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
next prev parent reply other threads:[~2025-01-21 3:07 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-21 3:00 [PATCH v6 0/7] Initial support for RK3576 UFS controller Shawn Lin
2025-01-21 3:00 ` [PATCH v6 1/7] dt-bindings: ufs: Document Rockchip UFS host controller Shawn Lin
2025-01-21 4:34 ` Rob Herring (Arm)
2025-01-21 8:02 ` Krzysztof Kozlowski
2025-01-22 1:01 ` Shawn Lin
2025-01-21 3:00 ` [PATCH v6 2/7] soc: rockchip: add header for suspend mode SIP interface Shawn Lin
2025-01-21 3:00 ` [PATCH v6 3/7] pmdomain: core: Introduce dev_pm_genpd_rpm_always_on() Shawn Lin
2025-01-21 3:00 ` [PATCH v6 4/7] pmdomain: rockchip: Add smc call to inform firmware Shawn Lin
2025-01-21 3:00 ` Shawn Lin [this message]
2025-01-21 3:00 ` [PATCH v6 6/7] scsi: ufs: rockchip: initial support for UFS Shawn Lin
2025-02-01 15:34 ` Manivannan Sadhasivam
2025-01-21 3:00 ` [PATCH v6 7/7] arm64: dts: rockchip: Add UFS support for RK3576 SoC Shawn Lin
2025-02-01 15:35 ` Manivannan Sadhasivam
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