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-rw-r--r--drivers/usb/gadget/udc/pxa25x_udc.c1
-rw-r--r--drivers/usb/gadget/udc/pxa27x_udc.c1
-rw-r--r--include/linux/usb/gadget.h11
3 files changed, 13 insertions, 0 deletions
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 */
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index cea0511..31be84b 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -572,6 +572,7 @@ struct usb_gadget {
unsigned a_hnp_support:1;
unsigned a_alt_hnp_support:1;
unsigned quirk_ep_out_aligned_size:1;
+ unsigned quirk_altset_not_supp:1;
unsigned is_selfpowered:1;
unsigned deactivated:1;
unsigned connected:1;
@@ -610,6 +611,16 @@ usb_ep_align_maybe(struct usb_gadget *g, struct usb_ep *ep, size_t len)
}
/**
+ * gadget_is_altset_supported - return true iff the hardware supports
+ * altsettings
+ * @g: controller to check for quirk
+ */
+static inline int gadget_is_altset_supported(struct usb_gadget *g)
+{
+ return !g->quirk_altset_not_supp;
+}
+
+/**
* gadget_is_dualspeed - return true iff the hardware handles high speed
* @g: controller that might support both high and full speeds
*/
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