Re: [PATCH 03/12] ARM: at91/USB host: specify and handle properlyvbus_pin_active_low
From: Sergei Shtylyov
Date: Sat Mar 31 2012 - 17:53:51 EST
Hello.
On 29-03-2012 17:27, Nicolas Ferre wrote:
Due to an error while handling vbus_pin_active_low in ohci-at91 driver,
the specification of this property was not good in devices/board files.
Signed-off-by: Nicolas Ferre<nicolas.ferre@xxxxxxxxx>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD<plagnioj@xxxxxxxxxxxx>
Cc: stable<stable@xxxxxxxxxxxxxxx> [3.2+]
---
arch/arm/mach-at91/at91sam9263_devices.c | 3 ++-
arch/arm/mach-at91/at91sam9g45_devices.c | 6 ++++--
arch/arm/mach-at91/board-sam9263ek.c | 1 +
arch/arm/mach-at91/board-sam9m10g45ek.c | 1 +
4 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index 53688c4..5cdca89d 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -72,7 +72,8 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data)
/* Enable VBus control for UHP ports */
for (i = 0; i< data->ports; i++) {
if (gpio_is_valid(data->vbus_pin[i]))
- at91_set_gpio_output(data->vbus_pin[i], 0);
+ at91_set_gpio_output(data->vbus_pin[i],
+ data->vbus_pin_active_low[i] ^ 0);
Note that XOR with 0 is a nop, left operand doesn't change its value.
WBR, Sergei
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