diff options
| author | Robert Jarzmik <robert.jarzmik@free.fr> | 2011-12-19 10:17:17 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-12-21 11:15:31 +0100 |
| commit | 58c2526c9dc7b01260b1d0d2d74d4f807ad764ad (patch) | |
| tree | e983c9d14f6daea6c64586ee31568d4198e6d35c /drivers/usb | |
| parent | c7dad7bc16489aaeeff4674fc54a6571e650f9a5 (diff) | |
| download | barebox-58c2526c9dc7b01260b1d0d2d74d4f807ad764ad.tar.gz | |
usb/gadget: add special treatment for PXA cpus
As PXA cpus suffer from a silicon bug which prevents them
from being compound devices, forbid use_acm=1 for PXAs.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/gadget/serial.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c index f6a712b1c4..8ba9ab59a3 100644 --- a/drivers/usb/gadget/serial.c +++ b/drivers/usb/gadget/serial.c @@ -179,6 +179,14 @@ static int __init gserial_init(void) /* We *could* export two configs; that'd be much cleaner... * but neither of these product IDs was defined that way. */ + + /* + * PXA CPU suffer a silicon bug which prevents them from being a + * compound device, forbiding the ACM configurations. + */ +#ifdef CONFIG_ARCH_PXA2XX + use_acm = 0; +#endif if (use_acm) { serial_config_driver.label = "CDC ACM config"; serial_config_driver.bConfigurationValue = 2; @@ -204,4 +212,3 @@ static int __init gserial_init(void) } late_initcall(gserial_init); - |