@@ -429,6 +429,9 @@ static void ufshcd_print_host_regs(struct ufs_hba *hba)
ufshcd_print_err_hist(hba, &hba->ufs_stats.nl_err, "nl_err");
ufshcd_print_err_hist(hba, &hba->ufs_stats.tl_err, "tl_err");
ufshcd_print_err_hist(hba, &hba->ufs_stats.dme_err, "dme_err");
+ ufshcd_print_err_hist(hba, &hba->ufs_stats.fatal_err, "fatal_err");
+ ufshcd_print_err_hist(hba, &hba->ufs_stats.auto_hibern8_err,
+ "auto_hibern8_err");
ufshcd_print_clk_freqs(hba);
@@ -5440,8 +5443,10 @@ static void ufshcd_check_errors(struct ufs_hba *hba)
{
bool queue_eh_work = false;
- if (hba->errors & INT_FATAL_ERRORS)
+ if (hba->errors & INT_FATAL_ERRORS) {
+ ufshcd_update_reg_hist(&hba->ufs_stats.fatal_err, hba->errors);
queue_eh_work = true;
+ }
if (hba->errors & UIC_ERROR) {
hba->uic_error = 0;
@@ -5456,6 +5461,8 @@ static void ufshcd_check_errors(struct ufs_hba *hba)
__func__, (hba->errors & UIC_HIBERNATE_ENTER) ?
"Enter" : "Exit",
hba->errors, ufshcd_get_upmcrs(hba));
+ ufshcd_update_reg_hist(&hba->ufs_stats.auto_hibern8_err,
+ hba->errors);
queue_eh_work = true;
}
@@ -6693,6 +6700,8 @@ static void ufshcd_clear_dbg_ufs_stats(struct ufs_hba *hba)
memset(&hba->ufs_stats.nl_err, 0, err_reg_hist_size);
memset(&hba->ufs_stats.tl_err, 0, err_reg_hist_size);
memset(&hba->ufs_stats.dme_err, 0, err_reg_hist_size);
+ memset(&hba->ufs_stats.fatal_err, 0, err_reg_hist_size);
+ memset(&hba->ufs_stats.auto_hibern8_err, 0, err_reg_hist_size);
hba->req_abort_count = 0;
}
@@ -440,11 +440,17 @@ struct ufs_err_reg_hist {
struct ufs_stats {
u32 hibern8_exit_cnt;
ktime_t last_hibern8_exit_tstamp;
+
+ /* uic specific errors */
struct ufs_err_reg_hist pa_err;
struct ufs_err_reg_hist dl_err;
struct ufs_err_reg_hist nl_err;
struct ufs_err_reg_hist tl_err;
struct ufs_err_reg_hist dme_err;
+
+ /* fatal errors */
+ struct ufs_err_reg_hist fatal_err;
+ struct ufs_err_reg_hist auto_hibern8_err;
};
/**
Provide more information of fatal errros and auto-hibern8 errors to improve debugging by extending existed UFS error history framework. Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> --- drivers/scsi/ufs/ufshcd.c | 11 ++++++++++- drivers/scsi/ufs/ufshcd.h | 6 ++++++ 2 files changed, 16 insertions(+), 1 deletion(-)