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scsi: ufs: Fix interrupt error message for shared interrupts

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commit 6337f58cec upstream.

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>
Signed-off-by: Orson Zhai <orson.zhai@unisoc.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Adrian Hunter
2020-08-11 16:39:35 +03:00
committed by Greg Kroah-Hartman
parent e3c97ba4a6
commit 7be773a028
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/ufs/ufshcd.c
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@@ -5661,7 +5661,7 @@ static irqreturn_t ufshcd_intr(int irq, void *__hba)
intr_status = ufshcd_readl(hba, REG_INTERRUPT_STATUS);
}
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: ");