mmc: stm32_sdmmc2: avoid warnings when building with W=1 option

This patch solves warnings detected by setting W=1 when building.

Warnings type detected:
 - [-Wmissing-prototypes]
 - [-Wimplicit-fallthrough=]

Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>

diff --git a/drivers/mmc/stm32_sdmmc2.c b/drivers/mmc/stm32_sdmmc2.c
index ed31ca1..867ed56 100644 (file)
--- a/drivers/mmc/stm32_sdmmc2.c
+++ b/drivers/mmc/stm32_sdmmc2.c
@@ -669,6 +669,7 @@ static int stm32_sdmmc2_probe(struct udevice *dev)
        switch (dev_read_u32_default(dev, "bus-width", 1)) {
        case 8:
                cfg->host_caps |= MMC_MODE_8BIT;
+               /* fall through */
        case 4:
                cfg->host_caps |= MMC_MODE_4BIT;
                break;
@@ -692,7 +693,7 @@ clk_free:
        return ret;
 }
 
-int stm32_sdmmc_bind(struct udevice *dev)
+static int stm32_sdmmc_bind(struct udevice *dev)
 {
        struct stm32_sdmmc2_plat *plat = dev_get_platdata(dev);