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* [PATCH] i2c: i2c-cros-ec-tunnel: Fix slave device enumeration
@ 2019-11-21  9:06 Akshu Agrawal
  2019-11-25 15:32 ` Enric Balletbo i Serra
                   ` (3 more replies)
  0 siblings, 4 replies; 6+ messages in thread
From: Akshu Agrawal @ 2019-11-21  9:06 UTC (permalink / raw)
  Cc: akshu.agrawal, rrangel, Benson Leung, Enric Balletbo i Serra,
	Guenter Roeck, Wolfram Sang, Neil Armstrong, Chanwoo Choi,
	open list:I2C SUBSYSTEM HOST DRIVERS, open list

During adding of the adapter the slave device registration
use to fail as the acpi companion field was not populated.

Signed-off-by: Akshu Agrawal <akshu.agrawal@amd.com>
---
 drivers/i2c/busses/i2c-cros-ec-tunnel.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/i2c/busses/i2c-cros-ec-tunnel.c b/drivers/i2c/busses/i2c-cros-ec-tunnel.c
index c551aa96a2e3..aca8070393bd 100644
--- a/drivers/i2c/busses/i2c-cros-ec-tunnel.c
+++ b/drivers/i2c/busses/i2c-cros-ec-tunnel.c
@@ -273,6 +273,7 @@ static int ec_i2c_probe(struct platform_device *pdev)
 	bus->adap.dev.parent = &pdev->dev;
 	bus->adap.dev.of_node = np;
 	bus->adap.retries = I2C_MAX_RETRIES;
+	ACPI_COMPANION_SET(&bus->adap.dev, ACPI_COMPANION(&pdev->dev));
 
 	err = i2c_add_adapter(&bus->adap);
 	if (err)
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 6+ messages in thread

* Re: [PATCH] i2c: i2c-cros-ec-tunnel: Fix slave device enumeration
  2019-11-21  9:06 [PATCH] i2c: i2c-cros-ec-tunnel: Fix slave device enumeration Akshu Agrawal
@ 2019-11-25 15:32 ` Enric Balletbo i Serra
  2019-11-25 18:08   ` Raul Rangel
  2019-11-25 18:09 ` Raul Rangel
                   ` (2 subsequent siblings)
  3 siblings, 1 reply; 6+ messages in thread
From: Enric Balletbo i Serra @ 2019-11-25 15:32 UTC (permalink / raw)
  To: Akshu Agrawal
  Cc: rrangel, Benson Leung, Guenter Roeck, Wolfram Sang,
	Neil Armstrong, Chanwoo Choi,
	open list:I2C SUBSYSTEM HOST DRIVERS, open list

Hi Akshu,

On 21/11/19 10:06, Akshu Agrawal wrote:
> During adding of the adapter the slave device registration
> use to fail as the acpi companion field was not populated.
> 

I am wondering if this a fix that needs to picked on stable kernels? Which
chrome platform are you using?

Thanks,
 Enric

> Signed-off-by: Akshu Agrawal <akshu.agrawal@amd.com>
> ---
>  drivers/i2c/busses/i2c-cros-ec-tunnel.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/i2c/busses/i2c-cros-ec-tunnel.c b/drivers/i2c/busses/i2c-cros-ec-tunnel.c
> index c551aa96a2e3..aca8070393bd 100644
> --- a/drivers/i2c/busses/i2c-cros-ec-tunnel.c
> +++ b/drivers/i2c/busses/i2c-cros-ec-tunnel.c
> @@ -273,6 +273,7 @@ static int ec_i2c_probe(struct platform_device *pdev)
>  	bus->adap.dev.parent = &pdev->dev;
>  	bus->adap.dev.of_node = np;
>  	bus->adap.retries = I2C_MAX_RETRIES;
> +	ACPI_COMPANION_SET(&bus->adap.dev, ACPI_COMPANION(&pdev->dev));
>  
>  	err = i2c_add_adapter(&bus->adap);
>  	if (err)
> 

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] i2c: i2c-cros-ec-tunnel: Fix slave device enumeration
  2019-11-25 15:32 ` Enric Balletbo i Serra
@ 2019-11-25 18:08   ` Raul Rangel
  0 siblings, 0 replies; 6+ messages in thread
From: Raul Rangel @ 2019-11-25 18:08 UTC (permalink / raw)
  To: Enric Balletbo i Serra
  Cc: Akshu Agrawal, Benson Leung, Guenter Roeck, Wolfram Sang,
	Neil Armstrong, Chanwoo Choi,
	open list:I2C SUBSYSTEM HOST DRIVERS, open list

On Mon, Nov 25, 2019 at 8:32 AM Enric Balletbo i Serra
<enric.balletbo@collabora.com> wrote:
>
> Hi Akshu,
>
> On 21/11/19 10:06, Akshu Agrawal wrote:
> > During adding of the adapter the slave device registration
> > use to fail as the acpi companion field was not populated.
> >
>
> I am wondering if this a fix that needs to picked on stable kernels? Which
> chrome platform are you using?
>
It's a fixup of https://lore.kernel.org/patchwork/patch/1151436/ so
unless that patch has been ported to stable kernels, I wouldn't worry
about it.

