up with a way to make these arguments to
of_property_for_each_u32() etc look used in the !CONFIG_OF case.
--
Cheers,
Stephen Rothwell sfr@canb.auug.org.au
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^ permalink raw reply [flat|nested] 37+ messages in thread
* linux-next: build warning after merge of the mfd tree
@ 2011-12-20 3:11 Stephen Rothwell
0 siblings, 0 replies; 37+ messages in thread
From: Stephen Rothwell @ 2011-12-20 3:11 UTC (permalink / raw)
To: Samuel Ortiz; +Cc: linux-next, linux-kernel, Viresh Kumar
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Hi Samuel,
After merging the mfd tree, today's linux-next build (x86_64_allmodconfig)
produced this warning:
drivers/mfd/stmpe.c:114:1: warning: data definition has no type or storage class [enabled by default]
drivers/mfd/stmpe.c:114:1: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL' [-Wimplicit-int]
(and several more similar).
Caused by commit b25a31a3b4d3 ("mfd: Separate out STMPE controller and
interface specific code"). This file needs to include <linux/export.h>
since module.h has been removed.
--
Cheers,
Stephen Rothwell sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/
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^ permalink raw reply [flat|nested] 37+ messages in thread
* Re: linux-next: build warning after merge of the mfd tree
2010-11-29 0:52 Stephen Rothwell
@ 2010-11-30 10:02 ` Samuel Ortiz
0 siblings, 0 replies; 37+ messages in thread
From: Samuel Ortiz @ 2010-11-30 10:02 UTC (permalink / raw)
To: Stephen Rothwell; +Cc: linux-next, linux-kernel, Andres Salomon
Hi Stephen,
On Mon, Nov 29, 2010 at 11:52:57AM +1100, Stephen Rothwell wrote:
> Hi Samuel,
>
> After merging the mfd tree, today's linux-next build (x86_64
> allmodconfig) produced this warning:
>
> drivers/mfd/cs5535-mfd.c: In function 'cs5535_mfd_probe':
> drivers/mfd/cs5535-mfd.c:106: warning: format '%d' expects type 'int', but argument 3 has type 'long unsigned int'
>
> Introduced by commit a0d4503a044e67ac46adfe8f42eddefd2b60f85e ("mfd: Add
> cs5535-mfd driver for AMD Geode's CS5535/CS5536 support").
That should be fixed by now, thanks for the report.
Cheers,
Samuel.
--
Intel Open Source Technology Centre
http://oss.intel.com/
^ permalink raw reply [flat|nested] 37+ messages in thread
* linux-next: build warning after merge of the mfd tree
@ 2010-11-29 0:52 Stephen Rothwell
2010-11-30 10:02 ` Samuel Ortiz
0 siblings, 1 reply; 37+ messages in thread
From: Stephen Rothwell @ 2010-11-29 0:52 UTC (permalink / raw)
To: Samuel Ortiz; +Cc: linux-next, linux-kernel, Andres Salomon
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Hi Samuel,
After merging the mfd tree, today's linux-next build (x86_64
allmodconfig) produced this warning:
drivers/mfd/cs5535-mfd.c: In function 'cs5535_mfd_probe':
drivers/mfd/cs5535-mfd.c:106: warning: format '%d' expects type 'int', but argument 3 has type 'long unsigned int'
Introduced by commit a0d4503a044e67ac46adfe8f42eddefd2b60f85e ("mfd: Add
cs5535-mfd driver for AMD Geode's CS5535/CS5536 support").
--
Cheers,
Stephen Rothwell sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/
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^ permalink raw reply [flat|nested] 37+ messages in thread
* linux-next: build warning after merge of the mfd tree
@ 2010-03-03 5:22 Stephen Rothwell
0 siblings, 0 replies; 37+ messages in thread
From: Stephen Rothwell @ 2010-03-03 5:22 UTC (permalink / raw)
To: Samuel Ortiz; +Cc: linux-next, linux-kernel, Denis Turischev
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Hi Sam,
After merging the mfd tree, today's linux-next build (x86_64 allmodconfig)
produced these warnings:
drivers/gpio/sch_gpio.c: In function 'sch_gpio_probe':
drivers/gpio/sch_gpio.c:232: warning: ignoring return value of 'gpiochip_remove', declared with attribute warn_unused_result
drivers/gpio/sch_gpio.c: In function 'sch_gpio_remove':
drivers/gpio/sch_gpio.c:245: warning: ignoring return value of 'gpiochip_remove', declared with attribute warn_unused_result
drivers/gpio/sch_gpio.c:246: warning: ignoring return value of 'gpiochip_remove', declared with attribute warn_unused_result
Introduced by commit 4faabcde03a89836169f1437127226f4b0714070 ("gpio: add
Intel SCH GPIO controller driver").
--
Cheers,
Stephen Rothwell sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/
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^ permalink raw reply [flat|nested] 37+ messages in thread
end of thread, other threads:[~2020-07-07 2:44 UTC | newest]
Thread overview: 37+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-11-30 0:35 linux-next: build warning after merge of the mfd tree Stephen Rothwell
2017-11-30 3:05 ` [PATCH] leds: pm8058: Make ledtype pointer sized type Bjorn Andersson
2017-11-30 8:29 ` Lee Jones
2017-11-30 8:31 ` Lee Jones
2017-11-30 22:02 ` Jacek Anaszewski
2017-12-01 7:56 ` Lee Jones
2017-12-01 20:35 ` Jacek Anaszewski
2017-11-30 9:18 ` Linus Walleij
2017-11-30 9:41 ` Lee Jones
2017-11-30 9:40 ` Pavel Machek
2017-11-30 21:58 ` Jacek Anaszewski
2017-11-30 22:34 ` Pavel Machek
2017-11-30 23:14 ` Stephen Rothwell
2017-12-01 0:28 ` Pavel Machek
2017-12-01 5:10 ` Bjorn Andersson
2017-11-30 22:18 ` Bjorn Andersson
2017-11-30 8:28 ` linux-next: build warning after merge of the mfd tree Lee Jones
2017-12-01 5:16 ` [PATCH v2] leds: pm8058: Silence pointer to integer size warning Bjorn Andersson
2017-12-01 7:57 ` Lee Jones
2017-12-01 8:36 ` Pavel Machek
2017-12-01 8:56 ` Lee Jones
2017-12-01 8:56 ` Lee Jones
2017-12-01 9:01 ` [GIT PULL] Immutable branch between MFD and LED due for the v4.16 merge window Lee Jones
-- strict thread matches above, loose matches on Subject: below --
2020-07-07 2:44 linux-next: build warning after merge of the mfd tree Stephen Rothwell
[not found] <20190627151140.232a87e2@canb.auug.org.au>
2019-06-27 5:59 ` Keerthy
2019-07-02 8:49 ` Stephen Rothwell
2019-07-02 11:09 ` Lee Jones
2018-06-05 3:15 Stephen Rothwell
2018-06-05 6:55 ` Lee Jones
2017-01-25 4:54 Stephen Rothwell
2017-01-25 8:13 ` Benjamin Gaignard
2013-07-03 5:56 Stephen Rothwell
2013-07-07 18:29 ` Sebastian Andrzej Siewior
2011-12-20 3:11 Stephen Rothwell
2010-11-29 0:52 Stephen Rothwell
2010-11-30 10:02 ` Samuel Ortiz
2010-03-03 5:22 Stephen Rothwell
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