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mmc: meson-mx-sdio: replace spin_lock_irqsave by spin_lock in hard IRQ

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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 <tiantao6@hisilicon.com>
Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/1604375323-33556-1-git-send-email-tiantao6@hisilicon.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Tian Tao
2020-11-03 11:48:43 +08:00
committed by Ulf Hansson
parent 120ae805fb
commit 291a81c3b0
1 changed files with 2 additions and 3 deletions
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5
drivers/mmc/host/meson-mx-sdio.c
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@@ -418,10 +418,9 @@ static irqreturn_t meson_mx_mmc_irq(int irq, void *data)
{ {
struct meson_mx_mmc_host *host = (void *) data; struct meson_mx_mmc_host *host = (void *) data;
u32 irqs, send; u32 irqs, send;
unsigned long irqflags;
irqreturn_t ret; irqreturn_t ret;
spin_lock_irqsave(&host->irq_lock, irqflags); spin_lock(&host->irq_lock);
irqs = readl(host->base + MESON_MX_SDIO_IRQS); irqs = readl(host->base + MESON_MX_SDIO_IRQS);
send = readl(host->base + MESON_MX_SDIO_SEND); 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 */ /* finally ACK all pending interrupts */
writel(irqs, host->base + MESON_MX_SDIO_IRQS); writel(irqs, host->base + MESON_MX_SDIO_IRQS);
spin_unlock_irqrestore(&host->irq_lock, irqflags); spin_unlock(&host->irq_lock);
return ret; return ret;
} }