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] i2c: i2c-cros-ec-tunnel: Fix slave device enumeration
  2019-11-21  9:06 [PATCH] i2c: i2c-cros-ec-tunnel: Fix slave device enumeration Akshu Agrawal
  2019-11-25 15:32 ` Enric Balletbo i Serra
@ 2019-11-25 18:09 ` Raul Rangel
  2019-11-26 10:23 ` Enric Balletbo i Serra
  2020-01-31  7:45 ` Wolfram Sang
  3 siblings, 0 replies; 6+ messages in thread
From: Raul Rangel @ 2019-11-25 18:09 UTC (permalink / raw)
  To: Akshu Agrawal
  Cc: Benson Leung, Enric Balletbo i Serra, Guenter Roeck,
	Wolfram Sang, Neil Armstrong, Chanwoo Choi,
	open list:I2C SUBSYSTEM HOST DRIVERS, open list

On Thu, Nov 21, 2019 at 2:06 AM Akshu Agrawal <akshu.agrawal@amd.com> wrote:
>
> During adding of the adapter the slave device registration
> use to fail as the acpi companion field was not populated.
>
> Signed-off-by: Akshu Agrawal <akshu.agrawal@amd.com>
> ---
>  drivers/i2c/busses/i2c-cros-ec-tunnel.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/i2c/busses/i2c-cros-ec-tunnel.c b/drivers/i2c/busses/i2c-cros-ec-tunnel.c
> index c551aa96a2e3..aca8070393bd 100644
> --- a/drivers/i2c/busses/i2c-cros-ec-tunnel.c
> +++ b/drivers/i2c/busses/i2c-cros-ec-tunnel.c
> @@ -273,6 +273,7 @@ static int ec_i2c_probe(struct platform_device *pdev)
>         bus->adap.dev.parent = &pdev->dev;
>         bus->adap.dev.of_node = np;
>         bus->adap.retries = I2C_MAX_RETRIES;
> +       ACPI_COMPANION_SET(&bus->adap.dev, ACPI_COMPANION(&pdev->dev));
>
>         err = i2c_add_adapter(&bus->adap);
>         if (err)
> --
> 2.17.1
>

Acked-by: Raul E Rangel <rrangel@chromium.org>

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] i2c: i2c-cros-ec-tunnel: Fix slave device enumeration
  2019-11-21  9:06 [PATCH] i2c: i2c-cros-ec-tunnel: Fix slave device enumeration Akshu Agrawal
  2019-11-25 15:32 ` Enric Balletbo i Serra
  2019-11-25 18:09 ` Raul Rangel
@ 2019-11-26 10:23 ` Enric Balletbo i Serra
  2020-01-31  7:45 ` Wolfram Sang
  3 siblings, 0 replies; 6+ messages in thread
From: Enric Balletbo i Serra @ 2019-11-26 10:23 UTC (permalink / raw)
  To: Akshu Agrawal
  Cc: rrangel, Benson Leung, Guenter Roeck, Wolfram Sang,
	Neil Armstrong, Chanwoo Choi,
	open list:I2C SUBSYSTEM HOST DRIVERS, open list

Hi,

On 21/11/19 10:06, Akshu Agrawal wrote:
> During adding of the adapter the slave device registration
> use to fail as the acpi companion field was not populated.
> 
> Signed-off-by: Akshu Agrawal <akshu.agrawal@amd.com>

Looks good to me.

Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>

> ---
>  drivers/i2c/busses/i2c-cros-ec-tunnel.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/i2c/busses/i2c-cros-ec-tunnel.c b/drivers/i2c/busses/i2c-cros-ec-tunnel.c
> index c551aa96a2e3..aca8070393bd 100644
> --- a/drivers/i2c/busses/i2c-cros-ec-tunnel.c
> +++ b/drivers/i2c/busses/i2c-cros-ec-tunnel.c
> @@ -273,6 +273,7 @@ static int ec_i2c_probe(struct platform_device *pdev)
>  	bus->adap.dev.parent = &pdev->dev;
>  	bus->adap.dev.of_node = np;
>  	bus->adap.retries = I2C_MAX_RETRIES;
> +	ACPI_COMPANION_SET(&bus->adap.dev, ACPI_COMPANION(&pdev->dev));
>  
>  	err = i2c_add_adapter(&bus->adap);
>  	if (err)
> 

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] i2c: i2c-cros-ec-tunnel: Fix slave device enumeration
  2019-11-21  9:06 [PATCH] i2c: i2c-cros-ec-tunnel: Fix slave device enumeration Akshu Agrawal
                   ` (2 preceding siblings ...)
  2019-11-26 10:23 ` Enric Balletbo i Serra
@ 2020-01-31  7:45 ` Wolfram Sang
  3 siblings, 0 replies; 6+ messages in thread
From: Wolfram Sang @ 2020-01-31  7:45 UTC (permalink / raw)
  To: Akshu Agrawal
  Cc: rrangel, Benson Leung, Enric Balletbo i Serra, Guenter Roeck,
	Neil Armstrong, Chanwoo Choi,
	open list:I2C SUBSYSTEM HOST DRIVERS, open list

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On Thu, Nov 21, 2019 at 02:36:17PM +0530, Akshu Agrawal wrote:
> During adding of the adapter the slave device registration
> use to fail as the acpi companion field was not populated.
> 
> Signed-off-by: Akshu Agrawal <akshu.agrawal@amd.com>

Applied to for-next (v5.6) with Fixes tag added, thanks!


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^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2020-01-31  7:45 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-11-21  9:06 [PATCH] i2c: i2c-cros-ec-tunnel: Fix slave device enumeration Akshu Agrawal
2019-11-25 15:32 ` Enric Balletbo i Serra
2019-11-25 18:08   ` Raul Rangel
2019-11-25 18:09 ` Raul Rangel
2019-11-26 10:23 ` Enric Balletbo i Serra
2020-01-31  7:45 ` Wolfram Sang

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