Message ID | 20230726040041.26267-42-frank.li@vivo.com |
---|---|
State | Superseded |
Headers | show
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Wed, 26 Jul 2023 04:02:28 +0000 Received: from SEZPR06MB5269.apcprd06.prod.outlook.com ([fe80::732f:ea1d:45a1:1e0b]) by SEZPR06MB5269.apcprd06.prod.outlook.com ([fe80::732f:ea1d:45a1:1e0b%3]) with mapi id 15.20.6631.026; Wed, 26 Jul 2023 04:02:28 +0000 From: Yangtao Li <frank.li@vivo.com> To: Jaehoon Chung <jh80.chung@samsung.com>, Ulf Hansson <ulf.hansson@linaro.org>, Heiko Stuebner <heiko@sntech.de> Cc: Yangtao Li <frank.li@vivo.com>, =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>, linux-mmc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 42/61] mmc: dw_mmc: rockchip: Convert to platform remove callback returning void Date: Wed, 26 Jul 2023 12:00:22 +0800 Message-Id: <20230726040041.26267-42-frank.li@vivo.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230726040041.26267-1-frank.li@vivo.com> References: <20230726040041.26267-1-frank.li@vivo.com> Content-Type: text/plain; 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diff --git a/drivers/mmc/host/dw_mmc-rockchip.c b/drivers/mmc/host/dw_mmc-rockchip.c index 2a99f15f527f..b07190ba4b7a 100644 --- a/drivers/mmc/host/dw_mmc-rockchip.c +++ b/drivers/mmc/host/dw_mmc-rockchip.c @@ -371,15 +371,13 @@ static int dw_mci_rockchip_probe(struct platform_device *pdev) return 0; } -static int dw_mci_rockchip_remove(struct platform_device *pdev) +static void dw_mci_rockchip_remove(struct platform_device *pdev) { pm_runtime_get_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); pm_runtime_put_noidle(&pdev->dev); dw_mci_pltfm_remove(pdev); - - return 0; } static const struct dev_pm_ops dw_mci_rockchip_dev_pm_ops = { @@ -392,7 +390,7 @@ static const struct dev_pm_ops dw_mci_rockchip_dev_pm_ops = { static struct platform_driver dw_mci_rockchip_pltfm_driver = { .probe = dw_mci_rockchip_probe, - .remove = dw_mci_rockchip_remove, + .remove_new = dw_mci_rockchip_remove, .driver = { .name = "dwmmc_rockchip", .probe_type = PROBE_PREFER_ASYNCHRONOUS,
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> --- drivers/mmc/host/dw_mmc-rockchip.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)