Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=da7a42d60ba214937ddb35152f336a4e4baa49a6
Commit: da7a42d60ba214937ddb35152f336a4e4baa49a6
Parent: 1b41bdf68a72c1fd506ee3dbfbf954fd2eaef75c
Author: Christian Glindkamp <[EMAIL PROTECTED]>
AuthorDate: Thu Jan 3 12:15:23 2008 +0100
Committer: Russell King <[EMAIL PROTECTED]>
CommitDate: Sat Jan 26 15:00:33 2008 +0000
[ARM] 4738/1: at91sam9261: Remove udc pullup enabling in board
initialisation
Currently the udc pullup is enabled by default on boot. If the device
is connected to a host at this time, the host starts the negotiation
before the udc/gadget driver is ready to handle it.
Signed-off-by: Christian Glindkamp <[EMAIL PROTECTED]>
Acked-by: David Brownell <[EMAIL PROTECTED]>
Acked-by: Andrew Victor <[EMAIL PROTECTED]>
Signed-off-by: Russell King <[EMAIL PROTECTED]>
---
arch/arm/mach-at91/at91sam9261_devices.c | 6 +-----
1 files changed, 1 insertions(+), 5 deletions(-)
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c
b/arch/arm/mach-at91/at91sam9261_devices.c
index 57d7e3b..2456412 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -107,8 +107,6 @@ static struct platform_device at91sam9261_udc_device = {
void __init at91_add_device_udc(struct at91_udc_data *data)
{
- unsigned long x;
-
if (!data)
return;
@@ -117,9 +115,7 @@ void __init at91_add_device_udc(struct at91_udc_data *data)
at91_set_deglitch(data->vbus_pin, 1);
}
- /* Pullup pin is handled internally */
- x = at91_sys_read(AT91_MATRIX_USBPUCR);
- at91_sys_write(AT91_MATRIX_USBPUCR, x | AT91_MATRIX_USBPUCR_PUON);
+ /* Pullup pin is handled internally by USB device peripheral */
udc_data = *data;
platform_device_register(&at91sam9261_udc_device);
-
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