From 0c2c1f624d4f99825851f0253f1308dd591df6ef Mon Sep 17 00:00:00 2001 From: Nicolas Ferre Date: Wed, 28 Mar 2012 11:58:58 +0200 Subject: ARM: at91: fix check of valid GPIO for SPI and USB SPI chip select pins have to be checked by gpio_is_valid(). The USB host overcurrent_pin checking was missing. Signed-off-by: Nicolas Ferre Acked-by: Jean-Christophe PLAGNIOL-VILLARD --- arch/arm/mach-at91/at91sam9rl_devices.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'arch/arm/mach-at91/at91sam9rl_devices.c') diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c index eda72e83037d..fe4ae22e8561 100644 --- a/arch/arm/mach-at91/at91sam9rl_devices.c +++ b/arch/arm/mach-at91/at91sam9rl_devices.c @@ -419,6 +419,9 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) else cs_pin = spi_standard_cs[devices[i].chip_select]; + if (!gpio_is_valid(cs_pin)) + continue; + /* enable chip-select pin */ at91_set_gpio_output(cs_pin, 1); -- cgit v1.2.3