scsi: ufs: ufs-mediatek: Use common ADAPT configuration function

Use common ADAPT configuration function to reduce duplicated code in UFS
drivers.

Link: https://lore.kernel.org/r/20201116065054.7658-9-stanley.chu@mediatek.comReviewed-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/ufs/ufs-mediatek.c

@@ -677,7 +677,6 @@ static int ufs_mtk_pre_pwr_change(struct ufs_hba *hba,
 {
 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
 	struct ufs_dev_params host_cap;
-	u32 adapt_val;
 	int ret;
 
 	ufshcd_init_pwr_dev_param(&host_cap);
@@ -693,13 +692,9 @@ static int ufs_mtk_pre_pwr_change(struct ufs_hba *hba,
 	}
 
 	if (host->hw_ver.major >= 3) {
-		if (dev_req_params->gear_tx == UFS_HS_G4)
-			adapt_val = PA_INITIAL_ADAPT;
-		else
-			adapt_val = PA_NO_ADAPT;
-		ufshcd_dme_set(hba,
-			       UIC_ARG_MIB(PA_TXHSADAPTTYPE),
-			       adapt_val);
+		ret = ufshcd_dme_configure_adapt(hba,
+					   dev_req_params->gear_tx,
+					   PA_INITIAL_ADAPT);
 	}
 
 	return ret;