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These helpers are needed by platform drivers that must program the controller HCLK divider and verify link state during their vendor-specific initialization flows. Signed-off-by: Larisa Grigore Reviewed-by: Frank Li --- drivers/ufs/host/ufshcd-dwc.c | 6 ++++-- drivers/ufs/host/ufshcd-dwc.h | 2 ++ 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/ufs/host/ufshcd-dwc.c b/drivers/ufs/host/ufshcd-dwc.c index 82b03b926e77..977b368474b0 100644 --- a/drivers/ufs/host/ufshcd-dwc.c +++ b/drivers/ufs/host/ufshcd-dwc.c @@ -39,10 +39,11 @@ EXPORT_SYMBOL(ufshcd_dwc_dme_set_attrs); * @divider_val: clock divider value to be programmed * */ -static void ufshcd_dwc_program_clk_div(struct ufs_hba *hba, u32 divider_val) +void ufshcd_dwc_program_clk_div(struct ufs_hba *hba, u32 divider_val) { ufshcd_writel(hba, divider_val, DWC_UFS_REG_HCLKDIV); } +EXPORT_SYMBOL(ufshcd_dwc_program_clk_div); /** * ufshcd_dwc_link_is_up() - check if link is up. @@ -50,7 +51,7 @@ static void ufshcd_dwc_program_clk_div(struct ufs_hba *hba, u32 divider_val) * * Return: 0 on success, a negative errno value on failure. */ -static int ufshcd_dwc_link_is_up(struct ufs_hba *hba) +int ufshcd_dwc_link_is_up(struct ufs_hba *hba) { int dme_result = 0; int ret; @@ -66,6 +67,7 @@ static int ufshcd_dwc_link_is_up(struct ufs_hba *hba) return -ENOLINK; } +EXPORT_SYMBOL(ufshcd_dwc_link_is_up); /** * ufshcd_dwc_connection_setup() - configure unipro attributes. diff --git a/drivers/ufs/host/ufshcd-dwc.h b/drivers/ufs/host/ufshcd-dwc.h index d8673cd54d4c..53b523ef59df 100644 --- a/drivers/ufs/host/ufshcd-dwc.h +++ b/drivers/ufs/host/ufshcd-dwc.h @@ -47,4 +47,6 @@ int ufshcd_dwc_dme_set_attrs(struct ufs_hba *hba, const struct ufshcd_dme_attr_val *v, int n); int ufshcd_dwc_phy_reg_write(struct ufs_hba *hba, u32 addr, u32 val); int ufshcd_dwc_phy_reg_read(struct ufs_hba *hba, u32 addr, u32 *val); +int ufshcd_dwc_link_is_up(struct ufs_hba *hba); +void ufshcd_dwc_program_clk_div(struct ufs_hba *hba, u32 divider_val); #endif /* End of Header */ -- 2.43.0