[v3,59/62] mmc: sdhci_am654: Properly handle failures in .remove()

Message ID 20230727070051.17778-59-frank.li@vivo.com
State New
Headers
Series [v3,01/62] mmc: sunxi: Convert to platform remove callback returning void |

Commit Message

李扬韬 July 27, 2023, 7 a.m. UTC
  Returning an error code in a platform driver's remove function is wrong
most of the time and there is an effort to make the callback return
void. To prepare this rework the function not to exit early.

Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Yangtao Li <frank.li@vivo.com>
---
 drivers/mmc/host/sdhci_am654.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)
  

Comments

Adrian Hunter July 27, 2023, 1:56 p.m. UTC | #1
On 27/07/23 10:00, Yangtao Li wrote:
> Returning an error code in a platform driver's remove function is wrong
> most of the time and there is an effort to make the callback return
> void. To prepare this rework the function not to exit early.
> 
> Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
> Signed-off-by: Yangtao Li <frank.li@vivo.com>

Acked-by: Adrian Hunter <adrian.hunter@intel.com>

> ---
>  drivers/mmc/host/sdhci_am654.c | 9 +++++----
>  1 file changed, 5 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/mmc/host/sdhci_am654.c b/drivers/mmc/host/sdhci_am654.c
> index 7cdf0f54e3a5..1cc84739ef2f 100644
> --- a/drivers/mmc/host/sdhci_am654.c
> +++ b/drivers/mmc/host/sdhci_am654.c
> @@ -870,16 +870,17 @@ static int sdhci_am654_remove(struct platform_device *pdev)
>  {
>  	struct sdhci_host *host = platform_get_drvdata(pdev);
>  	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
> +	struct device *dev = &pdev->dev;
>  	int ret;
>  
> -	ret = pm_runtime_resume_and_get(&pdev->dev);
> +	ret = pm_runtime_get_sync(dev);
>  	if (ret < 0)
> -		return ret;
> +		dev_err(dev, "pm_runtime_get_sync() Failed\n");
>  
>  	sdhci_remove_host(host, true);
>  	clk_disable_unprepare(pltfm_host->clk);
> -	pm_runtime_disable(&pdev->dev);
> -	pm_runtime_put_noidle(&pdev->dev);
> +	pm_runtime_disable(dev);
> +	pm_runtime_put_noidle(dev);
>  	sdhci_pltfm_free(pdev);
>  	return 0;
>  }
  

Patch

diff --git a/drivers/mmc/host/sdhci_am654.c b/drivers/mmc/host/sdhci_am654.c
index 7cdf0f54e3a5..1cc84739ef2f 100644
--- a/drivers/mmc/host/sdhci_am654.c
+++ b/drivers/mmc/host/sdhci_am654.c
@@ -870,16 +870,17 @@  static int sdhci_am654_remove(struct platform_device *pdev)
 {
 	struct sdhci_host *host = platform_get_drvdata(pdev);
 	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+	struct device *dev = &pdev->dev;
 	int ret;
 
-	ret = pm_runtime_resume_and_get(&pdev->dev);
+	ret = pm_runtime_get_sync(dev);
 	if (ret < 0)
-		return ret;
+		dev_err(dev, "pm_runtime_get_sync() Failed\n");
 
 	sdhci_remove_host(host, true);
 	clk_disable_unprepare(pltfm_host->clk);
-	pm_runtime_disable(&pdev->dev);
-	pm_runtime_put_noidle(&pdev->dev);
+	pm_runtime_disable(dev);
+	pm_runtime_put_noidle(dev);
 	sdhci_pltfm_free(pdev);
 	return 0;
 }