ARM: at91/boards: use -EINVAL for invalid gpio

this will allow to use gpio_is_valid

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>

1 files changed, 10 insertions, 2 deletions

diff --git a/arch/arm/mach-at91/board-stamp9g20.c b/arch/arm/mach-at91/board-stamp9g20.c
index f4b9b6f2b594..e8d3d5b88244 100644
--- a/arch/arm/mach-at91/board-stamp9g20.c
+++ b/arch/arm/mach-at91/board-stamp9g20.c
@@ -85,6 +85,7 @@ static struct atmel_nand_data __initdata nand_data = {
         .rdy_pin        = AT91_PIN_PC13,
         .enable_pin     = AT91_PIN_PC14,
         .bus_width_16   = 0,
+        .det_pin        = -EINVAL,
 };
 
 static struct sam9_smc_config __initdata nand_smc_config = {
@@ -122,12 +123,17 @@ static void __init add_device_nand(void)
 static struct mci_platform_data __initdata mmc_data = {
         .slot[0] = {
                 .bus_width      = 4,
+                .detect_pin     = -1;
+                .wp_pin         = -1;
         },
 };
 #else
 static struct at91_mmc_data __initdata mmc_data = {
         .slot_b         = 0,
         .wire4          = 1,
+        .det_pin        = -EINVAL,
+        .wp_pin         = -EINVAL,
+        .vcc_pin        = -EINVAL,
 };
 #endif
 
@@ -137,6 +143,8 @@ static struct at91_mmc_data __initdata mmc_data = {
  */
 static struct at91_usbh_data __initdata usbh_data = {
         .ports          = 2,
+        .vbus_pin       = {-EINVAL, -EINVAL},
+        .overcurrent_pin= {-EINVAL, -EINVAL},
 };
 
 
@@ -145,12 +153,12 @@ static struct at91_usbh_data __initdata usbh_data = {
  */
 static struct at91_udc_data __initdata portuxg20_udc_data = {
         .vbus_pin       = AT91_PIN_PC7,
-        .pullup_pin     = 0,            /* pull-up driven by UDC */
+        .pullup_pin     = -EINVAL,              /* pull-up driven by UDC */
 };
 
 static struct at91_udc_data __initdata stamp9g20evb_udc_data = {
         .vbus_pin       = AT91_PIN_PA22,
-        .pullup_pin     = 0,            /* pull-up driven by UDC */
+        .pullup_pin     = -EINVAL,              /* pull-up driven by UDC */
 };