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UPSTREAM: scsi: ufs: Fix interrupt error message for shared interrupts

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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: 9333d7757348 ("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>
(cherry picked from commit 6337f58cec030b34ced435b3d9d7d29d63c96e36)
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I60f61f9453edae05b796afa7a37e59bf8ace32e1
This commit is contained in:
Adrian Hunter 2020-08-11 16:39:35 +03:00 committed by Greg Kroah-Hartman
parent 91c21bea59
commit 67d571fe31
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/ufs/ufshcd.c
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@ -6258,7 +6258,7 @@ 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: ");