From: Uwe Kleine-König Date: Mon, 6 Mar 2023 06:57:32 +0000 (+0100) Subject: spi: imx: Don't skip cleanup in remove's error path X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=11951c9e3f364d7ae3b568a0e52c8335d43066b5;p=linux.git spi: imx: Don't skip cleanup in remove's error path Returning early in a platform driver's remove callback is wrong. In this case the dma resources are not released in the error path. this is never retried later and so this is a permanent leak. To fix this, only skip hardware disabling if waking the device fails. Fixes: d593574aff0a ("spi: imx: do not access registers while clocks disabled") Signed-off-by: Uwe Kleine-König Link: https://lore.kernel.org/r/20230306065733.2170662-2-u.kleine-koenig@pengutronix.de Signed-off-by: Mark Brown --- diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index 620bce96b1f9a..81221594dd972 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -1856,13 +1856,11 @@ static int spi_imx_remove(struct platform_device *pdev) spi_unregister_controller(controller); - ret = pm_runtime_resume_and_get(spi_imx->dev); - if (ret < 0) { - dev_err(spi_imx->dev, "failed to enable clock\n"); - return ret; - } - - writel(0, spi_imx->base + MXC_CSPICTRL); + ret = pm_runtime_get_sync(spi_imx->dev); + if (ret >= 0) + writel(0, spi_imx->base + MXC_CSPICTRL); + else + dev_warn(spi_imx->dev, "failed to enable clock, skip hw disable\n"); pm_runtime_dont_use_autosuspend(spi_imx->dev); pm_runtime_put_sync(spi_imx->dev);