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diff -Naur linux-4.7.3/arch/avr32/boards/grasshopper/Kconfig linux-4.7.3.grasshopper/arch/avr32/boards/grasshopper/Kconfig
--- linux-4.7.3/arch/avr32/boards/grasshopper/Kconfig 2016-09-20 11:22:36.665693605 +0200
+++ linux-4.7.3.grasshopper/arch/avr32/boards/grasshopper/Kconfig 2016-09-20 11:22:45.803816861 +0200
@@ -34,4 +34,14 @@
help
Enabling PWM channel 3 will exclude the power LED from LED API.
+config BOARD_GRASSHOPPER_MMC
+ bool "Enable MMC slot"
+ depends on MMC_ATMELMCI
+ default n
+
+config BOARD_GRASSHOPPER_MMCLED
+ bool "Show MMC acces on LED8"
+ depends on BOARD_GRASSHOPPER_MMC
+ default n
+
endif # BOARD_GRASSHOPPER
diff -Naur linux-4.7.3/arch/avr32/boards/grasshopper/led.c linux-4.7.3.grasshopper/arch/avr32/boards/grasshopper/led.c
--- linux-4.7.3/arch/avr32/boards/grasshopper/led.c 2016-09-20 11:17:36.448644161 +0200
+++ linux-4.7.3.grasshopper/arch/avr32/boards/grasshopper/led.c 2016-09-20 11:25:30.690040822 +0200
@@ -62,6 +62,9 @@
{
.name = "led8:green",
.gpio = GPIO_PIN_PA(30),
+#ifdef CONFIG_BOARD_GRASSHOPPER_MMCLED
+ .default_trigger = "mmc0",
+#endif
},
};
diff -Naur linux-4.7.3/arch/avr32/boards/grasshopper/setup.c linux-4.7.3.grasshopper/arch/avr32/boards/grasshopper/setup.c
--- linux-4.7.3/arch/avr32/boards/grasshopper/setup.c 2016-09-20 10:32:24.571984951 +0200
+++ linux-4.7.3.grasshopper/arch/avr32/boards/grasshopper/setup.c 2016-09-20 11:23:52.197712372 +0200
@@ -130,7 +130,7 @@
#endif
/* MCI */
-#ifdef CONFIG_MMC_ATMELMCI
+#ifdef CONFIG_BOARD_GRASSHOPPER_MMC
static struct mci_platform_data __initdata mci0_data = {
.slot[0] = {
.bus_width = 4,
@@ -168,8 +168,8 @@
ATMEL_LCDC_PRI_CONTROL | ATMEL_LCDC_PRI_24BIT);
#endif
-#ifdef CONFIG_MMC_ATMELMCI
-// at32_add_device_mci(0, &mci0_data); /* MMC/SD */
+#ifdef CONFIG_BOARD_GRASSHOPPER_MMC
+ at32_add_device_mci(0, &mci0_data); /* MMC/SD */
#endif
// printk("registering penirq gpio-pin...\n");
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