diff options
Diffstat (limited to 'drivers/usb/musb/tusb6010.c')
| -rw-r--r-- | drivers/usb/musb/tusb6010.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c index 4eb640c54f2c..9a7b5b2d7ccc 100644 --- a/drivers/usb/musb/tusb6010.c +++ b/drivers/usb/musb/tusb6010.c @@ -193,6 +193,7 @@ tusb_fifo_write_unaligned(void __iomem *fifo, const u8 *buf, u16 len) } if (len > 0) { /* Write the rest 1 - 3 bytes to FIFO */ + val = 0; memcpy(&val, buf, len); musb_writel(fifo, 0, val); } @@ -1107,6 +1108,11 @@ static int tusb_musb_init(struct musb *musb) /* dma address for async dma */ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!mem) { + pr_debug("no async dma resource?\n"); + ret = -ENODEV; + goto done; + } musb->async = mem->start; /* dma address for sync dma */ |