diff options
| -rw-r--r-- | drivers/scsi/ufs/ufs-sysfs.c | 15 | ||||
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.c | 14 | ||||
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.h | 2 |
3 files changed, 18 insertions, 13 deletions
diff --git a/drivers/scsi/ufs/ufs-sysfs.c b/drivers/scsi/ufs/ufs-sysfs.c index 969a36b15897..ad2abc96c0f1 100644 --- a/drivers/scsi/ufs/ufs-sysfs.c +++ b/drivers/scsi/ufs/ufs-sysfs.c @@ -126,13 +126,16 @@ static void ufshcd_auto_hibern8_update(struct ufs_hba *hba, u32 ahit) return; spin_lock_irqsave(hba->host->host_lock, flags); - if (hba->ahit == ahit) - goto out_unlock; - hba->ahit = ahit; - if (!pm_runtime_suspended(hba->dev)) - ufshcd_writel(hba, hba->ahit, REG_AUTO_HIBERNATE_IDLE_TIMER); -out_unlock: + if (hba->ahit != ahit) + hba->ahit = ahit; spin_unlock_irqrestore(hba->host->host_lock, flags); + if (!pm_runtime_suspended(hba->dev)) { + pm_runtime_get_sync(hba->dev); + ufshcd_hold(hba, false); + ufshcd_auto_hibern8_enable(hba); + ufshcd_release(hba); + pm_runtime_put(hba->dev); + } } /* Convert Auto-Hibernate Idle Timer register value to microseconds */ diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index e644e1e29c91..7bba6bb45035 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -3947,7 +3947,7 @@ static int ufshcd_uic_hibern8_exit(struct ufs_hba *hba) return ret; } -static void ufshcd_auto_hibern8_enable(struct ufs_hba *hba) +void ufshcd_auto_hibern8_enable(struct ufs_hba *hba) { unsigned long flags; @@ -6884,9 +6884,6 @@ static int ufshcd_probe_hba(struct ufs_hba *hba) /* UniPro link is active now */ ufshcd_set_link_active(hba); - /* Enable Auto-Hibernate if configured */ - ufshcd_auto_hibern8_enable(hba); - ret = ufshcd_verify_dev_init(hba); if (ret) goto out; @@ -6937,6 +6934,9 @@ static int ufshcd_probe_hba(struct ufs_hba *hba) /* set the state as operational after switching to desired gear */ hba->ufshcd_state = UFSHCD_STATE_OPERATIONAL; + /* Enable Auto-Hibernate if configured */ + ufshcd_auto_hibern8_enable(hba); + /* * If we are in error handling context or in power management callbacks * context, no need to scan the host @@ -7954,12 +7954,12 @@ static int ufshcd_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op) if (hba->clk_scaling.is_allowed) ufshcd_resume_clkscaling(hba); - /* Schedule clock gating in case of no access to UFS device yet */ - ufshcd_release(hba); - /* Enable Auto-Hibernate if configured */ ufshcd_auto_hibern8_enable(hba); + /* Schedule clock gating in case of no access to UFS device yet */ + ufshcd_release(hba); + goto out; set_old_link_state: diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index e0fe247c719e..2740f6941ec6 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -926,6 +926,8 @@ int ufshcd_query_attr(struct ufs_hba *hba, enum query_opcode opcode, int ufshcd_query_flag(struct ufs_hba *hba, enum query_opcode opcode, enum flag_idn idn, bool *flag_res); +void ufshcd_auto_hibern8_enable(struct ufs_hba *hba); + #define SD_ASCII_STD true #define SD_RAW false int ufshcd_read_string_desc(struct ufs_hba *hba, u8 desc_index, |