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* [PATCH] s3c2410_udc: fix custom UDC command handling
@ 2011-06-16  8:04 Viliam Mateicka
  2011-06-20  8:25 ` Viliam Mateicka
  0 siblings, 1 reply; 15+ messages in thread
From: Viliam Mateicka @ 2011-06-16  8:04 UTC (permalink / raw)
  To: Ben Dooks, Kukjin Kim, David Brownell, Greg Kroah-Hartman,
	linux-arm-kernel, linux-usb, linux-kernel

There is a bug in Samsung's UDC driver, which is completely disabling
the USB device when a custom UDC command is used.
Following patch seems to get the right behavior (e.g. enabling pull-up
instead of disabling then Vcc is applied). Also I'm not in mailing
list so please CC me.

Greetingz,
Vilo

Signed-off-by: Viliam Mateicka <viliam.mateicka@gmail.com>

--- drivers/usb/gadget/s3c2410_udc.c.orig       2011-05-19
06:06:34.000000000 +0200
+++ drivers/usb/gadget/s3c2410_udc.c    2011-06-16 08:57:19.000000000 +0200
@@ -1566,7 +1566,7 @@ static void s3c2410_udc_command(enum s3c
                return;
        if (udc_info->udc_command) {
-               udc_info->udc_command(S3C2410_UDC_P_DISABLE);
+               udc_info->udc_command(cmd);
        } else if (gpio_is_valid(udc_info->pullup_pin)) {
                int value;

^ permalink raw reply	[flat|nested] 15+ messages in thread

end of thread, other threads:[~2011-06-20 19:05 UTC | newest]

Thread overview: 15+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2011-06-16  8:04 [PATCH] s3c2410_udc: fix custom UDC command handling Viliam Mateicka
2011-06-20  8:25 ` Viliam Mateicka
2011-06-20 15:07   ` Alan Stern
2011-06-20 15:15     ` Felipe Balbi
2011-06-20 15:20       ` Skacore Systems
2011-06-20 15:36         ` Felipe Balbi
2011-06-20 15:48           ` Skacore Systems
2011-06-20 15:57             ` Skacore Systems
2011-06-20 16:06               ` Felipe Balbi
2011-06-20 16:41                 ` Skacore Systems
2011-06-20 17:05                   ` Felipe Balbi
2011-06-20 17:27                     ` Viliam Mateicka
2011-06-20 17:34                       ` Felipe Balbi
2011-06-20 19:05                         ` Viliam Mateicka
2011-06-20 16:07               ` Jassi Brar

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