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mmc: owl-mmc: 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 <tiantao6@hisilicon.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1604278337-55624-1-git-send-email-tiantao6@hisilicon.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Tian Tao 2020-11-02 08:52:17 +08:00 committed by Ulf Hansson
parent 291a81c3b0
commit fa4c9a497c
1 changed files with 2 additions and 3 deletions
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5
drivers/mmc/host/owl-mmc.c
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@ -134,10 +134,9 @@ static void owl_mmc_update_reg(void __iomem *reg, unsigned int val, bool state)
static irqreturn_t owl_irq_handler(int irq, void *devid)
{
struct owl_mmc_host *owl_host = devid;
unsigned long flags;
u32 state;
spin_lock_irqsave(&owl_host->lock, flags);
spin_lock(&owl_host->lock);
state = readl(owl_host->base + OWL_REG_SD_STATE);
if (state & OWL_SD_STATE_TEI) {
@ -147,7 +146,7 @@ static irqreturn_t owl_irq_handler(int irq, void *devid)
complete(&owl_host->sdc_complete);
}
spin_unlock_irqrestore(&owl_host->lock, flags);
spin_unlock(&owl_host->lock);
return IRQ_HANDLED;
}