From 3203a82724b86cc221e63a519313544d5f192289 Mon Sep 17 00:00:00 2001 From: Jin Guojun <kid.jin@hisilicon.com> Date: Thu, 4 Aug 2016 10:16:13 +0800 Subject: [PATCH] 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 <kid.jin@hisilicon.com> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> --- drivers/mmc/host/dw_mmc-k3.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/mmc/host/dw_mmc-k3.c b/drivers/mmc/host/dw_mmc-k3.c index 8e9d886bfcda..624789496dce 100644 --- 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[] = {