diff options
Diffstat (limited to 'drivers/usb/gadget')
| -rw-r--r-- | drivers/usb/gadget/function/f_ncm.c | 10 | ||||
| -rw-r--r-- | drivers/usb/gadget/udc/omap_udc.c | 3 |
2 files changed, 11 insertions, 2 deletions
diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c index ca5d5f564998..28f4e6552e84 100644 --- a/drivers/usb/gadget/function/f_ncm.c +++ b/drivers/usb/gadget/function/f_ncm.c @@ -1338,7 +1338,15 @@ parse_ntb: "Parsed NTB with %d frames\n", dgram_counter); to_process -= block_len; - if (to_process != 0) { + + /* + * Windows NCM driver avoids USB ZLPs by adding a 1-byte + * zero pad as needed. + */ + if (to_process == 1 && + (*(unsigned char *)(ntb_ptr + block_len) == 0x00)) { + to_process--; + } else if ((to_process > 0) && (block_len != 0)) { ntb_ptr = (unsigned char *)(ntb_ptr + block_len); goto parse_ntb; } diff --git a/drivers/usb/gadget/udc/omap_udc.c b/drivers/usb/gadget/udc/omap_udc.c index 10c5d7f726a1..f90eeecf27de 100644 --- a/drivers/usb/gadget/udc/omap_udc.c +++ b/drivers/usb/gadget/udc/omap_udc.c @@ -2036,7 +2036,8 @@ static irqreturn_t omap_udc_iso_irq(int irq, void *_dev) static inline int machine_without_vbus_sense(void) { - return machine_is_omap_osk() || machine_is_sx1(); + return machine_is_omap_osk() || machine_is_omap_palmte() || + machine_is_sx1(); } static int omap_udc_start(struct usb_gadget *g, |