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* [PATCH 1/2] clk: imx: imx8: Fix an IS_ERR() vs NULL check in clk_imx_acm_attach_pm_domains()
@ 2023-10-02  7:01 Dan Carpenter
  2023-10-02  7:03 ` [PATCH 2/2] clk: imx: imx8: Fix error code in probe Dan Carpenter
                   ` (2 more replies)
  0 siblings, 3 replies; 5+ messages in thread
From: Dan Carpenter @ 2023-10-02  7:01 UTC (permalink / raw)
  To: Shengjiu Wang
  Cc: Abel Vesa, Peng Fan, Michael Turquette, Stephen Boyd, Shawn Guo,
	Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam,
	NXP Linux Team, linux-clk, linux-arm-kernel, kernel-janitors

The device_link_add() function returns NULL on error.  It doesn't return
error pointers.  Fix the check accordingly.

Fixes: d3a0946d7ac9 ("clk: imx: imx8: add audio clock mux driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
---
 drivers/clk/imx/clk-imx8-acm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/imx/clk-imx8-acm.c b/drivers/clk/imx/clk-imx8-acm.c
index 1e82f72b75c6..83019b986622 100644
--- a/drivers/clk/imx/clk-imx8-acm.c
+++ b/drivers/clk/imx/clk-imx8-acm.c
@@ -287,9 +287,9 @@ static int clk_imx_acm_attach_pm_domains(struct device *dev,
 							 DL_FLAG_STATELESS |
 							 DL_FLAG_PM_RUNTIME |
 							 DL_FLAG_RPM_ACTIVE);
-		if (IS_ERR(dev_pm->pd_dev_link[i])) {
+		if (!dev_pm->pd_dev_link[i]) {
 			dev_pm_domain_detach(dev_pm->pd_dev[i], false);
-			ret = PTR_ERR(dev_pm->pd_dev_link[i]);
+			ret = -EINVAL;
 			goto detach_pm;
 		}
 	}
-- 
2.39.2


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^ permalink raw reply related	[flat|nested] 5+ messages in thread

* [PATCH 2/2] clk: imx: imx8: Fix error code in probe
  2023-10-02  7:01 [PATCH 1/2] clk: imx: imx8: Fix an IS_ERR() vs NULL check in clk_imx_acm_attach_pm_domains() Dan Carpenter
@ 2023-10-02  7:03 ` Dan Carpenter
  2023-10-03  9:49   ` Peng Fan
  2023-10-03  9:49 ` [PATCH 1/2] clk: imx: imx8: Fix an IS_ERR() vs NULL check in clk_imx_acm_attach_pm_domains() Peng Fan
  2023-10-04  8:29 ` Abel Vesa
  2 siblings, 1 reply; 5+ messages in thread
From: Dan Carpenter @ 2023-10-02  7:03 UTC (permalink / raw)
  To: Shengjiu Wang
  Cc: Abel Vesa, Peng Fan, Michael Turquette, Stephen Boyd, Shawn Guo,
	Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam,
	NXP Linux Team, linux-clk, linux-arm-kernel, kernel-janitors

Preserve the error code from devm_clk_hw_register_mux_parent_data_table()
instead of returning success.

Fixes: d3a0946d7ac9 ("clk: imx: imx8: add audio clock mux driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
---
 drivers/clk/imx/clk-imx8-acm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/clk/imx/clk-imx8-acm.c b/drivers/clk/imx/clk-imx8-acm.c
index 83019b986622..550ceac45ff2 100644
--- a/drivers/clk/imx/clk-imx8-acm.c
+++ b/drivers/clk/imx/clk-imx8-acm.c
@@ -372,6 +372,7 @@ static int imx8_acm_clk_probe(struct platform_device *pdev)
 										0, NULL, NULL);
 		if (IS_ERR(hws[sels[i].clkid])) {
 			pm_runtime_disable(&pdev->dev);
+			ret = PTR_ERR(hws[sels[i].clkid]);
 			goto err_clk_register;
 		}
 	}
-- 
2.39.2


