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--- a/arch/avr32/boards/atstk1000/atstk1002.c
+++ b/arch/avr32/boards/atstk1000/atstk1002.c
@@ -99,6 +99,7 @@ static struct mtd_partition *nand_part_i
static struct atmel_nand_data atstk1006_nand_data __initdata = {
.cle = 21,
.ale = 22,
+ .det_pin = GPIO_PIN_NONE,
.rdy_pin = GPIO_PIN_PB(30),
.enable_pin = GPIO_PIN_PB(29),
.partition_info = nand_part_info,
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -1969,13 +1969,14 @@ at32_add_device_nand(unsigned int id, st
goto fail;
hmatrix_sfr_set_bits(HMATRIX_SLAVE_EBI, HMATRIX_EBI_NAND_ENABLE);
- if (data->enable_pin)
+
+ if (gpio_is_valid(data->enable_pin))
at32_select_gpio(data->enable_pin,
AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH);
- if (data->rdy_pin)
- at32_select_gpio(data->rdy_pin, 0);
- if (data->det_pin)
+ if (gpio_is_valid(data->det_pin))
at32_select_gpio(data->det_pin, 0);
+ if (gpio_is_valid(data->rdy_pin))
+ at32_select_gpio(data->rdy_pin, 0);
platform_device_add(pdev);
return pdev;
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