[PATCH] mmc: moxart: replace spin_lock_irqsave by spin_lock in hard IRQ

From: Tian Tao
Date: Thu Oct 29 2020 - 21:28:10 EST


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@xxxxxxxxxxxxx>
---
drivers/mmc/host/moxart-mmc.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/mmc/host/moxart-mmc.c b/drivers/mmc/host/moxart-mmc.c
index f25079b..89bff4e 100644
--- a/drivers/mmc/host/moxart-mmc.c
+++ b/drivers/mmc/host/moxart-mmc.c
@@ -465,9 +465,8 @@ static irqreturn_t moxart_irq(int irq, void *devid)
{
struct moxart_host *host = (struct moxart_host *)devid;
u32 status;
- unsigned long flags;

- spin_lock_irqsave(&host->lock, flags);
+ spin_lock(&host->lock);

status = readl(host->base + REG_STATUS);
if (status & CARD_CHANGE) {
@@ -484,7 +483,7 @@ static irqreturn_t moxart_irq(int irq, void *devid)
if (status & (FIFO_ORUN | FIFO_URUN) && host->mrq)
moxart_transfer_pio(host);

- spin_unlock_irqrestore(&host->lock, flags);
+ spin_unlock(&host->lock);

return IRQ_HANDLED;
}
--
2.7.4