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mmc: mediatek: Replace spin_lock_irqsave by spin_lock in hard IRQ 

The code has been in a irq-disabled context since it is hard IRQ. Therefore
there no need to do it again.

Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Link: https://lore.kernel.org/r/1603068193-44688-1-git-send-email-tiantao6@hisilicon.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Tian Tao 2020-10-19 08:43:13 +08:00 committed by Ulf Hansson
parent f5eccd94b6
commit 9baf7c5e3a
1 changed files with 2 additions and 3 deletions
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5
drivers/mmc/host/mtk-sd.c
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@ -1548,13 +1548,12 @@ static irqreturn_t msdc_irq(int irq, void *dev_id)
struct mmc_host *mmc = mmc_from_priv(host);
while (true) {
unsigned long flags;
struct mmc_request *mrq;
struct mmc_command *cmd;
struct mmc_data *data;
u32 events, event_mask;
spin_lock_irqsave(&host->lock, flags);
spin_lock(&host->lock);
events = readl(host->base + MSDC_INT);
event_mask = readl(host->base + MSDC_INTEN);
if ((events & event_mask) & MSDC_INT_SDIOIRQ)
@ -1565,7 +1564,7 @@ static irqreturn_t msdc_irq(int irq, void *dev_id)
mrq = host->mrq;
cmd = host->cmd;
data = host->data;
spin_unlock_irqrestore(&host->lock, flags);
spin_unlock(&host->lock);
if ((events & event_mask) & MSDC_INT_SDIOIRQ)
sdio_signal_irq(mmc);