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SubjectRe: [PATCH v3 3/3] scsi: ufs: Print host regs in IRQ handler when AH8 error happens
On 2020-11-16 23:04, Can Guo wrote:
> 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.
>
> Signed-off-by: Can Guo <cang@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 cd7394e..a7857f6 100644
> --- a/drivers/scsi/ufs/ufshcd.c
> +++ b/drivers/scsi/ufs/ufshcd.c
> @@ -6057,7 +6057,8 @@ 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",

Reviewed-by: Bao D. Nguyen <nguyenb@codeaurora.org>

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