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^ permalink raw reply related	[flat|nested] 5+ messages in thread

* RE: [PATCH 2/2] clk: imx: imx8: Fix error code in probe
  2023-10-02  7:03 ` [PATCH 2/2] clk: imx: imx8: Fix error code in probe Dan Carpenter
@ 2023-10-03  9:49   ` Peng Fan
  0 siblings, 0 replies; 5+ messages in thread
From: Peng Fan @ 2023-10-03  9:49 UTC (permalink / raw)
  To: Dan Carpenter, S.J. Wang
  Cc: Abel Vesa, Michael Turquette, Stephen Boyd, Shawn Guo,
	Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam,
	dl-linux-imx, linux-clk@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	kernel-janitors@vger.kernel.org

> Subject: [PATCH 2/2] clk: imx: imx8: Fix error code in probe
> 
> Preserve the error code from devm_clk_hw_register_mux_parent_data_table()
> instead of returning success.
> 
> Fixes: d3a0946d7ac9 ("clk: imx: imx8: add audio clock mux driver")
> Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>

Reviewed-by: Peng Fan <peng.fan@nxp.com>
> ---
>  drivers/clk/imx/clk-imx8-acm.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/clk/imx/clk-imx8-acm.c b/drivers/clk/imx/clk-imx8-acm.c
> index 83019b986622..550ceac45ff2 100644
> --- a/drivers/clk/imx/clk-imx8-acm.c
> +++ b/drivers/clk/imx/clk-imx8-acm.c
> @@ -372,6 +372,7 @@ static int imx8_acm_clk_probe(struct
> platform_device *pdev)
> 
> 	0, NULL, NULL);
>  		if (IS_ERR(hws[sels[i].clkid])) {
>  			pm_runtime_disable(&pdev->dev);
> +			ret = PTR_ERR(hws[sels[i].clkid]);
>  			goto err_clk_register;
>  		}
>  	}
> --
> 2.39.2


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^ permalink raw reply	[flat|nested] 5+ messages in thread

* RE: [PATCH 1/2] clk: imx: imx8: Fix an IS_ERR() vs NULL check in clk_imx_acm_attach_pm_domains()
  2023-10-02  7:01 [PATCH 1/2] clk: imx: imx8: Fix an IS_ERR() vs NULL check in clk_imx_acm_attach_pm_domains() Dan Carpenter
  2023-10-02  7:03 ` [PATCH 2/2] clk: imx: imx8: Fix error code in probe Dan Carpenter
@ 2023-10-03  9:49 ` Peng Fan
  2023-10-04  8:29 ` Abel Vesa
  2 siblings, 0 replies; 5+ messages in thread
From: Peng Fan @ 2023-10-03  9:49 UTC (permalink / raw)
  To: Dan Carpenter, S.J. Wang
  Cc: Abel Vesa, Michael Turquette, Stephen Boyd, Shawn Guo,
	Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam,
	dl-linux-imx, linux-clk@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	kernel-janitors@vger.kernel.org

> Subject: [PATCH 1/2] clk: imx: imx8: Fix an IS_ERR() vs NULL check in
> clk_imx_acm_attach_pm_domains()
> 
> The device_link_add() function returns NULL on error.  It doesn't return error
> pointers.  Fix the check accordingly.
> 
> Fixes: d3a0946d7ac9 ("clk: imx: imx8: add audio clock mux driver")
> Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>

