Messages in this thread Patch in this message | | | From | Tuo Cao <> | Subject | [PATCH 3/9] scsi: a2091: move spin_lock_irqsave to spin_lock in interrupt handler | Date | Sun, 14 Aug 2022 14:43:31 +0800 |
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it is unnecessary to call spin_lock_irqsave in a interrupt handler.
Signed-off-by: Tuo Cao <91tuocao@gmail.com> --- drivers/scsi/a2091.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/scsi/a2091.c b/drivers/scsi/a2091.c index 74312400468b..0a79ba0b20f7 100644 --- a/drivers/scsi/a2091.c +++ b/drivers/scsi/a2091.c @@ -34,14 +34,13 @@ static irqreturn_t a2091_intr(int irq, void *data) struct Scsi_Host *instance = data; struct a2091_hostdata *hdata = shost_priv(instance); unsigned int status = hdata->regs->ISTR; - unsigned long flags; if (!(status & (ISTR_INT_F | ISTR_INT_P)) || !(status & ISTR_INTS)) return IRQ_NONE; - spin_lock_irqsave(instance->host_lock, flags); + spin_lock(instance->host_lock); wd33c93_intr(instance); - spin_unlock_irqrestore(instance->host_lock, flags); + spin_unlock(instance->host_lock); return IRQ_HANDLED; } -- 2.17.1
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