mmc: tmio: move clk_enable() to each driver's probe function

[u-boot] / drivers / mmc / renesas-sdhi.c

diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c
index 56a43ca7d3ff15f3540cdff5aed4633fa7938609..8e49b2f73cc96308e6e990a69f73b1fe455b4e96 100644 (file)
--- a/drivers/mmc/renesas-sdhi.c
+++ b/drivers/mmc/renesas-sdhi.c
@@ -330,8 +330,10 @@ static const struct udevice_id renesas_sdhi_match[] = {
 
 static int renesas_sdhi_probe(struct udevice *dev)
 {
+       struct tmio_sd_priv *priv = dev_get_priv(dev);
        u32 quirks = dev_get_driver_data(dev);
        struct fdt_resource reg_res;
+       struct clk clk;
        DECLARE_GLOBAL_DATA_PTR;
        int ret;
 
@@ -348,6 +350,27 @@ static int renesas_sdhi_probe(struct udevice *dev)
                        quirks |= TMIO_SD_CAP_16BIT;
        }
 
+       ret = clk_get_by_index(dev, 0, &clk);
+       if (ret < 0) {
+               dev_err(dev, "failed to get host clock\n");
+               return ret;
+       }
+
+       /* set to max rate */
+       priv->mclk = clk_set_rate(&clk, ULONG_MAX);
+       if (IS_ERR_VALUE(priv->mclk)) {
+               dev_err(dev, "failed to set rate for host clock\n");
+               clk_free(&clk);
+               return priv->mclk;
+       }
+
+       ret = clk_enable(&clk);
+       clk_free(&clk);
+       if (ret) {
+               dev_err(dev, "failed to enable host clock\n");
+               return ret;
+       }
+
        ret = tmio_sd_probe(dev, quirks);
 #if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT)
        if (!ret)