mmc: dw_mmc: k3: UHS-SD card for Hisilicon Hikey

Hisilicon Hikey have no tuning function in dw_mmc-k3.c, so we must do the tuning function stub when we init UHS card. Signed-off-by: Jin Guojun <[email protected]> Signed-off-by: Jaehoon Chung <[email protected]> Signed-off-by: Ulf Hansson <[email protected]>
chewitt · Sep 26, 2016 · 3203a82 · 3203a82
1 parent e7a1dec
commit 3203a82
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/drivers/mmc/host/dw_mmc-k3.c b/drivers/mmc/host/dw_mmc-k3.c
@@ -131,11 +131,17 @@ static void dw_mci_hi6220_set_ios(struct dw_mci *host, struct mmc_ios *ios)
 	host->bus_hz = clk_get_rate(host->biu_clk);
 }
 
+static int dw_mci_hi6220_execute_tuning(struct dw_mci_slot *slot, u32 opcode)
+{
+	return 0;
+}
+
 static const struct dw_mci_drv_data hi6220_data = {
 	.caps			= dw_mci_hi6220_caps,
 	.switch_voltage		= dw_mci_hi6220_switch_voltage,
 	.set_ios		= dw_mci_hi6220_set_ios,
 	.parse_dt		= dw_mci_hi6220_parse_dt,
+	.execute_tuning		= dw_mci_hi6220_execute_tuning,
 };
 
 static const struct of_device_id dw_mci_k3_match[] = {