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authorNicolas Ferre <nicolas.ferre@atmel.com>2012-03-28 11:58:58 +0200
committerNicolas Ferre <nicolas.ferre@atmel.com>2012-04-04 18:35:52 +0200
commit0c2c1f624d4f99825851f0253f1308dd591df6ef (patch)
tree0a0279e1e48ee8e0293fd4370d558dda803eb7d2 /arch/arm/mach-at91/at91sam9260_devices.c
parent9475375a5eb2ab9380e644d45173f67cbca0da80 (diff)
downloadop-kernel-dev-0c2c1f624d4f99825851f0253f1308dd591df6ef.zip
op-kernel-dev-0c2c1f624d4f99825851f0253f1308dd591df6ef.tar.gz
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 <nicolas.ferre@atmel.com> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'arch/arm/mach-at91/at91sam9260_devices.c')
-rw-r--r--arch/arm/mach-at91/at91sam9260_devices.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index 7e5651e..5652dde 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -598,6 +598,9 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
else
cs_pin = spi1_standard_cs[devices[i].chip_select];
+ if (!gpio_is_valid(cs_pin))
+ continue;
+
if (devices[i].bus_num == 0)
enable_spi0 = 1;
else
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