renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2025-01-15 17:14:00 +08:00
Code

mmc: owl-mmc: replace spin_lock_irqsave by spin_lock in hard IRQ

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/mmc/host/owl-mmc.c
View File

@ -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) static irqreturn_t owl_irq_handler(int irq, void *devid)
{ {
struct owl_mmc_host *owl_host = devid; struct owl_mmc_host *owl_host = devid;
unsigned long flags;
u32 state; u32 state;
spin_lock_irqsave(&owl_host->lock, flags); spin_lock(&owl_host->lock);
state = readl(owl_host->base + OWL_REG_SD_STATE); state = readl(owl_host->base + OWL_REG_SD_STATE);
if (state & OWL_SD_STATE_TEI) { 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); complete(&owl_host->sdc_complete);
} }
spin_unlock_irqrestore(&owl_host->lock, flags); spin_unlock(&owl_host->lock);
return IRQ_HANDLED; return IRQ_HANDLED;
} }