From: Heiner Kallweit Date: Tue, 7 Feb 2017 21:34:51 +0000 (+0100) Subject: mmc: meson-gx: improve interrupt handling X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=92763b997e468700b26a8fdddc5bee3e3c2a39fa;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git mmc: meson-gx: improve interrupt handling Disabling and immediately re-enabling interrupts in meson_mmc_request doesn't provide a benefit. Instead enable interrupts in probe already. And disable interrupts in remove, this was missing so far. Signed-off-by: Heiner Kallweit Reviewed-by: Kevin Hilman Signed-off-by: Ulf Hansson --- diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index dd7f936c974e..4c622ad26a70 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c @@ -542,11 +542,6 @@ static void meson_mmc_request(struct mmc_host *mmc, struct mmc_request *mrq) /* Stop execution */ writel(0, host->regs + SD_EMMC_START); - /* clear, ack, enable all interrupts */ - writel(0, host->regs + SD_EMMC_IRQ_EN); - writel(IRQ_EN_MASK, host->regs + SD_EMMC_STATUS); - writel(IRQ_EN_MASK, host->regs + SD_EMMC_IRQ_EN); - host->mrq = mrq; if (mrq->sbc) @@ -775,6 +770,7 @@ static int meson_mmc_probe(struct platform_device *pdev) /* clear, ack, enable all interrupts */ writel(0, host->regs + SD_EMMC_IRQ_EN); writel(IRQ_EN_MASK, host->regs + SD_EMMC_STATUS); + writel(IRQ_EN_MASK, host->regs + SD_EMMC_IRQ_EN); ret = devm_request_threaded_irq(&pdev->dev, host->irq, meson_mmc_irq, meson_mmc_irq_thread, @@ -812,6 +808,9 @@ static int meson_mmc_remove(struct platform_device *pdev) if (WARN_ON(!host)) return 0; + /* disable interrupts */ + writel(0, host->regs + SD_EMMC_IRQ_EN); + if (host->bounce_buf) dma_free_coherent(host->dev, host->bounce_buf_size, host->bounce_buf, host->bounce_dma_addr);