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From:   Stanley Chu <stanley.chu@mediatek.com>
To:     <linux-scsi@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <martin.petersen@oracle.com>, <avri.altman@wdc.com>,
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        <bvanassche@acm.org>
CC:     <peter.wang@mediatek.com>, <chun-hung.wu@mediatek.com>,
        <alice.chao@mediatek.com>, <powen.kao@mediatek.com>,
        <mason.zhang@mediatek.com>, <qilin.tan@mediatek.com>,
        <lin.gui@mediatek.com>, <eddie.huang@mediatek.com>,
        <tun-yu.yu@mediatek.com>, <cc.chou@mediatek.com>,
        <chaotian.jing@mediatek.com>, <jiajie.hao@mediatek.com>,
        <stanley.chu@mediatek.com>
Subject: [PATCH v3 01/10] scsi: ufs: Export ufshcd_uic_change_pwr_mode()
Date:   Tue, 14 Jun 2022 22:16:46 +0800
Message-ID: <20220614141655.14409-2-stanley.chu@mediatek.com>
In-Reply-To: <20220614141655.14409-1-stanley.chu@mediatek.com>
References: <20220614141655.14409-1-stanley.chu@mediatek.com>
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Export ufshcd_uic_change_pwr_mode() to allow vendors to
use it for SoC-specific power mode change design limitation.

Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
---
 drivers/ufs/core/ufshcd.c | 3 ++-
 include/ufs/ufshcd.h      | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 936a6d5467c9..19e17c898319 100755
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -4091,7 +4091,7 @@ static int ufshcd_uic_pwr_ctrl(struct ufs_hba *hba, struct uic_command *cmd)
  *
  * Returns 0 on success, non-zero value on failure
  */
-static int ufshcd_uic_change_pwr_mode(struct ufs_hba *hba, u8 mode)
+int ufshcd_uic_change_pwr_mode(struct ufs_hba *hba, u8 mode)
 {
 	struct uic_command uic_cmd = {0};
 	int ret;
@@ -4116,6 +4116,7 @@ static int ufshcd_uic_change_pwr_mode(struct ufs_hba *hba, u8 mode)
 out:
 	return ret;
 }
+EXPORT_SYMBOL_GPL(ufshcd_uic_change_pwr_mode);
 
 int ufshcd_link_recovery(struct ufs_hba *hba)
 {
diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h
index a92271421718..aa778418703f 100755
--- a/include/ufs/ufshcd.h
+++ b/include/ufs/ufshcd.h
@@ -1087,6 +1087,7 @@ 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);
+extern int ufshcd_uic_change_pwr_mode(struct ufs_hba *hba, u8 mode);
 
 /* UIC command interfaces for DME primitives */
 #define DME_LOCAL	0
-- 
2.18.0