linux-media.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [linuxtv-samsung:for-v3.16 45/81] drivers/media/dvb-frontends/si2168.c:47 si2168_cmd_execute() warn: add some parenthesis here?
@ 2014-05-05 19:02 Dan Carpenter
  2014-05-05 20:52 ` Antti Palosaari
  0 siblings, 1 reply; 4+ messages in thread
From: Dan Carpenter @ 2014-05-05 19:02 UTC (permalink / raw)
  To: kbuild, Antti Palosaari; +Cc: Mauro Carvalho Chehab, linux-media


tree:   git://linuxtv.org/snawrocki/samsung.git for-v3.16
head:   13b46c7a03adbcc347b77a13ed27066bc92d515c
commit: 192292403147877c7d5f737a3cc751ded397aef7 [45/81] [media] em28xx: add [2013:025f] PCTV tripleStick (292e)

drivers/media/dvb-frontends/si2168.c:47 si2168_cmd_execute() warn: add some parenthesis here?
drivers/media/dvb-frontends/si2168.c:47 si2168_cmd_execute() warn: maybe use && instead of &
drivers/media/tuners/si2157.c:44 si2157_cmd_execute() warn: add some parenthesis here?
drivers/media/tuners/si2157.c:44 si2157_cmd_execute() warn: maybe use && instead of &

git remote add linuxtv-samsung git://linuxtv.org/snawrocki/samsung.git
git remote update linuxtv-samsung
git checkout 192292403147877c7d5f737a3cc751ded397aef7
vim +47 drivers/media/dvb-frontends/si2168.c

845f3505 Antti Palosaari 2014-04-10  31  				goto err_mutex_unlock;
845f3505 Antti Palosaari 2014-04-10  32  			} else if (ret != cmd->rlen) {
845f3505 Antti Palosaari 2014-04-10  33  				ret = -EREMOTEIO;
845f3505 Antti Palosaari 2014-04-10  34  				goto err_mutex_unlock;
845f3505 Antti Palosaari 2014-04-10  35  			}
845f3505 Antti Palosaari 2014-04-10  36  
845f3505 Antti Palosaari 2014-04-10  37  			/* firmware ready? */
845f3505 Antti Palosaari 2014-04-10  38  			if ((cmd->args[0] >> 7) & 0x01)
845f3505 Antti Palosaari 2014-04-10  39  				break;
845f3505 Antti Palosaari 2014-04-10  40  		}
845f3505 Antti Palosaari 2014-04-10  41  
845f3505 Antti Palosaari 2014-04-10  42  		dev_dbg(&s->client->dev, "%s: cmd execution took %d ms\n",
845f3505 Antti Palosaari 2014-04-10  43  				__func__,
845f3505 Antti Palosaari 2014-04-10  44  				jiffies_to_msecs(jiffies) -
845f3505 Antti Palosaari 2014-04-10  45  				(jiffies_to_msecs(timeout) - TIMEOUT));
845f3505 Antti Palosaari 2014-04-10  46  
845f3505 Antti Palosaari 2014-04-10 @47  		if (!(cmd->args[0] >> 7) & 0x01) {

This should be:						if (!((md->args[0] >> 7) & 0x01)) {
Otherwise it is a precedence error where it does the negate before the
bitwise AND.

845f3505 Antti Palosaari 2014-04-10  48  			ret = -ETIMEDOUT;
845f3505 Antti Palosaari 2014-04-10  49  			goto err_mutex_unlock;
845f3505 Antti Palosaari 2014-04-10  50  		}
845f3505 Antti Palosaari 2014-04-10  51  	}
845f3505 Antti Palosaari 2014-04-10  52  
845f3505 Antti Palosaari 2014-04-10  53  	ret = 0;
845f3505 Antti Palosaari 2014-04-10  54  
845f3505 Antti Palosaari 2014-04-10  55  err_mutex_unlock:

---
0-DAY kernel build testing backend              Open Source Technology Center
http://lists.01.org/mailman/listinfo/kbuild                 Intel Corporation

