X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=drivers%2Fusb%2Fmusb%2Fmusb_udc.c;h=e0b4217dc3f5060c1fe8d2489f452722d804b003;hb=f04821a8ca714459481bd9fd315af2b5f92d99a6;hp=09cdec31a98cddac72b5408551390861cbdb5db7;hpb=c594a8de4ed8635d06f5f1588da93c962e13110f;p=oweals%2Fu-boot.git

diff --git a/drivers/usb/musb/musb_udc.c b/drivers/usb/musb/musb_udc.c
index 09cdec31a9..e0b4217dc3 100644
--- a/drivers/usb/musb/musb_udc.c
+++ b/drivers/usb/musb/musb_udc.c
@@ -640,8 +640,17 @@ static void musb_peri_ep0(void)
 
 static void musb_peri_rx_ep(unsigned int ep)
 {
-	u16 peri_rxcount = readw(&musbr->ep[ep].epN.rxcount);
+	u16 peri_rxcount;
+	u8 peri_rxcsr = readw(&musbr->ep[ep].epN.rxcsr);
 
+	if (!(peri_rxcsr & MUSB_RXCSR_RXPKTRDY)) {
+		if (debug_level > 0)
+			serial_printf("ERROR : %s %d without MUSB_RXCSR_RXPKTRDY set\n",
+				      __PRETTY_FUNCTION__, ep);
+		return;
+	}
+
+	peri_rxcount = readw(&musbr->ep[ep].epN.rxcount);
 	if (peri_rxcount) {
 		struct usb_endpoint_instance *endpoint;
 		u32 length;