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| author | Bart Van Assche <bvanassche@acm.org> | 2021-07-22 05:34:24 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-08-03 03:43:57 +0200 |
| commit | 9bb25e5d9d2948249631d3396f72e48035b4f380 (patch) | |
| tree | 7841208678ac74a058a1890634386580fa694b7c /drivers/scsi/ufs | |
| parent | scsi: ufs: Reduce power management code duplication (diff) | |
| download | linux-9bb25e5d9d2948249631d3396f72e48035b4f380.tar.xz linux-9bb25e5d9d2948249631d3396f72e48035b4f380.zip | |
scsi: ufs: Only include power management code if necessary
This patch slightly reduces the UFS driver size if built with power
management support disabled.
Link: https://lore.kernel.org/r/20210722033439.26550-4-bvanassche@acm.org
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Stanley Chu <stanley.chu@mediatek.com>
Cc: Can Guo <cang@codeaurora.org>
Cc: Asutosh Das <asutoshd@codeaurora.org>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Daejun Park <daejun7.park@samsung.com>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/ufs')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.c | 8 | ||||
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.h | 4 |
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index eff3c0eb9c1a..68180e8f9687 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -8805,6 +8805,7 @@ static void ufshcd_vreg_set_lpm(struct ufs_hba *hba) usleep_range(5000, 5100); } +#ifdef CONFIG_PM static int ufshcd_vreg_set_hpm(struct ufs_hba *hba) { int ret = 0; @@ -8832,6 +8833,7 @@ vcc_disable: out: return ret; } +#endif /* CONFIG_PM */ static void ufshcd_hba_vreg_set_lpm(struct ufs_hba *hba) { @@ -9239,6 +9241,7 @@ static int ufshcd_suspend(struct ufs_hba *hba) return ret; } +#ifdef CONFIG_PM /** * ufshcd_resume - helper function for resume operations * @hba: per adapter instance @@ -9276,7 +9279,9 @@ out: ufshcd_update_evt_hist(hba, UFS_EVT_RESUME_ERR, (u32)ret); return ret; } +#endif /* CONFIG_PM */ +#ifdef CONFIG_PM_SLEEP /** * ufshcd_system_suspend - system suspend callback * @dev: Device associated with the UFS controller. @@ -9332,7 +9337,9 @@ out: return ret; } EXPORT_SYMBOL(ufshcd_system_resume); +#endif /* CONFIG_PM_SLEEP */ +#ifdef CONFIG_PM /** * ufshcd_runtime_suspend - runtime suspend callback * @dev: Device associated with the UFS controller. @@ -9380,6 +9387,7 @@ int ufshcd_runtime_resume(struct device *dev) return ret; } EXPORT_SYMBOL(ufshcd_runtime_resume); +#endif /* CONFIG_PM */ /** * ufshcd_shutdown - shutdown routine diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 7da7b202f5c5..26f2128b8f3e 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -1030,10 +1030,14 @@ static inline u8 ufshcd_wb_get_query_index(struct ufs_hba *hba) return 0; } +#ifdef CONFIG_PM extern int ufshcd_runtime_suspend(struct device *dev); extern int ufshcd_runtime_resume(struct device *dev); +#endif +#ifdef CONFIG_PM_SLEEP extern int ufshcd_system_suspend(struct device *dev); extern int ufshcd_system_resume(struct device *dev); +#endif extern int ufshcd_shutdown(struct ufs_hba *hba); extern int ufshcd_dme_configure_adapt(struct ufs_hba *hba, int agreed_gear, |