diff options
| author | Arik Nemtsov <arik@wizery.com> | 2012-07-05 18:30:58 +0400 |
|---|---|---|
| committer | Luciano Coelho <coelho@ti.com> | 2012-07-18 16:08:21 +0400 |
| commit | 45777c49ec376f5325e9ebbca85ee3e71697b0d2 (patch) | |
| tree | 024711175b2af6210385ec7eed817134625aaaa1 /drivers/net/wireless | |
| parent | 097b0e1bf18a00195cd89bb13565ddbc9b0df942 (diff) | |
| download | linux-45777c49ec376f5325e9ebbca85ee3e71697b0d2.tar.xz | |
wl18xx: alloc conf.phy memory to ensure alignemnt
We get DMA alignment trouble if the beginning of the conf.phy struct is
not aligned to 4 bytes. Use kmemdup to ensure alignment.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/ti/wl18xx/main.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index b378b34c4a6a..8bb21b6458b8 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -772,16 +772,24 @@ out: static int wl18xx_set_mac_and_phy(struct wl1271 *wl) { struct wl18xx_priv *priv = wl->priv; + struct wl18xx_mac_and_phy_params *params; int ret; + params = kmemdup(&priv->conf.phy, sizeof(*params), GFP_KERNEL); + if (!params) { + ret = -ENOMEM; + goto out; + } + ret = wlcore_set_partition(wl, &wl->ptable[PART_PHY_INIT]); if (ret < 0) goto out; - ret = wlcore_write(wl, WL18XX_PHY_INIT_MEM_ADDR, (u8 *)&priv->conf.phy, - sizeof(struct wl18xx_mac_and_phy_params), false); + ret = wlcore_write(wl, WL18XX_PHY_INIT_MEM_ADDR, params, + sizeof(*params), false); out: + kfree(params); return ret; } |