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [linuxtv-samsung:for-v3.16 45/81] drivers/media/dvb-frontends/si2168.c:47 si2168_cmd_execute() warn: add some parenthesis here?
  2014-05-05 19:02 [linuxtv-samsung:for-v3.16 45/81] drivers/media/dvb-frontends/si2168.c:47 si2168_cmd_execute() warn: add some parenthesis here? Dan Carpenter
@ 2014-05-05 20:52 ` Antti Palosaari
  2014-05-20 12:01   ` Dan Carpenter
  0 siblings, 1 reply; 4+ messages in thread
From: Antti Palosaari @ 2014-05-05 20:52 UTC (permalink / raw)
  To: Dan Carpenter, kbuild; +Cc: Mauro Carvalho Chehab, linux-media

On 05.05.2014 22:02, Dan Carpenter wrote:
>
> tree:   git://linuxtv.org/snawrocki/samsung.git for-v3.16
> head:   13b46c7a03adbcc347b77a13ed27066bc92d515c
> commit: 192292403147877c7d5f737a3cc751ded397aef7 [45/81] [media] em28xx: add [2013:025f] PCTV tripleStick (292e)
>
> drivers/media/dvb-frontends/si2168.c:47 si2168_cmd_execute() warn: add some parenthesis here?
> drivers/media/dvb-frontends/si2168.c:47 si2168_cmd_execute() warn: maybe use && instead of &
> drivers/media/tuners/si2157.c:44 si2157_cmd_execute() warn: add some parenthesis here?
> drivers/media/tuners/si2157.c:44 si2157_cmd_execute() warn: maybe use && instead of &
>
> git remote add linuxtv-samsung git://linuxtv.org/snawrocki/samsung.git
> git remote update linuxtv-samsung
> git checkout 192292403147877c7d5f737a3cc751ded397aef7
> vim +47 drivers/media/dvb-frontends/si2168.c
>
> 845f3505 Antti Palosaari 2014-04-10  31  				goto err_mutex_unlock;
> 845f3505 Antti Palosaari 2014-04-10  32  			} else if (ret != cmd->rlen) {
> 845f3505 Antti Palosaari 2014-04-10  33  				ret = -EREMOTEIO;
> 845f3505 Antti Palosaari 2014-04-10  34  				goto err_mutex_unlock;
> 845f3505 Antti Palosaari 2014-04-10  35  			}
> 845f3505 Antti Palosaari 2014-04-10  36
> 845f3505 Antti Palosaari 2014-04-10  37  			/* firmware ready? */
> 845f3505 Antti Palosaari 2014-04-10  38  			if ((cmd->args[0] >> 7) & 0x01)
> 845f3505 Antti Palosaari 2014-04-10  39  				break;
> 845f3505 Antti Palosaari 2014-04-10  40  		}
> 845f3505 Antti Palosaari 2014-04-10  41
> 845f3505 Antti Palosaari 2014-04-10  42  		dev_dbg(&s->client->dev, "%s: cmd execution took %d ms\n",
> 845f3505 Antti Palosaari 2014-04-10  43  				__func__,
> 845f3505 Antti Palosaari 2014-04-10  44  				jiffies_to_msecs(jiffies) -
> 845f3505 Antti Palosaari 2014-04-10  45  				(jiffies_to_msecs(timeout) - TIMEOUT));
> 845f3505 Antti Palosaari 2014-04-10  46
> 845f3505 Antti Palosaari 2014-04-10 @47  		if (!(cmd->args[0] >> 7) & 0x01) {
>
> This should be:						if (!((md->args[0] >> 7) & 0x01)) {
> Otherwise it is a precedence error where it does the negate before the
> bitwise AND.

