From: Tian Tao Date: Tue, 3 Nov 2020 03:48:43 +0000 (+0800) Subject: mmc: meson-mx-sdio: replace spin_lock_irqsave by spin_lock in hard IRQ X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=291a81c3b0610c5dc4689d13e94b8557069788fe;p=linux.git mmc: meson-mx-sdio: replace spin_lock_irqsave by spin_lock in hard IRQ The code has been in a irq-disabled context since it is hard IRQ. There is no necessity to do it again. Signed-off-by: Tian Tao Reviewed-by: Jerome Brunet Link: https://lore.kernel.org/r/1604375323-33556-1-git-send-email-tiantao6@hisilicon.com Signed-off-by: Ulf Hansson --- diff --git a/drivers/mmc/host/meson-mx-sdio.c b/drivers/mmc/host/meson-mx-sdio.c index 1c5299cd0cbe1..d4a48916bfb67 100644 --- a/drivers/mmc/host/meson-mx-sdio.c +++ b/drivers/mmc/host/meson-mx-sdio.c @@ -418,10 +418,9 @@ static irqreturn_t meson_mx_mmc_irq(int irq, void *data) { struct meson_mx_mmc_host *host = (void *) data; u32 irqs, send; - unsigned long irqflags; irqreturn_t ret; - spin_lock_irqsave(&host->irq_lock, irqflags); + spin_lock(&host->irq_lock); irqs = readl(host->base + MESON_MX_SDIO_IRQS); send = readl(host->base + MESON_MX_SDIO_SEND); @@ -434,7 +433,7 @@ static irqreturn_t meson_mx_mmc_irq(int irq, void *data) /* finally ACK all pending interrupts */ writel(irqs, host->base + MESON_MX_SDIO_IRQS); - spin_unlock_irqrestore(&host->irq_lock, irqflags); + spin_unlock(&host->irq_lock); return ret; }