Commit 4682dd19 authored by Tian Tao's avatar Tian Tao Committed by Miquel Raynal
Browse files

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



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: default avatarTian Tao <tiantao6@hisilicon.com>
Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/1615770495-31939-1-git-send-email-tiantao6@hisilicon.com
parent 7a534c5e

drivers/mtd/nand/raw/r852.c

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

}