Commit fc85a74e authored by Stanley Chu's avatar Stanley Chu Committed by Martin K. Petersen
Browse files

scsi: ufs: Refactor ADAPT configuration function 

Several vendors are using same code to configure ADAPT settings for
HS-G4. Simply refactor it as common function.

Link: https://lore.kernel.org/r/20201116065054.7658-8-stanley.chu@mediatek.com


Reviewed-by: default avatarBean Huo <beanhuo@micron.com>
Signed-off-by: default avatarStanley Chu <stanley.chu@mediatek.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 85d6d3c1

drivers/scsi/ufs/ufshcd.c

+16 −0
Original line number Diff line number Diff line
@@ -3587,6 +3587,22 @@ static int ufshcd_dme_reset(struct ufs_hba *hba) 
	return ret;

}



int ufshcd_dme_configure_adapt(struct ufs_hba *hba,

			       int agreed_gear,

			       int adapt_val)

{

	int ret;



	if (agreed_gear != UFS_HS_G4)

		adapt_val = PA_INITIAL_ADAPT;



	ret = ufshcd_dme_set(hba,

			     UIC_ARG_MIB(PA_TXHSADAPTTYPE),

			     adapt_val);

	return ret;

}

EXPORT_SYMBOL_GPL(ufshcd_dme_configure_adapt);



/**

 * ufshcd_dme_enable - UIC command for DME_ENABLE

 * @hba: per adapter instance

drivers/scsi/ufs/ufshcd.h

+3 −0
Original line number Diff line number Diff line
@@ -956,6 +956,9 @@ extern int ufshcd_runtime_idle(struct ufs_hba *hba); 
extern int ufshcd_system_suspend(struct ufs_hba *hba);

extern int ufshcd_system_resume(struct ufs_hba *hba);

extern int ufshcd_shutdown(struct ufs_hba *hba);

extern int ufshcd_dme_configure_adapt(struct ufs_hba *hba,

				      int agreed_gear,

				      int adapt_val);

extern int ufshcd_dme_set_attr(struct ufs_hba *hba, u32 attr_sel,

			       u8 attr_set, u32 mib_val, u8 peer);

extern int ufshcd_dme_get_attr(struct ufs_hba *hba, u32 attr_sel,