From: Tian Tao Date: Mon, 15 Mar 2021 01:08:15 +0000 (+0800) Subject: mtd: rawnand: r852: replace spin_lock_irqsave by spin_lock in hard IRQ X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=4682dd19a6686dccf1871479d12dd1a4a3df0b70;p=linux.git 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: Tian Tao Signed-off-by: Miquel Raynal Link: https://lore.kernel.org/linux-mtd/1615770495-31939-1-git-send-email-tiantao6@hisilicon.com --- diff --git a/drivers/mtd/nand/raw/r852.c b/drivers/mtd/nand/raw/r852.c index c742354c1b0be..ebe859ca49cbf 100644 --- a/drivers/mtd/nand/raw/r852.c +++ b/drivers/mtd/nand/raw/r852.c @@ -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; }