Commit 9baf7c5e authored by Tian Tao's avatar Tian Tao Committed by Ulf Hansson
Browse files

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: default avatarTian Tao <tiantao6@hisilicon.com>
Link: https://lore.kernel.org/r/1603068193-44688-1-git-send-email-tiantao6@hisilicon.com


Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent f5eccd94

drivers/mmc/host/mtk-sd.c

+2 −3
Original line number Diff line number Diff line
@@ -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);