[PATCH V7 3/3] scsi: ufs: Print host regs in IRQ handler when AH8 error happens

Can Guo cang at codeaurora.org
Wed Dec 2 07:04:03 EST 2020

When AH8 error happens, all the regs and states are dumped in err handler.
Sometime we need to look into host regs right after AH8 error happens,
which is before leaving the IRQ handler.

Reviewed-by: Stanley Chu <stanley.chu at mediatek.com>
Reviewed-by: Bao D. Nguyen <nguyenb at codeaurora.org>
Reviewed-by: Asutosh Das <asutoshd at codeaurora.org>
Reviewed-by: Hongwu Su<hongwus at codeaurora.org>
Signed-off-by: Can Guo <cang at codeaurora.org>
 drivers/scsi/ufs/ufshcd.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 26c1fa0..4561601 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -6060,7 +6060,8 @@ static irqreturn_t ufshcd_check_errors(struct ufs_hba *hba)
 		hba->saved_uic_err |= hba->uic_error;
 		/* dump controller state before resetting */
-		if ((hba->saved_err & (INT_FATAL_ERRORS)) ||
+		if ((hba->saved_err &
 		    (hba->saved_uic_err &&
 		     (hba->saved_uic_err != UFSHCD_UIC_PA_GENERIC_ERROR))) {
 			dev_err(hba->dev, "%s: saved_err 0x%x saved_uic_err 0x%x\n",
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