[v2,1/3] scsi: ufs: core: Export ufshcd_dme_link_startup() helper

Commit Message

Shawn Lin Aug. 8, 2024, 3:52 a.m. UTC

Export it for host drivers.

Signed-off-by: Shawn Lin <[e-mail]>
---

Changes in v2: None

 drivers/ufs/core/ufshcd.c | 4 +++-
 include/ufs/ufshcd.h      | 1 +
 2 files changed, 4 insertions(+), 1 deletion(-)

Comments

Bart Van Assche Aug. 9, 2024, 6:27 p.m. UTC | #1

On 8/7/24 8:52 PM, Shawn Lin wrote:
> Export it for host drivers.

That's a very short patch description. Please explain in the patch
description why your host driver is the only host driver that needs to
call this function.

Thanks,

Bart.

Patch

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 8f4abc5..e09f004 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -4019,7 +4019,7 @@  static void ufshcd_host_memory_configure(struct ufs_hba *hba)
  *
  * Return: 0 on success, non-zero value on failure.
  */
-static int ufshcd_dme_link_startup(struct ufs_hba *hba)
+int ufshcd_dme_link_startup(struct ufs_hba *hba)
 {
 	struct uic_command uic_cmd = {
 		.command = UIC_CMD_DME_LINK_STARTUP,
@@ -4032,6 +4032,8 @@  static int ufshcd_dme_link_startup(struct ufs_hba *hba)
 			"dme-link-startup: error code %d\n", ret);
 	return ret;
 }
+EXPORT_SYMBOL_GPL(ufshcd_dme_link_startup);
+
 /**
  * ufshcd_dme_reset - UIC command for DME_RESET
  * @hba: per adapter instance
diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h
index cac0cdb..8bc28c1 100644
--- a/include/ufs/ufshcd.h
+++ b/include/ufs/ufshcd.h
@@ -1432,6 +1432,7 @@  int ufshcd_read_string_desc(struct ufs_hba *hba, u8 desc_index,
 void ufshcd_hold(struct ufs_hba *hba);
 void ufshcd_release(struct ufs_hba *hba);
 
+int ufshcd_dme_link_startup(struct ufs_hba *hba);
 void ufshcd_clkgate_delay_set(struct device *dev, unsigned long value);
 
 int ufshcd_get_vreg(struct device *dev, struct ufs_vreg *vreg);