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Commit 2c0d5eac authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "scsi: ufs: Add counter for hibernate and gear switch"

parents c70d827b bb03f310

drivers/scsi/ufs/ufs-debugfs.c

+4 −0
Original line number Diff line number Diff line
@@ -950,6 +950,10 @@ static int ufsdbg_show_hba_show(struct seq_file *file, void *data) 
	seq_printf(file, "hba->saved_err = 0x%x\n", hba->saved_err);

	seq_printf(file, "hba->saved_uic_err = 0x%x\n", hba->saved_uic_err);



	seq_printf(file, "power_mode_change_cnt = %d\n",

			hba->ufs_stats.power_mode_change_cnt);

	seq_printf(file, "hibern8_exit_cnt = %d\n",

			hba->ufs_stats.hibern8_exit_cnt);

	return 0;

}

drivers/scsi/ufs/ufshcd.c

+1 −3
Original line number Diff line number Diff line
@@ -4875,6 +4875,7 @@ int ufshcd_change_power_mode(struct ufs_hba *hba, 


		memcpy(&hba->pwr_info, pwr_mode,

			sizeof(struct ufs_pa_layer_attr));

		hba->ufs_stats.power_mode_change_cnt++;

	}



	return ret;
@@ -7640,9 +7641,6 @@ static void ufshcd_clear_dbg_ufs_stats(struct ufs_hba *hba) 
{

	int err_reg_hist_size = sizeof(struct ufs_uic_err_reg_hist);



	hba->ufs_stats.hibern8_exit_cnt = 0;

	hba->ufs_stats.last_hibern8_exit_tstamp = ktime_set(0, 0);



	memset(&hba->ufs_stats.pa_err, 0, err_reg_hist_size);

	memset(&hba->ufs_stats.dl_err, 0, err_reg_hist_size);

	memset(&hba->ufs_stats.nl_err, 0, err_reg_hist_size);

drivers/scsi/ufs/ufshcd.h

+1 −0
Original line number Diff line number Diff line
@@ -644,6 +644,7 @@ struct ufs_stats { 
	struct ufshcd_clk_ctx clk_rel;

	u32 hibern8_exit_cnt;

	ktime_t last_hibern8_exit_tstamp;

	u32 power_mode_change_cnt;

	struct ufs_uic_err_reg_hist pa_err;

	struct ufs_uic_err_reg_hist dl_err;

	struct ufs_uic_err_reg_hist nl_err;