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Subject[PATCH] mmc: meson-mx-sdio: replace spin_lock_irqsave by spin_lock in hard IRQ
Date
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>
---
drivers/mmc/host/meson-mx-sdio.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/mmc/host/meson-mx-sdio.c b/drivers/mmc/host/meson-mx-sdio.c
index 1c5299c..d4a4891 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;
}
--
2.7.4
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