arm: exynos: Squash bogus warnings in pinmux

[karo-tx-uboot.git] / arch / arm / cpu / armv7 / exynos / pinmux.c

diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c
index 645c497370294843beda48a5d28d3234dcc8c97c..9edb47502c411b4b6f500e25ffca6a6753d579de 100644 (file)
--- a/arch/arm/cpu/armv7/exynos/pinmux.c
+++ b/arch/arm/cpu/armv7/exynos/pinmux.c
@@ -39,6 +39,9 @@ static void exynos5_uart_config(int peripheral)
                start = 4;
                count = 2;
                break;
+       default:
+               debug("%s: invalid peripheral %d", __func__, peripheral);
+               return;
        }
        for (i = start; i < start + count; i++) {
                s5p_gpio_set_pull(bank, i, GPIO_PULL_NONE);
@@ -74,6 +77,9 @@ static void exynos5420_uart_config(int peripheral)
                start = 4;
                count = 2;
                break;
+       default:
+               debug("%s: invalid peripheral %d", __func__, peripheral);
+               return;
        }
 
        for (i = start; i < start + count; i++) {
@@ -110,6 +116,9 @@ static int exynos5_mmc_config(int peripheral, int flags)
                bank = &gpio1->c4;
                bank_ext = NULL;
                break;
+       default:
+               debug("%s: invalid peripheral %d", __func__, peripheral);
+               return -1;
        }
        if ((flags & PINMUX_FLAG_8BIT_MODE) && !bank_ext) {
                debug("SDMMC device %d does not support 8bit mode",
@@ -683,6 +692,9 @@ static void exynos4_uart_config(int peripheral)
                start = 4;
                count = 2;
                break;
+       default:
+               debug("%s: invalid peripheral %d", __func__, peripheral);
+               return;
        }
        for (i = start; i < start + count; i++) {
                s5p_gpio_set_pull(bank, i, GPIO_PULL_NONE);
@@ -741,6 +753,21 @@ int exynos_pinmux_config(int peripheral, int flags)
 }
 
 #ifdef CONFIG_OF_CONTROL
+static int exynos4_pinmux_decode_periph_id(const void *blob, int node)
+{
+       int err;
+       u32 cell[3];
+
+       err = fdtdec_get_int_array(blob, node, "interrupts", cell,
+                                       ARRAY_SIZE(cell));
+       if (err) {
+               debug(" invalid peripheral id\n");
+               return PERIPH_ID_NONE;
+       }
+
+       return cell[1];
+}
+
 static int exynos5_pinmux_decode_periph_id(const void *blob, int node)
 {
        int err;
@@ -758,6 +785,8 @@ int pinmux_decode_periph_id(const void *blob, int node)
 {
        if (cpu_is_exynos5())
                return  exynos5_pinmux_decode_periph_id(blob, node);
+       else if (cpu_is_exynos4())
+               return  exynos4_pinmux_decode_periph_id(blob, node);
        else
                return PERIPH_ID_NONE;
 }