That was already on my TODO list as daily media build test sparse warned 
it already http://hverkuil.home.xs4all.nl/logs/Monday.log

I am waiting for media/master kernel upgrades from 3.15-rc1 as that 
kernel will hang whole machine when em28xx driver used (em28xx driver is 
USB bridge for those si2168 and si2157).

regards
Antti

-- 
http://palosaari.fi/

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [linuxtv-samsung:for-v3.16 45/81] drivers/media/dvb-frontends/si2168.c:47 si2168_cmd_execute() warn: add some parenthesis here?
  2014-05-05 20:52 ` Antti Palosaari
@ 2014-05-20 12:01   ` Dan Carpenter
  2014-05-20 15:10     ` Antti Palosaari
  0 siblings, 1 reply; 4+ messages in thread
From: Dan Carpenter @ 2014-05-20 12:01 UTC (permalink / raw)
  To: Antti Palosaari; +Cc: kbuild, Mauro Carvalho Chehab, linux-media

On Mon, May 05, 2014 at 11:52:46PM +0300, Antti Palosaari wrote:
> >845f3505 Antti Palosaari 2014-04-10  46
> >845f3505 Antti Palosaari 2014-04-10 @47  		if (!(cmd->args[0] >> 7) & 0x01) {
> >
> >This should be:						if (!((md->args[0] >> 7) & 0x01)) {
> >Otherwise it is a precedence error where it does the negate before the
> >bitwise AND.
> 
> That was already on my TODO list as daily media build test sparse
> warned it already http://hverkuil.home.xs4all.nl/logs/Monday.log
> 
> I am waiting for media/master kernel upgrades from 3.15-rc1 as that
> kernel will hang whole machine when em28xx driver used (em28xx
> driver is USB bridge for those si2168 and si2157).
> 

Wait, what?  This is a one liner.  I haven't understood the connection
with 3.15-rc1?

regards,
dan carpenter


^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [linuxtv-samsung:for-v3.16 45/81] drivers/media/dvb-frontends/si2168.c:47 si2168_cmd_execute() warn: add some parenthesis here?
  2014-05-20 12:01   ` Dan Carpenter
@ 2014-05-20 15:10     ` Antti Palosaari
  0 siblings, 0 replies; 4+ messages in thread
From: Antti Palosaari @ 2014-05-20 15:10 UTC (permalink / raw)
  To: Dan Carpenter; +Cc: kbuild, Mauro Carvalho Chehab, linux-media

On 05/20/2014 03:01 PM, Dan Carpenter wrote:
> On Mon, May 05, 2014 at 11:52:46PM +0300, Antti Palosaari wrote:
>>> 845f3505 Antti Palosaari 2014-04-10  46
>>> 845f3505 Antti Palosaari 2014-04-10 @47  		if (!(cmd->args[0] >> 7) & 0x01) {
>>>
>>> This should be:						if (!((md->args[0] >> 7) & 0x01)) {
>>> Otherwise it is a precedence error where it does the negate before the
>>> bitwise AND.
>>
>> That was already on my TODO list as daily media build test sparse
>> warned it already http://hverkuil.home.xs4all.nl/logs/Monday.log
>>
>> I am waiting for media/master kernel upgrades from 3.15-rc1 as that
>> kernel will hang whole machine when em28xx driver used (em28xx
>> driver is USB bridge for those si2168 and si2157).
>>
>
> Wait, what?  This is a one liner.  I haven't understood the connection
> with 3.15-rc1?

Current media master, which contains that brand new si2168 driver, is 
3.15-rc1. That device is implemented as a)
em28xx driver - USB interface + remote controller
si2168 driver - DVB-T/T2/C digital TV demodulator
si2157 driver - RF tuner

For some reason em28xx freezes whole machine when that 3.15-rc1 kernel 
is used. It is not only that device, but all the other em28xx devices 
too what I have.

Even it is simple one liner, I tend to test all my patches before pull 
requesting to media master tree. Sure, I can do it using linus latest 
tree and then rebase to media master & pull request, but it is all extra 
work.

regards
Antti

-- 
http://palosaari.fi/

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2014-05-20 15:10 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2014-05-05 19:02 [linuxtv-samsung:for-v3.16 45/81] drivers/media/dvb-frontends/si2168.c:47 si2168_cmd_execute() warn: add some parenthesis here? Dan Carpenter
2014-05-05 20:52 ` Antti Palosaari
2014-05-20 12:01   ` Dan Carpenter
2014-05-20 15:10     ` Antti Palosaari

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).