smsc95xx: fix async register writes on big endian platforms

This patch fixes a missing endian conversion which results in the
interface failing to come up on BE platforms.

It also removes an unnecessary pointer dereference from this
function.

Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 9 insertions, 5 deletions

diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index a00dcc484f9c..9b736701f854 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -421,15 +421,19 @@ static int smsc95xx_write_eeprom(struct usbnet *dev, u32 offset, u32 length,
 }
 
 static int __must_check smsc95xx_write_reg_async(struct usbnet *dev, u16 index,
-                                                 u32 *data)
+                                                 u32 data)
 {
         const u16 size = 4;
+        u32 buf;
         int ret;
 
+        buf = data;
+        cpu_to_le32s(&buf);
+
         ret = usbnet_write_cmd_async(dev, USB_VENDOR_REQUEST_WRITE_REGISTER,
                                      USB_DIR_OUT | USB_TYPE_VENDOR |
                                      USB_RECIP_DEVICE,
-                                     0, index, data, size);
+                                     0, index, &buf, size);
         if (ret < 0)
                 netdev_warn(dev->net, "Error write async cmd, sts=%d\n",
                             ret);
@@ -490,15 +494,15 @@ static void smsc95xx_set_multicast(struct net_device *netdev)
         spin_unlock_irqrestore(&pdata->mac_cr_lock, flags);
 
         /* Initiate async writes, as we can't wait for completion here */
-        ret = smsc95xx_write_reg_async(dev, HASHH, &pdata->hash_hi);
+        ret = smsc95xx_write_reg_async(dev, HASHH, pdata->hash_hi);
         if (ret < 0)
                 netdev_warn(dev->net, "failed to initiate async write to HASHH\n");
 
-        ret = smsc95xx_write_reg_async(dev, HASHL, &pdata->hash_lo);
+        ret = smsc95xx_write_reg_async(dev, HASHL, pdata->hash_lo);
         if (ret < 0)
                 netdev_warn(dev->net, "failed to initiate async write to HASHL\n");
 
-        ret = smsc95xx_write_reg_async(dev, MAC_CR, &pdata->mac_cr);
+        ret = smsc95xx_write_reg_async(dev, MAC_CR, pdata->mac_cr);
         if (ret < 0)
                 netdev_warn(dev->net, "failed to initiate async write to MAC_CR\n");
 }