linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] cpufreq: qcom-kryo: Silently error out on EPROBE_DEFER
@ 2018-07-17 20:48 Niklas Cassel
  2018-07-18  4:44 ` Viresh Kumar
  2018-07-18 10:21 ` Amit Kucheria
  0 siblings, 2 replies; 4+ messages in thread
From: Niklas Cassel @ 2018-07-17 20:48 UTC (permalink / raw)
  To: Ilia Lin, Rafael J. Wysocki, Viresh Kumar
  Cc: linux-arm-msm, Niklas Cassel, linux-pm, linux-kernel

If of_nvmem_cell_get() fails due to probe deferal, we shouldn't print an
error message. Just be silent in this case.

Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
---
 drivers/cpufreq/qcom-cpufreq-kryo.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/cpufreq/qcom-cpufreq-kryo.c b/drivers/cpufreq/qcom-cpufreq-kryo.c
index 29389accf3e9..b8d1e6875f16 100644
--- a/drivers/cpufreq/qcom-cpufreq-kryo.c
+++ b/drivers/cpufreq/qcom-cpufreq-kryo.c
@@ -109,8 +109,9 @@ static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
 	speedbin_nvmem = of_nvmem_cell_get(np, NULL);
 	of_node_put(np);
 	if (IS_ERR(speedbin_nvmem)) {
-		dev_err(cpu_dev, "Could not get nvmem cell: %ld\n",
-			PTR_ERR(speedbin_nvmem));
+		if (PTR_ERR(speedbin_nvmem) != -EPROBE_DEFER)
+			dev_err(cpu_dev, "Could not get nvmem cell: %ld\n",
+				PTR_ERR(speedbin_nvmem));
 		return PTR_ERR(speedbin_nvmem);
 	}
 
-- 
2.17.1


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

* Re: [PATCH] cpufreq: qcom-kryo: Silently error out on EPROBE_DEFER
  2018-07-17 20:48 [PATCH] cpufreq: qcom-kryo: Silently error out on EPROBE_DEFER Niklas Cassel
@ 2018-07-18  4:44 ` Viresh Kumar
  2018-07-19 10:45   ` Rafael J. Wysocki
  2018-07-18 10:21 ` Amit Kucheria
  1 sibling, 1 reply; 4+ messages in thread
From: Viresh Kumar @ 2018-07-18  4:44 UTC (permalink / raw)
  To: Niklas Cassel
  Cc: Ilia Lin, Rafael J. Wysocki, linux-arm-msm, linux-pm, linux-kernel

On 17-07-18, 22:48, Niklas Cassel wrote:
> If of_nvmem_cell_get() fails due to probe deferal, we shouldn't print an
> error message. Just be silent in this case.
> 
> Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
> ---
>  drivers/cpufreq/qcom-cpufreq-kryo.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/cpufreq/qcom-cpufreq-kryo.c b/drivers/cpufreq/qcom-cpufreq-kryo.c
> index 29389accf3e9..b8d1e6875f16 100644
> --- a/drivers/cpufreq/qcom-cpufreq-kryo.c
> +++ b/drivers/cpufreq/qcom-cpufreq-kryo.c
> @@ -109,8 +109,9 @@ static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
>  	speedbin_nvmem = of_nvmem_cell_get(np, NULL);
>  	of_node_put(np);
>  	if (IS_ERR(speedbin_nvmem)) {
> -		dev_err(cpu_dev, "Could not get nvmem cell: %ld\n",
> -			PTR_ERR(speedbin_nvmem));
> +		if (PTR_ERR(speedbin_nvmem) != -EPROBE_DEFER)
> +			dev_err(cpu_dev, "Could not get nvmem cell: %ld\n",
> +				PTR_ERR(speedbin_nvmem));
>  		return PTR_ERR(speedbin_nvmem);
>  	}

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>

-- 
viresh

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

* Re: [PATCH] cpufreq: qcom-kryo: Silently error out on EPROBE_DEFER
  2018-07-17 20:48 [PATCH] cpufreq: qcom-kryo: Silently error out on EPROBE_DEFER Niklas Cassel
  2018-07-18  4:44 ` Viresh Kumar
@ 2018-07-18 10:21 ` Amit Kucheria
  1 sibling, 0 replies; 4+ messages in thread
From: Amit Kucheria @ 2018-07-18 10:21 UTC (permalink / raw)
  To: Niklas Cassel
  Cc: Ilia Lin, Rafael J. Wysocki, Viresh Kumar, linux-arm-msm,
	Linux PM list, LKML

