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scsi: ufs: Print host regs in IRQ handler when AH8 error happens

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Dump registers and states prior to leaving IRQ handler when an AH8 error
occurs.

Link: https://lore.kernel.org/r/1606910644-21185-4-git-send-email-cang@codeaurora.org
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Bao D. Nguyen <nguyenb@codeaurora.org>
Reviewed-by: Asutosh Das <asutoshd@codeaurora.org>
Reviewed-by: Hongwu Su <hongwus@codeaurora.org>
Signed-off-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Can Guo 2020-12-02 04:04:03 -08:00 committed by Martin K. Petersen
parent 7a7e66c65d
commit ace3804b69
1 changed files with 2 additions and 1 deletions
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3
drivers/scsi/ufs/ufshcd.c
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@ -6112,7 +6112,8 @@ 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 &
(INT_FATAL_ERRORS | UFSHCD_UIC_HIBERN8_MASK)) ||
(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",