---

yaml --- r: 191726 b: refs/heads/master c: 7622537 h: refs/heads/master v: v3
git-mirror · May 5, 2010 · d4db75d · d4db75d
1 parent be04fa3
commit d4db75d
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e8faff7330a3501eafc9bfe5f4f15af444be29f5
+refs/heads/master: 762253741942d8ddbaca1c1ee62d7ed57544332b
diff --git a/trunk/drivers/usb/gadget/at91_udc.c b/trunk/drivers/usb/gadget/at91_udc.c
@@ -366,6 +366,13 @@ static int read_fifo (struct at91_ep *ep, struct at91_request *req)
 	if (is_done)
 		done(ep, req, 0);
 	else if (ep->is_pingpong) {
+		/*
+		 * One dummy read to delay the code because of a HW glitch:
+		 * CSR returns bad RXCOUNT when read too soon after updating
+		 * RX_DATA_BK flags.
+		 */
+		csr = __raw_readl(creg);
+
 		bufferspace -= count;
 		buf += count;
 		goto rescan;