Reviewed-by: Peng Fan <peng.fan@nxp.com>
> ---
>  drivers/clk/imx/clk-imx8-acm.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/clk/imx/clk-imx8-acm.c b/drivers/clk/imx/clk-imx8-acm.c
> index 1e82f72b75c6..83019b986622 100644
> --- a/drivers/clk/imx/clk-imx8-acm.c
> +++ b/drivers/clk/imx/clk-imx8-acm.c
> @@ -287,9 +287,9 @@ static int clk_imx_acm_attach_pm_domains(struct
> device *dev,
> 
> DL_FLAG_STATELESS |
> 
> DL_FLAG_PM_RUNTIME |
> 
> DL_FLAG_RPM_ACTIVE);
> -		if (IS_ERR(dev_pm->pd_dev_link[i])) {
> +		if (!dev_pm->pd_dev_link[i]) {
>  			dev_pm_domain_detach(dev_pm->pd_dev[i], false);
> -			ret = PTR_ERR(dev_pm->pd_dev_link[i]);
> +			ret = -EINVAL;
>  			goto detach_pm;
>  		}
>  	}
> --
> 2.39.2


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^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH 1/2] clk: imx: imx8: Fix an IS_ERR() vs NULL check in clk_imx_acm_attach_pm_domains()
  2023-10-02  7:01 [PATCH 1/2] clk: imx: imx8: Fix an IS_ERR() vs NULL check in clk_imx_acm_attach_pm_domains() Dan Carpenter
  2023-10-02  7:03 ` [PATCH 2/2] clk: imx: imx8: Fix error code in probe Dan Carpenter
  2023-10-03  9:49 ` [PATCH 1/2] clk: imx: imx8: Fix an IS_ERR() vs NULL check in clk_imx_acm_attach_pm_domains() Peng Fan
@ 2023-10-04  8:29 ` Abel Vesa
  2 siblings, 0 replies; 5+ messages in thread
From: Abel Vesa @ 2023-10-04  8:29 UTC (permalink / raw)
  To: Dan Carpenter
  Cc: Shengjiu Wang, Abel Vesa, Peng Fan, Michael Turquette,
	Stephen Boyd, Shawn Guo, Sascha Hauer, Pengutronix Kernel Team,
	Fabio Estevam, NXP Linux Team, linux-clk, linux-arm-kernel,
	kernel-janitors

On 23-10-02 10:01:51, Dan Carpenter wrote:
> The device_link_add() function returns NULL on error.  It doesn't return
> error pointers.  Fix the check accordingly.
> 
> Fixes: d3a0946d7ac9 ("clk: imx: imx8: add audio clock mux driver")
> Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
> ---

LGTM.

Reviewed-by: Abel Vesa <abel.vesa@linaro.org>

However, this doesn't apply for some reason. Can you rebase and resend?

>  drivers/clk/imx/clk-imx8-acm.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/clk/imx/clk-imx8-acm.c b/drivers/clk/imx/clk-imx8-acm.c
> index 1e82f72b75c6..83019b986622 100644
> --- a/drivers/clk/imx/clk-imx8-acm.c
> +++ b/drivers/clk/imx/clk-imx8-acm.c
> @@ -287,9 +287,9 @@ static int clk_imx_acm_attach_pm_domains(struct device *dev,
>  							 DL_FLAG_STATELESS |
>  							 DL_FLAG_PM_RUNTIME |
>  							 DL_FLAG_RPM_ACTIVE);
> -		if (IS_ERR(dev_pm->pd_dev_link[i])) {
> +		if (!dev_pm->pd_dev_link[i]) {
>  			dev_pm_domain_detach(dev_pm->pd_dev[i], false);
> -			ret = PTR_ERR(dev_pm->pd_dev_link[i]);
> +			ret = -EINVAL;
>  			goto detach_pm;
>  		}
>  	}
> -- 
> 2.39.2
> 

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^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2023-10-04  8:30 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2023-10-02  7:01 [PATCH 1/2] clk: imx: imx8: Fix an IS_ERR() vs NULL check in clk_imx_acm_attach_pm_domains() Dan Carpenter
2023-10-02  7:03 ` [PATCH 2/2] clk: imx: imx8: Fix error code in probe Dan Carpenter
2023-10-03  9:49   ` Peng Fan
2023-10-03  9:49 ` [PATCH 1/2] clk: imx: imx8: Fix an IS_ERR() vs NULL check in clk_imx_acm_attach_pm_domains() Peng Fan
2023-10-04  8:29 ` Abel Vesa

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