diff options
Diffstat (limited to 'drivers/scsi')
-rw-r--r-- | drivers/scsi/ufs/ufs-sysfs.c | 92 |
1 files changed, 47 insertions, 45 deletions
diff --git a/drivers/scsi/ufs/ufs-sysfs.c b/drivers/scsi/ufs/ufs-sysfs.c index cd7174d2d225..4ff9e0b7eba1 100644 --- a/drivers/scsi/ufs/ufs-sysfs.c +++ b/drivers/scsi/ufs/ufs-sysfs.c @@ -57,29 +57,8 @@ static ssize_t rpm_lvl_show(struct device *dev, struct device_attribute *attr, char *buf) { struct ufs_hba *hba = dev_get_drvdata(dev); - int curr_len; - u8 lvl; - - curr_len = snprintf(buf, PAGE_SIZE, - "\nCurrent Runtime PM level [%d] => dev_state [%s] link_state [%s]\n", - hba->rpm_lvl, - ufschd_ufs_dev_pwr_mode_to_string( - ufs_pm_lvl_states[hba->rpm_lvl].dev_state), - ufschd_uic_link_state_to_string( - ufs_pm_lvl_states[hba->rpm_lvl].link_state)); - - curr_len += snprintf((buf + curr_len), (PAGE_SIZE - curr_len), - "\nAll available Runtime PM levels info:\n"); - for (lvl = UFS_PM_LVL_0; lvl < UFS_PM_LVL_MAX; lvl++) - curr_len += snprintf((buf + curr_len), (PAGE_SIZE - curr_len), - "\tRuntime PM level [%d] => dev_state [%s] link_state [%s]\n", - lvl, - ufschd_ufs_dev_pwr_mode_to_string( - ufs_pm_lvl_states[lvl].dev_state), - ufschd_uic_link_state_to_string( - ufs_pm_lvl_states[lvl].link_state)); - - return curr_len; + + return sprintf(buf, "%d\n", hba->rpm_lvl); } static ssize_t rpm_lvl_store(struct device *dev, @@ -88,33 +67,30 @@ static ssize_t rpm_lvl_store(struct device *dev, return ufs_sysfs_pm_lvl_store(dev, attr, buf, count, true); } +static ssize_t rpm_target_dev_state_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ufs_hba *hba = dev_get_drvdata(dev); + + return sprintf(buf, "%s\n", ufschd_ufs_dev_pwr_mode_to_string( + ufs_pm_lvl_states[hba->rpm_lvl].dev_state)); +} + +static ssize_t rpm_target_link_state_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ufs_hba *hba = dev_get_drvdata(dev); + + return sprintf(buf, "%s\n", ufschd_uic_link_state_to_string( + ufs_pm_lvl_states[hba->rpm_lvl].link_state)); +} + static ssize_t spm_lvl_show(struct device *dev, struct device_attribute *attr, char *buf) { struct ufs_hba *hba = dev_get_drvdata(dev); - int curr_len; - u8 lvl; - - curr_len = snprintf(buf, PAGE_SIZE, - "\nCurrent System PM level [%d] => dev_state [%s] link_state [%s]\n", - hba->spm_lvl, - ufschd_ufs_dev_pwr_mode_to_string( - ufs_pm_lvl_states[hba->spm_lvl].dev_state), - ufschd_uic_link_state_to_string( - ufs_pm_lvl_states[hba->spm_lvl].link_state)); - curr_len += snprintf((buf + curr_len), (PAGE_SIZE - curr_len), - "\nAll available System PM levels info:\n"); - for (lvl = UFS_PM_LVL_0; lvl < UFS_PM_LVL_MAX; lvl++) - curr_len += snprintf((buf + curr_len), (PAGE_SIZE - curr_len), - "\tSystem PM level [%d] => dev_state [%s] link_state [%s]\n", - lvl, - ufschd_ufs_dev_pwr_mode_to_string( - ufs_pm_lvl_states[lvl].dev_state), - ufschd_uic_link_state_to_string( - ufs_pm_lvl_states[lvl].link_state)); - - return curr_len; + return sprintf(buf, "%d\n", hba->spm_lvl); } static ssize_t spm_lvl_store(struct device *dev, @@ -123,12 +99,38 @@ static ssize_t spm_lvl_store(struct device *dev, return ufs_sysfs_pm_lvl_store(dev, attr, buf, count, false); } +static ssize_t spm_target_dev_state_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ufs_hba *hba = dev_get_drvdata(dev); + + return sprintf(buf, "%s\n", ufschd_ufs_dev_pwr_mode_to_string( + ufs_pm_lvl_states[hba->spm_lvl].dev_state)); +} + +static ssize_t spm_target_link_state_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ufs_hba *hba = dev_get_drvdata(dev); + + return sprintf(buf, "%s\n", ufschd_uic_link_state_to_string( + ufs_pm_lvl_states[hba->spm_lvl].link_state)); +} + static DEVICE_ATTR_RW(rpm_lvl); +static DEVICE_ATTR_RO(rpm_target_dev_state); +static DEVICE_ATTR_RO(rpm_target_link_state); static DEVICE_ATTR_RW(spm_lvl); +static DEVICE_ATTR_RO(spm_target_dev_state); +static DEVICE_ATTR_RO(spm_target_link_state); static struct attribute *ufs_sysfs_ufshcd_attrs[] = { &dev_attr_rpm_lvl.attr, + &dev_attr_rpm_target_dev_state.attr, + &dev_attr_rpm_target_link_state.attr, &dev_attr_spm_lvl.attr, + &dev_attr_spm_target_dev_state.attr, + &dev_attr_spm_target_link_state.attr, NULL }; |