From: Angelo Dureghello <angelo.dureghello@timesys.com>
To: Yangtao Li <frank.li@vivo.com>
Cc: "Adrian Hunter" <adrian.hunter@intel.com>,
"Ulf Hansson" <ulf.hansson@linaro.org>,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 49/61] mmc: sdhci-esdhc-mcf: Convert to platform remove callback returning void
Date: Wed, 26 Jul 2023 08:14:06 +0200 [thread overview]
Message-ID: <CALJHbkDoBoqQ8BpJnqYhPyat=_A6gUHw6BZRnhT=sy4XSx265g@mail.gmail.com> (raw)
In-Reply-To: <20230726040041.26267-49-frank.li@vivo.com>
Hi Yangtao,
Acked-by: Angelo Dureghello <angelo.dureghello@timesys.com>
On Wed, Jul 26, 2023 at 6:02 AM Yangtao Li <frank.li@vivo.com> wrote:
>
> The .remove() callback for a platform driver returns an int which makes
> many driver authors wrongly assume it's possible to do error handling by
> returning an error code. However the value returned is (mostly) ignored
> and this typically results in resource leaks. To improve here there is a
> quest to make the remove callback return void. In the first step of this
> quest all drivers are converted to .remove_new() which already returns
> void.
>
> Trivially convert this driver from always returning zero in the remove
> callback to the void returning variant.
>
> Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
> Signed-off-by: Yangtao Li <frank.li@vivo.com>
> Acked-by: Angelo Dureghello <angelo.dureghello@timesys.com>
> ---
> drivers/mmc/host/sdhci-esdhc-mcf.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci-esdhc-mcf.c b/drivers/mmc/host/sdhci-esdhc-mcf.c
> index 05926bf5ecf9..a07f8333cd6b 100644
> --- a/drivers/mmc/host/sdhci-esdhc-mcf.c
> +++ b/drivers/mmc/host/sdhci-esdhc-mcf.c
> @@ -489,7 +489,7 @@ static int sdhci_esdhc_mcf_probe(struct platform_device *pdev)
> return err;
> }
>
> -static int sdhci_esdhc_mcf_remove(struct platform_device *pdev)
> +static void sdhci_esdhc_mcf_remove(struct platform_device *pdev)
> {
> struct sdhci_host *host = platform_get_drvdata(pdev);
> struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
> @@ -502,8 +502,6 @@ static int sdhci_esdhc_mcf_remove(struct platform_device *pdev)
> clk_disable_unprepare(mcf_data->clk_per);
>
> sdhci_pltfm_free(pdev);
> -
> - return 0;
> }
>
> static struct platform_driver sdhci_esdhc_mcf_driver = {
> @@ -512,7 +510,7 @@ static struct platform_driver sdhci_esdhc_mcf_driver = {
> .probe_type = PROBE_PREFER_ASYNCHRONOUS,
> },
> .probe = sdhci_esdhc_mcf_probe,
> - .remove = sdhci_esdhc_mcf_remove,
> + .remove_new = sdhci_esdhc_mcf_remove,
> };
>
> module_platform_driver(sdhci_esdhc_mcf_driver);
> --
> 2.39.0
>
--
Angelo Dureghello
Timesys
e. angelo.dureghello@timesys.com
next prev parent reply other threads:[~2023-07-26 6:15 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-26 3:59 [PATCH v2 01/61] mmc: sunxi: Convert to platform remove callback returning void Yangtao Li
2023-07-26 3:59 ` [PATCH v2 02/61] mmc: bcm2835: " Yangtao Li
2023-07-26 3:59 ` [PATCH v2 03/61] mmc: jz4740: " Yangtao Li
2023-07-26 3:59 ` [PATCH v2 04/61] mmc: litex_mmc: " Yangtao Li
2023-07-26 3:59 ` [PATCH v2 05/61] mmc: mtk-sd: " Yangtao Li
2023-07-26 8:26 ` AngeloGioacchino Del Regno
2023-07-26 3:59 ` [PATCH v2 06/61] mmc: cb710: " Yangtao Li
2023-07-26 3:59 ` [PATCH v2 07/61] mmc: davinci_mmc: " Yangtao Li
2023-07-26 3:59 ` [PATCH v2 08/61] mmc: dw_mmc: hi3798cv200: " Yangtao Li
2023-07-26 3:59 ` [PATCH v2 09/61] mmc: sdhci-pic32: " Yangtao Li
2023-07-26 6:20 ` Adrian Hunter
2023-07-26 6:40 ` Yangtao Li
2023-07-26 3:59 ` [PATCH v2 10/61] mmc: sdhci: milbeaut: " Yangtao Li
2023-07-26 3:59 ` [PATCH v2 11/61] mmc: omap_hsmmc: " Yangtao Li
2023-07-26 3:59 ` [PATCH v2 12/61] mmc: sdhci-of-at91: " Yangtao Li
2023-07-27 5:40 ` claudiu beznea
2023-07-26 3:59 ` [PATCH v2 13/61] mmc: omap: " Yangtao Li
2023-07-26 3:59 ` [PATCH v2 14/61] mmc: dw_mmc: exynos: " Yangtao Li
2023-07-26 3:59 ` [PATCH v2 15/61] mmc: sdhci-pxav3: " Yangtao Li
2023-07-26 3:59 ` [PATCH v2 16/61] mmc: rtsx_pci: Drop if block with always false condition Yangtao Li
