mmc: dw_mmc: rockchip: select proper card clock
authorXu Ziyuan <xzy.xu@rock-chips.com>
Sun, 16 Apr 2017 09:44:42 +0000 (17:44 +0800)
committerSimon Glass <sjg@chromium.org>
Wed, 10 May 2017 19:37:21 +0000 (13:37 -0600)
As you know, biu_clk is used for AMBA AHB/APB interface, ciu_clk is
used for communication between host and card devices. The real bus clock
is ciu, so let's rectify it.

Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
drivers/mmc/rockchip_dw_mmc.c

index c36eda0..b0e52b0 100644 (file)
@@ -44,7 +44,7 @@ static uint rockchip_dwmmc_get_mmc_clk(struct dwmci_host *host, uint freq)
 
        ret = clk_set_rate(&priv->clk, freq);
        if (ret < 0) {
-               debug("%s: err=%d\n", __func__, ret);
+               printf("%s: err=%d\n", __func__, ret);
                return ret;
        }
 
@@ -109,7 +109,7 @@ static int rockchip_dwmmc_probe(struct udevice *dev)
        if (ret < 0)
                return ret;
 #else
-       ret = clk_get_by_index(dev, 0, &priv->clk);
+       ret = clk_get_by_name(dev, "ciu", &priv->clk);
        if (ret < 0)
                return ret;
 #endif