* [PATCH 1/1] watchdog: stm32_iwdg: don't print an error on probe deferral
@ 2020-11-06 9:46 Christophe Roullier
2020-11-06 9:47 ` [Linux-stm32] " Ahmad Fatoum
2020-11-06 13:06 ` Guenter Roeck
0 siblings, 2 replies; 3+ messages in thread
From: Christophe Roullier @ 2020-11-06 9:46 UTC (permalink / raw)
To: wim, linux, mcoquelin.stm32, alexandre.torgue
Cc: linux-watchdog, christophe.roullier, linux-kernel, linux-stm32,
linux-arm-kernel, Etienne Carriere
From: Etienne Carriere <etienne.carriere@st.com>
Do not print an error trace when deferring probe for clock resources.
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Signed-off-by: Christophe Roullier <christophe.roullier@st.com>
---
drivers/watchdog/stm32_iwdg.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/watchdog/stm32_iwdg.c b/drivers/watchdog/stm32_iwdg.c
index 25188d6bbe15..1b71c205cee0 100644
--- a/drivers/watchdog/stm32_iwdg.c
+++ b/drivers/watchdog/stm32_iwdg.c
@@ -163,7 +163,8 @@ static int stm32_iwdg_clk_init(struct platform_device *pdev,
wdt->clk_lsi = devm_clk_get(dev, "lsi");
if (IS_ERR(wdt->clk_lsi)) {
- dev_err(dev, "Unable to get lsi clock\n");
+ if (PTR_ERR(wdt->clk_lsi) != -EPROBE_DEFER)
+ dev_err(dev, "Unable to get lsi clock\n");
return PTR_ERR(wdt->clk_lsi);
}
@@ -171,7 +172,8 @@ static int stm32_iwdg_clk_init(struct platform_device *pdev,
if (wdt->data->has_pclk) {
wdt->clk_pclk = devm_clk_get(dev, "pclk");
if (IS_ERR(wdt->clk_pclk)) {
- dev_err(dev, "Unable to get pclk clock\n");
+ if (PTR_ERR(wdt->clk_pclk) != -EPROBE_DEFER)
+ dev_err(dev, "Unable to get pclk clock\n");
return PTR_ERR(wdt->clk_pclk);
}
--
2.17.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [Linux-stm32] [PATCH 1/1] watchdog: stm32_iwdg: don't print an error on probe deferral
2020-11-06 9:46 [PATCH 1/1] watchdog: stm32_iwdg: don't print an error on probe deferral Christophe Roullier
@ 2020-11-06 9:47 ` Ahmad Fatoum
2020-11-06 13:06 ` Guenter Roeck
1 sibling, 0 replies; 3+ messages in thread
From: Ahmad Fatoum @ 2020-11-06 9:47 UTC (permalink / raw)
To: Christophe Roullier, wim, linux, mcoquelin.stm32, alexandre.torgue
Cc: Etienne Carriere, linux-watchdog, linux-kernel, linux-stm32,
linux-arm-kernel
Hello Christophe,
On 11/6/20 10:46 AM, Christophe Roullier wrote:
> From: Etienne Carriere <etienne.carriere@st.com>
>
> Do not print an error trace when deferring probe for clock resources.
>
> Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
> Signed-off-by: Christophe Roullier <christophe.roullier@st.com>
> ---
> drivers/watchdog/stm32_iwdg.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/watchdog/stm32_iwdg.c b/drivers/watchdog/stm32_iwdg.c
> index 25188d6bbe15..1b71c205cee0 100644
> --- a/drivers/watchdog/stm32_iwdg.c
> +++ b/drivers/watchdog/stm32_iwdg.c
> @@ -163,7 +163,8 @@ static int stm32_iwdg_clk_init(struct platform_device *pdev,
>
> wdt->clk_lsi = devm_clk_get(dev, "lsi");
> if (IS_ERR(wdt->clk_lsi)) {
> - dev_err(dev, "Unable to get lsi clock\n");
> + if (PTR_ERR(wdt->clk_lsi) != -EPROBE_DEFER)
> + dev_err(dev, "Unable to get lsi clock\n");
Can you use dev_err_probe instead?
