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scsi: ufs: Fix interrupt error message for shared interrupts 

The interrupt might be shared, in which case it is not an error for the
interrupt handler to be called when the interrupt status is zero, so don't
print the message unless there was enabled interrupt status.

Link: https://lore.kernel.org/r/20200811133936.19171-1-adrian.hunter@intel.com
Fixes: 9333d77573 ("scsi: ufs: Fix irq return code")
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Adrian Hunter 2020-08-11 16:39:35 +03:00 committed by Martin K. Petersen
parent 8da76f71fe
commit 6337f58cec
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/ufs/ufshcd.c
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@ -5969,7 +5969,7 @@ static irqreturn_t ufshcd_intr(int irq, void *__hba)
intr_status = ufshcd_readl(hba, REG_INTERRUPT_STATUS);
} while (intr_status && --retries);
if (retval == IRQ_NONE) {
if (enabled_intr_status && retval == IRQ_NONE) {
dev_err(hba->dev, "%s: Unhandled interrupt 0x%08x\n",
__func__, intr_status);
ufshcd_dump_regs(hba, 0, UFSHCI_REG_SPACE_SIZE, "host_regs: ");