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ufs: core: Add ufshcd_dme_enable() and ufshcd_dme_reset()

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In order for host drivers to use.

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Link: https://patch.msgid.link/1760948182-128561-1-git-send-email-shawn.lin@rock-chips.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
This commit is contained in:
Shawn Lin
2025-10-20 16:16:21 +08:00
committed by Neil Armstrong
parent c7327ac295
commit 84919722e6
2 changed files with 32 additions and 0 deletions
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30
drivers/ufs/ufs.c
View File

@@ -369,6 +369,36 @@ static int ufshcd_dme_link_startup(struct ufs_hba *hba)
return ret;
}
int ufshcd_dme_enable(struct ufs_hba *hba)
{
struct uic_command uic_cmd = {0};
int ret;
uic_cmd.command = UIC_CMD_DME_ENABLE;
ret = ufshcd_send_uic_cmd(hba, &uic_cmd);
if (ret)
dev_dbg(hba->dev,
"dme-enable: error code %d\n", ret);
return ret;
}
int ufshcd_dme_reset(struct ufs_hba *hba)
{
struct uic_command uic_cmd = {0};
int ret;
uic_cmd.command = UIC_CMD_DME_RESET;
ret = ufshcd_send_uic_cmd(hba, &uic_cmd);
if (ret)
dev_dbg(hba->dev,
"dme-reset: error code %d\n", ret);
return ret;
}
/**
* ufshcd_disable_intr_aggr - Disables interrupt aggregation.
*

2
drivers/ufs/ufs.h
View File

@@ -447,6 +447,8 @@ int ufshcd_dme_set_attr(struct ufs_hba *hba, u32 attr_sel,
u8 attr_set, u32 mib_val, u8 peer);
int ufshcd_dme_get_attr(struct ufs_hba *hba, u32 attr_sel,
u32 *mib_val, u8 peer);
int ufshcd_dme_enable(struct ufs_hba *hba);
int ufshcd_dme_reset(struct ufs_hba *hba);
static inline int ufshcd_dme_set(struct ufs_hba *hba, u32 attr_sel,
u32 mib_val)