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mtd: rawnand: r852: replace spin_lock_irqsave by spin_lock in hard IRQ

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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>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/1615770495-31939-1-git-send-email-tiantao6@hisilicon.com
This commit is contained in:
Tian Tao 2021-03-15 09:08:15 +08:00 committed by Miquel Raynal
parent 7a534c5e41
commit 4682dd19a6
1 changed files with 2 additions and 3 deletions
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5
drivers/mtd/nand/raw/r852.c
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@ -724,10 +724,9 @@ static irqreturn_t r852_irq(int irq, void *data)
struct r852_device *dev = (struct r852_device *)data;
uint8_t card_status, dma_status;
unsigned long flags;
irqreturn_t ret = IRQ_NONE;
spin_lock_irqsave(&dev->irqlock, flags);
spin_lock(&dev->irqlock);
/* handle card detection interrupts first */
card_status = r852_read_reg(dev, R852_CARD_IRQ_STA);
@ -813,7 +812,7 @@ static irqreturn_t r852_irq(int irq, void *data)
dbg("strange card status = %x", card_status);
out:
spin_unlock_irqrestore(&dev->irqlock, flags);
spin_unlock(&dev->irqlock);
return ret;
}