Cheers,
Ahmad
> return PTR_ERR(wdt->clk_lsi);
> }
>
> @@ -171,7 +172,8 @@ static int stm32_iwdg_clk_init(struct platform_device *pdev,
> if (wdt->data->has_pclk) {
> wdt->clk_pclk = devm_clk_get(dev, "pclk");
> if (IS_ERR(wdt->clk_pclk)) {
> - dev_err(dev, "Unable to get pclk clock\n");
> + if (PTR_ERR(wdt->clk_pclk) != -EPROBE_DEFER)
> + dev_err(dev, "Unable to get pclk clock\n");
> return PTR_ERR(wdt->clk_pclk);
> }
>
>
--
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH 1/1] watchdog: stm32_iwdg: don't print an error on probe deferral
2020-11-06 9:46 [PATCH 1/1] watchdog: stm32_iwdg: don't print an error on probe deferral Christophe Roullier
2020-11-06 9:47 ` [Linux-stm32] " Ahmad Fatoum
@ 2020-11-06 13:06 ` Guenter Roeck
1 sibling, 0 replies; 3+ messages in thread
From: Guenter Roeck @ 2020-11-06 13:06 UTC (permalink / raw)
To: Christophe Roullier
Cc: wim, mcoquelin.stm32, alexandre.torgue, linux-watchdog,
linux-kernel, linux-stm32, linux-arm-kernel, Etienne Carriere
On Fri, Nov 06, 2020 at 10:46:27AM +0100, Christophe Roullier wrote:
> From: Etienne Carriere <etienne.carriere@st.com>
>
> Do not print an error trace when deferring probe for clock resources.
>
> Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
> Signed-off-by: Christophe Roullier <christophe.roullier@st.com>
> ---
> drivers/watchdog/stm32_iwdg.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/watchdog/stm32_iwdg.c b/drivers/watchdog/stm32_iwdg.c
> index 25188d6bbe15..1b71c205cee0 100644
> --- a/drivers/watchdog/stm32_iwdg.c
> +++ b/drivers/watchdog/stm32_iwdg.c
> @@ -163,7 +163,8 @@ static int stm32_iwdg_clk_init(struct platform_device *pdev,
>
> wdt->clk_lsi = devm_clk_get(dev, "lsi");
> if (IS_ERR(wdt->clk_lsi)) {
> - dev_err(dev, "Unable to get lsi clock\n");
> + if (PTR_ERR(wdt->clk_lsi) != -EPROBE_DEFER)
> + dev_err(dev, "Unable to get lsi clock\n");
> return PTR_ERR(wdt->clk_lsi);
I would suggest to use
return dev_err_probe(dev, PTR_ERR(wdt->clk_lsi), "Unable to get lsi clock\n");
Guenter
> }
>
> @@ -171,7 +172,8 @@ static int stm32_iwdg_clk_init(struct platform_device *pdev,
> if (wdt->data->has_pclk) {
> wdt->clk_pclk = devm_clk_get(dev, "pclk");
> if (IS_ERR(wdt->clk_pclk)) {
> - dev_err(dev, "Unable to get pclk clock\n");
> + if (PTR_ERR(wdt->clk_pclk) != -EPROBE_DEFER)
> + dev_err(dev, "Unable to get pclk clock\n");
> return PTR_ERR(wdt->clk_pclk);
> }
>
> --
> 2.17.1
>
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2020-11-06 9:46 [PATCH 1/1] watchdog: stm32_iwdg: don't print an error on probe deferral Christophe Roullier
2020-11-06 9:47 ` [Linux-stm32] " Ahmad Fatoum
2020-11-06 13:06 ` Guenter Roeck
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