mmc: meson-gx: remove member parent_mux from struct meson_host

Member mux_parent isn't used outside meson_mmc_clk_init. So remove it
and replace it with a local variable in meson_mmc_clk_init.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
index ea2db3c..68e76fa 100644 (file)
--- a/drivers/mmc/host/meson-gx-mmc.c
+++ b/drivers/mmc/host/meson-gx-mmc.c
@@ -130,7 +130,6 @@ struct meson_host {
        struct clk *core_clk;
        struct clk_mux mux;
        struct clk *mux_clk;
-       struct clk *mux_parent[MUX_CLK_NUM_PARENTS];
        unsigned long current_clock;
 
        struct clk_divider cfg_div;
@@ -247,19 +246,18 @@ static int meson_mmc_clk_init(struct meson_host *host)
 
        /* get the mux parents */
        for (i = 0; i < MUX_CLK_NUM_PARENTS; i++) {
+               struct clk *clk;
                char name[16];
 
                snprintf(name, sizeof(name), "clkin%d", i);
-               host->mux_parent[i] = devm_clk_get(host->dev, name);
-               if (IS_ERR(host->mux_parent[i])) {
-                       ret = PTR_ERR(host->mux_parent[i]);
-                       if (PTR_ERR(host->mux_parent[i]) != -EPROBE_DEFER)
+               clk = devm_clk_get(host->dev, name);
+               if (IS_ERR(clk)) {
+                       if (clk != ERR_PTR(-EPROBE_DEFER))
                                dev_err(host->dev, "Missing clock %s\n", name);
-                       host->mux_parent[i] = NULL;
-                       return ret;
+                       return PTR_ERR(clk);
                }
 
-               mux_parent_names[i] = __clk_get_name(host->mux_parent[i]);
+               mux_parent_names[i] = __clk_get_name(clk);
        }
 
        /* create the mux */