From fa2a320a42f7f8cdaec1e761ce3e645089b68747 Mon Sep 17 00:00:00 2001
From: Fabian Godehardt <fg@emlix.com>
Date: Mon, 7 Feb 2011 12:53:05 +0200
Subject: [PATCH] --- yaml --- r: 235309 b: refs/heads/master c:
 16f08a08d8148945022eb7d5ebb89e6ee8029f91 h: refs/heads/master i:   235307:
 d6ccf0ecb442ce39081e62383207b771c48f6071 v: v3

---
 [refs]                                 |  2 +-
 trunk/drivers/usb/gadget/s3c2410_udc.c | 16 +++++++++++++++-
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 186a5b7b352b..a383d3127ad7 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c17f459c6ea5b569825445279fa21adb3cf3067f
+refs/heads/master: 16f08a08d8148945022eb7d5ebb89e6ee8029f91
diff --git a/trunk/drivers/usb/gadget/s3c2410_udc.c b/trunk/drivers/usb/gadget/s3c2410_udc.c
index c2448950a8d8..2b025200a69a 100644
--- a/trunk/drivers/usb/gadget/s3c2410_udc.c
+++ b/trunk/drivers/usb/gadget/s3c2410_udc.c
@@ -902,7 +902,7 @@ static irqreturn_t s3c2410_udc_irq(int dummy, void *_dev)
 	int pwr_reg;
 	int ep0csr;
 	int i;
-	u32 idx;
+	u32 idx, idx2;
 	unsigned long flags;
 
 	spin_lock_irqsave(&dev->lock, flags);
@@ -1017,6 +1017,20 @@ static irqreturn_t s3c2410_udc_irq(int dummy, void *_dev)
 		}
 	}
 
+	/* what else causes this interrupt? a receive! who is it? */
+	if (!usb_status && !usbd_status && !pwr_reg && !ep0csr) {
+		for (i = 1; i < S3C2410_ENDPOINTS; i++) {
+			idx2 = udc_read(S3C2410_UDC_INDEX_REG);
+			udc_write(i, S3C2410_UDC_INDEX_REG);
+
+			if (udc_read(S3C2410_UDC_OUT_CSR1_REG) & 0x1)
+				s3c2410_udc_handle_ep(&dev->ep[i]);
+
+			/* restore index */
+			udc_write(idx2, S3C2410_UDC_INDEX_REG);
+		}
+	}
+
 	dprintk(DEBUG_VERBOSE, "irq: %d s3c2410_udc_done.\n", IRQ_USBD);
 
 	/* Restore old index */