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| author | Nicolas Ferre <nicolas.ferre@atmel.com> | 2012-03-28 11:58:58 +0200 |
|---|---|---|
| committer | Nicolas Ferre <nicolas.ferre@atmel.com> | 2012-04-04 18:35:52 +0200 |
| commit | 0c2c1f624d4f99825851f0253f1308dd591df6ef (patch) | |
| tree | 0a0279e1e48ee8e0293fd4370d558dda803eb7d2 /arch/arm/mach-at91/at91sam9g45_devices.c | |
| parent | 9475375a5eb2ab9380e644d45173f67cbca0da80 (diff) | |
| download | lwn-0c2c1f624d4f99825851f0253f1308dd591df6ef.tar.gz lwn-0c2c1f624d4f99825851f0253f1308dd591df6ef.zip | |
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/at91sam9g45_devices.c')
| -rw-r--r-- | arch/arm/mach-at91/at91sam9g45_devices.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c index ddf210ab8d12..6b008aee1dff 100644 --- a/arch/arm/mach-at91/at91sam9g45_devices.c +++ b/arch/arm/mach-at91/at91sam9g45_devices.c @@ -133,7 +133,7 @@ void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data) /* Enable overcurrent notification */ for (i = 0; i < data->ports; i++) { - if (data->overcurrent_pin[i]) + if (gpio_is_valid(data->overcurrent_pin[i])) at91_set_gpio_input(data->overcurrent_pin[i], 1); } @@ -787,6 +787,9 @@ 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 |