2023-07-26 6:47 ` Uwe Kleine-König
2023-07-26 3:59 ` [PATCH v2 17/61] mmc: rtsx_pci: Convert to platform remove callback returning void Yangtao Li
2023-07-26 3:59 ` [PATCH v2 18/61] mmc: sh_mmcif: " Yangtao Li
2023-07-26 3:59 ` [PATCH v2 19/61] mmc: meson-gx: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 20/61] mmc: xenon: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 21/61] mmc: sdhci-s3c: " Yangtao Li
2023-07-27 0:51 ` Andi Shyti
2023-07-26 4:00 ` [PATCH v2 22/61] mmc: meson-mx-sdhc: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 23/61] mmc: rtsx_usb_sdmmc: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 24/61] mmc: mxs-mmc: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 25/61] mmc: f-sdh30: " Yangtao Li
2023-07-26 6:39 ` Adrian Hunter
2023-07-26 6:53 ` Uwe Kleine-König
2023-07-26 4:00 ` [PATCH v2 26/61] mmc: sdhci-of-arasan: " Yangtao Li
2023-07-27 6:25 ` Michal Simek
2023-07-26 4:00 ` [PATCH v2 27/61] mmc: sdhci-of-dwcmshc: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 28/61] mmc: au1xmmc: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 29/61] mmc: cavium-octeon: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 30/61] mmc: pxamci: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 31/61] mmc: moxart: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 32/61] mmc: sdhci-omap: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 33/61] mmc: sdhci-of-aspeed: remove unneeded variables Yangtao Li
2023-07-26 6:45 ` Adrian Hunter
2023-07-26 6:57 ` Uwe Kleine-König
2023-07-26 4:00 ` [PATCH v2 34/61] mmc: sdhci-of-aspeed: Convert to platform remove Yangtao Li
2023-07-26 6:54 ` Adrian Hunter
2023-07-26 4:00 ` [PATCH v2 35/61] mmc: meson-mx-sdio: Convert to platform remove callback returning void Yangtao Li
2023-07-26 4:00 ` [PATCH v2 36/61] mmc: sdhci-sprd: " Yangtao Li
2023-07-26 6:00 ` Chunyan Zhang
2023-07-26 4:00 ` [PATCH v2 37/61] mmc: sdhci-tegra: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 38/61] mmc: sdhci-acpi: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 39/61] mmc: sdhci-esdhc-imx: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 40/61] mmc: sdhci-msm: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 41/61] mmc: alcor: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 42/61] mmc: dw_mmc: rockchip: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 43/61] mmc: owl: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 44/61] mmc: wbsd: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 45/61] mmc: usdhi60rol0: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 46/61] mmc: atmel-mci: " Yangtao Li
2023-07-27 5:41 ` claudiu beznea
2023-07-26 4:00 ` [PATCH v2 47/61] mmc: sdhci-st: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 48/61] mmc: wmt-sdmmc: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 49/61] mmc: sdhci-esdhc-mcf: " Yangtao Li
2023-07-26 6:14 ` Angelo Dureghello [this message]
2023-07-26 4:00 ` [PATCH v2 50/61] mmc: sunplus-mmc: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 51/61] mmc: sdhci-spear: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 52/61] mmc: mxcmmc: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 53/61] mmc: mvsdio: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 54/61] mmc: pwrseq_simple: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 55/61] mmc: pwrseq: sd8787: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 56/61] mmc: pwrseq: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 57/61] mmc: renesas_sdhi: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 58/61] mmc: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 59/61] mmc: uniphier-sd: " Yangtao Li
2023-07-26 4:00 ` [PATCH v2 60/61] mmc: sdhci_am654: Properly handle failures in .remove() Yangtao Li
2023-07-26 7:02 ` Uwe Kleine-König
2023-07-26 4:00 ` [PATCH v2 61/61] mmc: sdhci_am654: Convert to platform remove callback returning void Yangtao Li
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