From: Dan Carpenter <error27@gmail.com>
Date: Sun, 20 Mar 2011 11:18:26 +0000 (+0300)
Subject: USB: musb: dereferencing an iomem pointer
X-Git-Tag: v2.6.39-rc4~16^2~33^2~4
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=2e10f5e70f670d981f789075e3ebc394f5bb51e3;p=~emulex%2Finfiniband.git

USB: musb: dereferencing an iomem pointer

"tx_ram" points to io memory.  We can't dereference it directly.  Sparse
complains about this: "drivers/usb/musb/cppi_dma.c:1205:25: warning:
dereference of noderef expression"

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
---

diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c
index eb9161ae57a..ab434fbd8c3 100644
--- a/drivers/usb/musb/cppi_dma.c
+++ b/drivers/usb/musb/cppi_dma.c
@@ -1204,7 +1204,7 @@ irqreturn_t cppi_interrupt(int irq, void *dev_id)
 		 */
 		if (NULL == bd) {
 			DBG(1, "null BD\n");
-			tx_ram->tx_complete = 0;
+			musb_writel(&tx_ram->tx_complete, 0, 0);
 			continue;
 		}