On Wed, Jul 18, 2018 at 2:18 AM, Niklas Cassel <niklas.cassel@linaro.org> wrote:
> If of_nvmem_cell_get() fails due to probe deferal, we shouldn't print an
> error message. Just be silent in this case.
>
> Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>

Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>

> ---
>  drivers/cpufreq/qcom-cpufreq-kryo.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/cpufreq/qcom-cpufreq-kryo.c b/drivers/cpufreq/qcom-cpufreq-kryo.c
> index 29389accf3e9..b8d1e6875f16 100644
> --- a/drivers/cpufreq/qcom-cpufreq-kryo.c
> +++ b/drivers/cpufreq/qcom-cpufreq-kryo.c
> @@ -109,8 +109,9 @@ static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
>         speedbin_nvmem = of_nvmem_cell_get(np, NULL);
>         of_node_put(np);
>         if (IS_ERR(speedbin_nvmem)) {
> -               dev_err(cpu_dev, "Could not get nvmem cell: %ld\n",
> -                       PTR_ERR(speedbin_nvmem));
> +               if (PTR_ERR(speedbin_nvmem) != -EPROBE_DEFER)
> +                       dev_err(cpu_dev, "Could not get nvmem cell: %ld\n",
> +                               PTR_ERR(speedbin_nvmem));
>                 return PTR_ERR(speedbin_nvmem);
>         }
>
> --
> 2.17.1
>

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

* Re: [PATCH] cpufreq: qcom-kryo: Silently error out on EPROBE_DEFER
  2018-07-18  4:44 ` Viresh Kumar
@ 2018-07-19 10:45   ` Rafael J. Wysocki
  0 siblings, 0 replies; 4+ messages in thread
From: Rafael J. Wysocki @ 2018-07-19 10:45 UTC (permalink / raw)
  To: Viresh Kumar, Niklas Cassel
  Cc: Ilia Lin, linux-arm-msm, linux-pm, linux-kernel

On Wednesday, July 18, 2018 6:44:22 AM CEST Viresh Kumar wrote:
> On 17-07-18, 22:48, Niklas Cassel wrote:
> > If of_nvmem_cell_get() fails due to probe deferal, we shouldn't print an
> > error message. Just be silent in this case.
> > 
> > Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
> > ---
> >  drivers/cpufreq/qcom-cpufreq-kryo.c | 5 +++--
> >  1 file changed, 3 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/cpufreq/qcom-cpufreq-kryo.c b/drivers/cpufreq/qcom-cpufreq-kryo.c
> > index 29389accf3e9..b8d1e6875f16 100644
> > --- a/drivers/cpufreq/qcom-cpufreq-kryo.c
> > +++ b/drivers/cpufreq/qcom-cpufreq-kryo.c
> > @@ -109,8 +109,9 @@ static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
> >  	speedbin_nvmem = of_nvmem_cell_get(np, NULL);
> >  	of_node_put(np);
> >  	if (IS_ERR(speedbin_nvmem)) {
> > -		dev_err(cpu_dev, "Could not get nvmem cell: %ld\n",
> > -			PTR_ERR(speedbin_nvmem));
> > +		if (PTR_ERR(speedbin_nvmem) != -EPROBE_DEFER)
> > +			dev_err(cpu_dev, "Could not get nvmem cell: %ld\n",
> > +				PTR_ERR(speedbin_nvmem));
> >  		return PTR_ERR(speedbin_nvmem);
> >  	}
> 
> Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
> 
> 

Applied, thanks!


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

end of thread, other threads:[~2018-07-19 10:47 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-07-17 20:48 [PATCH] cpufreq: qcom-kryo: Silently error out on EPROBE_DEFER Niklas Cassel
2018-07-18  4:44 ` Viresh Kumar
2018-07-19 10:45   ` Rafael J. Wysocki
2018-07-18 10:21 ` Amit Kucheria

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).