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FROMLIST: scsi: ufs: Use ufshcd_config_pwr_mode() when scale gear

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When scale gear, use ufshcd_config_pwr_mode() instead of
ufshcd_change_power_mode() so that vops_pwr_change_notify(PRE_CHANGE)
can be utilized to allow vendors use customized settings before change
the power mode.

Bug: 150731199
Link: https://lore.kernel.org/linux-scsi/1581485910-8307-2-git-send-email-cang@codeaurora.org/
Change-Id: I8c8602b8ce3fd9fa4644e126fbd84bf564bf11e7
Signed-off-by: Can Guo <cang@codeaurora.org>
This commit is contained in:
Can Guo 2020-02-11 04:42:27 -08:00 committed by Todd Kjos
parent 3751d2c97e
commit 070d717720
1 changed files with 2 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/scsi/ufs/ufshcd.c
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@ -1094,8 +1094,7 @@ static int ufshcd_scale_gear(struct ufs_hba *hba, bool scale_up)
}
/* check if the power mode needs to be changed or not? */
ret = ufshcd_change_power_mode(hba, &new_pwr_info);
ret = ufshcd_config_pwr_mode(hba, &new_pwr_info);
if (ret)
dev_err(hba->dev, "%s: failed err %d, old gear: (tx %d rx %d), new gear: (tx %d rx %d)",
__func__, ret,
@ -4194,8 +4193,6 @@ int ufshcd_config_pwr_mode(struct ufs_hba *hba,
memcpy(&final_params, desired_pwr_mode, sizeof(final_params));
ret = ufshcd_change_power_mode(hba, &final_params);
if (!ret)
ufshcd_print_pwr_info(hba);
return ret;
}
@ -7241,6 +7238,7 @@ static int ufshcd_probe_hba(struct ufs_hba *hba, bool async)
__func__, ret);
goto out;
}
ufshcd_print_pwr_info(hba);
}
/* set the state as operational after switching to desired gear */