CACHE: net: asix: Fix asix driver to work with data cache on

The asix driver did not align buffers, therefore it didn't work
with data cache enabled. Fix this.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Joe Hershberger <joe.hershberger@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@gmail.com>

diff --git a/drivers/usb/eth/asix.c b/drivers/usb/eth/asix.c
index a3bf51a..8fb7fc8 100644 (file)
--- a/drivers/usb/eth/asix.c
+++ b/drivers/usb/eth/asix.c
@@ -168,27 +168,28 @@ static inline int asix_set_hw_mii(struct ueth_data *dev)
 
 static int asix_mdio_read(struct ueth_data *dev, int phy_id, int loc)
 {
-       __le16 res;
+       ALLOC_CACHE_ALIGN_BUFFER(__le16, res, 1);
 
        asix_set_sw_mii(dev);
-       asix_read_cmd(dev, AX_CMD_READ_MII_REG, phy_id, (__u16)loc, 2, &res);
+       asix_read_cmd(dev, AX_CMD_READ_MII_REG, phy_id, (__u16)loc, 2, res);
        asix_set_hw_mii(dev);
 
        debug("asix_mdio_read() phy_id=0x%02x, loc=0x%02x, returns=0x%04x\n",
-                       phy_id, loc, le16_to_cpu(res));
+                       phy_id, loc, le16_to_cpu(*res));
 
-       return le16_to_cpu(res);
+       return le16_to_cpu(*res);
 }
 
 static void
 asix_mdio_write(struct ueth_data *dev, int phy_id, int loc, int val)
 {
-       __le16 res = cpu_to_le16(val);
+       ALLOC_CACHE_ALIGN_BUFFER(__le16, res, 1);
+       *res = cpu_to_le16(val);
 
        debug("asix_mdio_write() phy_id=0x%02x, loc=0x%02x, val=0x%04x\n",
                        phy_id, loc, val);
        asix_set_sw_mii(dev);
-       asix_write_cmd(dev, AX_CMD_WRITE_MII_REG, phy_id, (__u16)loc, 2, &res);
+       asix_write_cmd(dev, AX_CMD_WRITE_MII_REG, phy_id, (__u16)loc, 2, res);
        asix_set_hw_mii(dev);
 }
 
@@ -210,7 +211,8 @@ static int asix_sw_reset(struct ueth_data *dev, u8 flags)
 
 static inline int asix_get_phy_addr(struct ueth_data *dev)
 {
-       u8 buf[2];
+       ALLOC_CACHE_ALIGN_BUFFER(u8, buf, 2);
+
        int ret = asix_read_cmd(dev, AX_CMD_READ_PHY_ID, 0, 0, 2, buf);
 
        debug("asix_get_phy_addr()\n");
@@ -242,13 +244,14 @@ static int asix_write_medium_mode(struct ueth_data *dev, u16 mode)
 
 static u16 asix_read_rx_ctl(struct ueth_data *dev)
 {
-       __le16 v;
-       int ret = asix_read_cmd(dev, AX_CMD_READ_RX_CTL, 0, 0, 2, &v);
+       ALLOC_CACHE_ALIGN_BUFFER(__le16, v, 1);
+
+       int ret = asix_read_cmd(dev, AX_CMD_READ_RX_CTL, 0, 0, 2, v);
 
        if (ret < 0)
                debug("Error reading RX_CTL register: %02x\n", ret);
        else
-               ret = le16_to_cpu(v);
+               ret = le16_to_cpu(*v);
        return ret;
 }
 
@@ -313,7 +316,7 @@ static int mii_nway_restart(struct ueth_data *dev)
 static int asix_init(struct eth_device *eth, bd_t *bd)
 {
        int embd_phy;
-       unsigned char buf[ETH_ALEN];
+       ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buf, ETH_ALEN);
        u16 rx_ctl;
        struct ueth_data        *dev = (struct ueth_data *)eth->priv;
        int timeout = 0;
@@ -425,7 +428,8 @@ static int asix_send(struct eth_device *eth, void *packet, int length)
        int err;
        u32 packet_len;
        int actual_len;
-       unsigned char msg[PKTSIZE + sizeof(packet_len)];
+       ALLOC_CACHE_ALIGN_BUFFER(unsigned char, msg,
+               PKTSIZE + sizeof(packet_len));
 
        debug("** %s(), len %d\n", __func__, length);
 
@@ -452,7 +456,7 @@ static int asix_send(struct eth_device *eth, void *packet, int length)
 static int asix_recv(struct eth_device *eth)
 {
        struct ueth_data *dev = (struct ueth_data *)eth->priv;
-       static unsigned char  recv_buf[AX_RX_URB_SIZE];
+       ALLOC_CACHE_ALIGN_BUFFER(unsigned char, recv_buf, AX_RX_URB_SIZE);
        unsigned char *buf_ptr;
        int err;
        int actual_len;