diff mbox series

[v15,16/19] scsi: ufs: Change the return type of ufshcd_auto_hibern8_update()

Message ID 20231114211804.1449162-17-bvanassche@acm.org
State New
Headers show
Series Improve write performance for zoned UFS devices​ | expand

Commit Message

Bart Van Assche Nov. 14, 2023, 9:16 p.m. UTC 
A later patch will introduce an error path in ufshcd_auto_hibern8_update().
Change the return type of that function before introducing calls to that
function in the host drivers such that the host drivers only have to be
modified once.

Reviewed-by: Bao D. Nguyen <quic_nguyenb@quicinc.com>
Reviewed-by: Can Guo <quic_cang@quicinc.com>
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 drivers/ufs/core/ufs-sysfs.c   | 2 +-
 drivers/ufs/core/ufshcd-priv.h | 1 -
 drivers/ufs/core/ufshcd.c      | 6 ++++--
 include/ufs/ufshcd.h           | 2 +-
 4 files changed, 6 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/drivers/ufs/core/ufs-sysfs.c b/drivers/ufs/core/ufs-sysfs.c
index c95906443d5f..a1554eac9bbc 100644
--- a/drivers/ufs/core/ufs-sysfs.c
+++ b/drivers/ufs/core/ufs-sysfs.c
@@ -203,7 +203,7 @@  static ssize_t auto_hibern8_store(struct device *dev,
 		goto out;
 	}
 
-	ufshcd_auto_hibern8_update(hba, ufshcd_us_to_ahit(timer));
+	ret = ufshcd_auto_hibern8_update(hba, ufshcd_us_to_ahit(timer));
 
 out:
 	up(&hba->host_sem);
diff --git a/drivers/ufs/core/ufshcd-priv.h b/drivers/ufs/core/ufshcd-priv.h
index f42d99ce5bf1..de8e891da36a 100644
--- a/drivers/ufs/core/ufshcd-priv.h
+++ b/drivers/ufs/core/ufshcd-priv.h
@@ -60,7 +60,6 @@  int ufshcd_query_attr(struct ufs_hba *hba, enum query_opcode opcode,
 		      enum attr_idn idn, u8 index, u8 selector, u32 *attr_val);
 int ufshcd_query_flag(struct ufs_hba *hba, enum query_opcode opcode,
 	enum flag_idn idn, u8 index, bool *flag_res);
-void ufshcd_auto_hibern8_update(struct ufs_hba *hba, u32 ahit);
 void ufshcd_compl_one_cqe(struct ufs_hba *hba, int task_tag,
 			  struct cq_entry *cqe);
 int ufshcd_mcq_init(struct ufs_hba *hba);
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index e80878a5d4e6..a4f25131a78c 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -4409,13 +4409,13 @@  static void ufshcd_configure_auto_hibern8(struct ufs_hba *hba)
 	ufshcd_writel(hba, hba->ahit, REG_AUTO_HIBERNATE_IDLE_TIMER);
 }
 
-void ufshcd_auto_hibern8_update(struct ufs_hba *hba, u32 ahit)
+int ufshcd_auto_hibern8_update(struct ufs_hba *hba, u32 ahit)
 {
 	unsigned long flags;
 	bool update = false;
 
 	if (!ufshcd_is_auto_hibern8_supported(hba))
-		return;
+		return 0;
 
 	spin_lock_irqsave(hba->host->host_lock, flags);
 	if (hba->ahit != ahit) {
@@ -4432,6 +4432,8 @@  void ufshcd_auto_hibern8_update(struct ufs_hba *hba, u32 ahit)
 		ufshcd_release(hba);
 		ufshcd_rpm_put_sync(hba);
 	}
+
+	return 0;
 }
 EXPORT_SYMBOL_GPL(ufshcd_auto_hibern8_update);
 
diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h
index 4156dc2b389b..513ecd485bb0 100644
--- a/include/ufs/ufshcd.h
+++ b/include/ufs/ufshcd.h
@@ -1360,7 +1360,7 @@  static inline int ufshcd_disable_host_tx_lcc(struct ufs_hba *hba)
 	return ufshcd_dme_set(hba, UIC_ARG_MIB(PA_LOCAL_TX_LCC_ENABLE), 0);
 }
 
-void ufshcd_auto_hibern8_update(struct ufs_hba *hba, u32 ahit);
+int ufshcd_auto_hibern8_update(struct ufs_hba *hba, u32 ahit);
 void ufshcd_fixup_dev_quirks(struct ufs_hba *hba,
 			     const struct ufs_dev_quirk *fixups);
 #define SD_ASCII_STD true