Re: [PATCH -next v2] mmc: remove unnecessary set_drvdata() function

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On Tue, 8 Aug 2023 at 14:19, Yang Yingliang <yangyingliang@xxxxxxxxxx> wrote:
>
> The driver data will be cleared in device_unbind_cleanup() in driver
> core code. So the set_drvdata(..., NULL) called in remove and error
> path in probe can be removed.
>
> Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>

Applied for next, thanks!

Kind regards
Uffe



> ---
> v1 -> v2:
>   Squash into one patch.
> ---
>  drivers/mmc/core/block.c       | 1 -
>  drivers/mmc/host/moxart-mmc.c  | 2 --
>  drivers/mmc/host/sunplus-mmc.c | 1 -
>  drivers/mmc/host/via-sdmmc.c   | 2 --
>  drivers/mmc/host/wbsd.c        | 2 --
>  5 files changed, 8 deletions(-)
>
> diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
> index f701efb1fa78..2d734b325287 100644
> --- a/drivers/mmc/core/block.c
> +++ b/drivers/mmc/core/block.c
> @@ -3025,7 +3025,6 @@ static void mmc_blk_remove(struct mmc_card *card)
>                 pm_runtime_disable(&card->dev);
>         pm_runtime_put_noidle(&card->dev);
>         mmc_blk_remove_req(md);
> -       dev_set_drvdata(&card->dev, NULL);
>         destroy_workqueue(card->complete_wq);
>  }
>
> diff --git a/drivers/mmc/host/moxart-mmc.c b/drivers/mmc/host/moxart-mmc.c
> index d0d6ffcf78d4..43c2a95bc29a 100644
> --- a/drivers/mmc/host/moxart-mmc.c
> +++ b/drivers/mmc/host/moxart-mmc.c
> @@ -692,8 +692,6 @@ static int moxart_remove(struct platform_device *pdev)
>         struct mmc_host *mmc = dev_get_drvdata(&pdev->dev);
>         struct moxart_host *host = mmc_priv(mmc);
>
> -       dev_set_drvdata(&pdev->dev, NULL);
> -
>         if (!IS_ERR_OR_NULL(host->dma_chan_tx))
>                 dma_release_channel(host->dma_chan_tx);
>         if (!IS_ERR_OR_NULL(host->dma_chan_rx))
> diff --git a/drivers/mmc/host/sunplus-mmc.c b/drivers/mmc/host/sunplus-mmc.c
> index a55a87f64d2a..e9f33976c94e 100644
> --- a/drivers/mmc/host/sunplus-mmc.c
> +++ b/drivers/mmc/host/sunplus-mmc.c
> @@ -955,7 +955,6 @@ static int spmmc_drv_remove(struct platform_device *dev)
>         clk_disable_unprepare(host->clk);
>         pm_runtime_put_noidle(&dev->dev);
>         pm_runtime_disable(&dev->dev);
> -       platform_set_drvdata(dev, NULL);
>         mmc_free_host(host->mmc);
>
>         return 0;
> diff --git a/drivers/mmc/host/via-sdmmc.c b/drivers/mmc/host/via-sdmmc.c
> index a2b0d9461665..ba6044b16e07 100644
> --- a/drivers/mmc/host/via-sdmmc.c
> +++ b/drivers/mmc/host/via-sdmmc.c
> @@ -1160,7 +1160,6 @@ static int via_sd_probe(struct pci_dev *pcidev,
>  unmap:
>         iounmap(sdhost->mmiobase);
>  free_mmc_host:
> -       dev_set_drvdata(&pcidev->dev, NULL);
>         mmc_free_host(mmc);
>  release:
>         pci_release_regions(pcidev);
> @@ -1212,7 +1211,6 @@ static void via_sd_remove(struct pci_dev *pcidev)
>         writeb(gatt, sdhost->pcictrl_mmiobase + VIA_CRDR_PCICLKGATT);
>
>         iounmap(sdhost->mmiobase);
> -       dev_set_drvdata(&pcidev->dev, NULL);
>         mmc_free_host(sdhost->mmc);
>         pci_release_regions(pcidev);
>         pci_disable_device(pcidev);
> diff --git a/drivers/mmc/host/wbsd.c b/drivers/mmc/host/wbsd.c
> index bf2a92fba0ed..0589d169e8fb 100644
> --- a/drivers/mmc/host/wbsd.c
> +++ b/drivers/mmc/host/wbsd.c
> @@ -1264,8 +1264,6 @@ static void wbsd_free_mmc(struct device *dev)
>         del_timer_sync(&host->ignore_timer);
>
>         mmc_free_host(mmc);
> -
> -       dev_set_drvdata(dev, NULL);
>  }
>
>  /*
> --
> 2.25.1
>



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