[PATCH v6 5/7] scsi: ufs: core: Export ufshcd_dme_reset() and ufshcd_dme_enable()

From: Shawn Lin <shawn.lin@rock-chips.com>
To: Rob Herring <robh+dt@kernel.org>,
	"James E . J . Bottomley" <James.Bottomley@HansenPartnership.com>,
	"Martin K . Petersen" <martin.petersen@oracle.com>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	Heiko Stuebner <heiko@sntech.de>,
	"Rafael J . Wysocki" <rafael@kernel.org>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
	Alim Akhtar <alim.akhtar@samsung.com>,
	Avri Altman <avri.altman@wdc.com>,
	Bart Van Assche <bvanassche@acm.org>,
	YiFeng Zhao <zyf@rock-chips.com>, Liang Chen <cl@rock-chips.com>,
	linux-scsi@vger.kernel.org, linux-rockchip@lists.infradead.org,
	devicetree@vger.kernel.org, linux-pm@vger.kernel.org,
	Shawn Lin <shawn.lin@rock-chips.com>
Subject: [PATCH v6 5/7] scsi: ufs: core: Export ufshcd_dme_reset() and ufshcd_dme_enable()
Date: Tue, 21 Jan 2025 11:00:25 +0800	[thread overview]
Message-ID: <1737428427-32393-6-git-send-email-shawn.lin@rock-chips.com> (raw)
In-Reply-To: <1737428427-32393-1-git-send-email-shawn.lin@rock-chips.com>

These two APIs will be used by glue driver if they need a different
HCE process.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---

Changes in v6:
- replace host drivers with glue drivers suggested by Mani
- add Main's review tag

Changes in v5: None
Changes in v4: None
Changes in v3: None
Changes in v2: None

 drivers/ufs/core/ufshcd.c | 6 ++++--
 include/ufs/ufshcd.h      | 2 ++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 6a26853..723080b 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -4014,7 +4014,7 @@ static int ufshcd_dme_link_startup(struct ufs_hba *hba)
  *
  * Return: 0 on success, non-zero value on failure.
  */
-static int ufshcd_dme_reset(struct ufs_hba *hba)
+int ufshcd_dme_reset(struct ufs_hba *hba)
 {
 	struct uic_command uic_cmd = {
 		.command = UIC_CMD_DME_RESET,
@@ -4028,6 +4028,7 @@ static int ufshcd_dme_reset(struct ufs_hba *hba)
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(ufshcd_dme_reset);
 
 int ufshcd_dme_configure_adapt(struct ufs_hba *hba,
 			       int agreed_gear,
@@ -4053,7 +4054,7 @@ EXPORT_SYMBOL_GPL(ufshcd_dme_configure_adapt);
  *
  * Return: 0 on success, non-zero value on failure.
  */
-static int ufshcd_dme_enable(struct ufs_hba *hba)
+int ufshcd_dme_enable(struct ufs_hba *hba)
 {
 	struct uic_command uic_cmd = {
 		.command = UIC_CMD_DME_ENABLE,
@@ -4067,6 +4068,7 @@ static int ufshcd_dme_enable(struct ufs_hba *hba)
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(ufshcd_dme_enable);
 
 static inline void ufshcd_add_delay_before_dme_cmd(struct ufs_hba *hba)
 {
diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h
index d7aca9e..e3fd40e 100644
--- a/include/ufs/ufshcd.h
+++ b/include/ufs/ufshcd.h
@@ -1357,6 +1357,8 @@ extern int ufshcd_system_thaw(struct device *dev);
 extern int ufshcd_system_restore(struct device *dev);
 #endif
 
+extern int ufshcd_dme_reset(struct ufs_hba *hba);
+extern int ufshcd_dme_enable(struct ufs_hba *hba);
 extern int ufshcd_dme_configure_adapt(struct ufs_hba *hba,
 				      int agreed_gear,
 				      int adapt_val);
-- 
2.7.4

