From ffd9a0fcbbed300b55f84e8397e96c2edd06cbdf Mon Sep 17 00:00:00 2001 From: Robert Baldyga Date: Tue, 28 Jul 2015 07:19:58 +0200 Subject: usb: gadget: add 'quirk_altset_not_supp' to usb_gadget Due to some UDC controllers may not support altsettings, usb gadget layer needs to provide a generic way to inform gadget functions about non-standard hardware limitations. This patch adds 'quirk_altset_not_supp' field to struct usb_gadget and helper function gadget_is_altset_supported(). It also sets 'quirk_altset_not_supp' to 1 in pxa25x_udc and pxa27x_udc drivers, which have such limitation. Signed-off-by: Robert Baldyga Signed-off-by: Felipe Balbi --- drivers/usb/gadget/udc/pxa25x_udc.c | 1 + drivers/usb/gadget/udc/pxa27x_udc.c | 1 + 2 files changed, 2 insertions(+) (limited to 'drivers/usb') diff --git a/drivers/usb/gadget/udc/pxa25x_udc.c b/drivers/usb/gadget/udc/pxa25x_udc.c index f6cbe66..27f9442 100644 --- a/drivers/usb/gadget/udc/pxa25x_udc.c +++ b/drivers/usb/gadget/udc/pxa25x_udc.c @@ -1176,6 +1176,7 @@ static void udc_reinit(struct pxa25x_udc *dev) INIT_LIST_HEAD (&dev->gadget.ep_list); INIT_LIST_HEAD (&dev->gadget.ep0->ep_list); dev->ep0state = EP0_IDLE; + dev->gadget.quirk_altset_not_supp = 1; /* basic endpoint records init */ for (i = 0; i < PXA_UDC_NUM_ENDPOINTS; i++) { diff --git a/drivers/usb/gadget/udc/pxa27x_udc.c b/drivers/usb/gadget/udc/pxa27x_udc.c index 042f06b..670ac0b 100644 --- a/drivers/usb/gadget/udc/pxa27x_udc.c +++ b/drivers/usb/gadget/udc/pxa27x_udc.c @@ -1710,6 +1710,7 @@ static void udc_init_data(struct pxa_udc *dev) INIT_LIST_HEAD(&dev->gadget.ep_list); INIT_LIST_HEAD(&dev->gadget.ep0->ep_list); dev->udc_usb_ep[0].pxa_ep = &dev->pxa_ep[0]; + dev->gadget.quirk_altset_not_supp = 1; ep0_idle(dev); /* PXA endpoints init */ -- cgit v1.1