linux-kernel - [RESENT PATCH RFC v3 2/5] scsi: ufs: make ufshcd_read_unit_desc

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Message-Id: <20200504142032.16619-3-beanhuo@micron.com>
Date:   Mon,  4 May 2020 16:20:29 +0200
From:   huobean@...il.com
To:     alim.akhtar@...sung.com, avri.altman@....com,
        asutoshd@...eaurora.org, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, stanley.chu@...iatek.com,
        beanhuo@...ron.com, bvanassche@....org, tomas.winkler@...el.com,
        cang@...eaurora.org, rdunlap@...radead.org
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        hch@...radead.org
Subject: [RESENT PATCH RFC v3 2/5] scsi: ufs: make ufshcd_read_unit_desc_param() non-static func

From: Bean Huo <beanhuo@...ron.com>

HPB driver needs to read unit descriptors through ufshcd_read_unit_desc_param(),
make it an extern Function.

Signed-off-by: Bean Huo <beanhuo@...ron.com>
---
 drivers/scsi/ufs/ufshcd.c | 8 +++-----
 drivers/scsi/ufs/ufshcd.h | 5 ++++-
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index de13d2333f1f..83ed2879d930 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -3326,11 +3326,9 @@ int ufshcd_read_string_desc(struct ufs_hba *hba, u8 desc_index,
  *
  * Return 0 in case of success, non-zero otherwise
  */
-static inline int ufshcd_read_unit_desc_param(struct ufs_hba *hba,
-					      int lun,
-					      enum unit_desc_param param_offset,
-					      u8 *param_read_buf,
-					      u32 param_size)
+int ufshcd_read_unit_desc_param(struct ufs_hba *hba, int lun,
+				enum unit_desc_param param_offset,
+				u8 *param_read_buf, u32 param_size)
 {
 	/*
 	 * Unit descriptors are only available for general purpose LUs (LUN id
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index 6ffc08ad85f6..7ce9cc2f10fe 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -856,7 +856,10 @@ extern int ufshcd_dme_set_attr(struct ufs_hba *hba, u32 attr_sel,
 extern int ufshcd_dme_get_attr(struct ufs_hba *hba, u32 attr_sel,
 			       u32 *mib_val, u8 peer);
 extern int ufshcd_config_pwr_mode(struct ufs_hba *hba,
-			struct ufs_pa_layer_attr *desired_pwr_mode);
+				  struct ufs_pa_layer_attr *desired_pwr_mode);
+extern int ufshcd_read_unit_desc_param(struct ufs_hba *hba, int lun,
+				       enum unit_desc_param param_offset,
+				       u8 *param_read_buf, u32 param_size);
 
 /* UIC command interfaces for DME primitives */
 #define DME_LOCAL	0
-- 
2.17.1