diff options
| author | Arik Nemtsov <arik@wizery.com> | 2011-03-01 12:27:26 +0200 |
|---|---|---|
| committer | Luciano Coelho <coelho@ti.com> | 2011-03-03 16:20:25 +0200 |
| commit | 24225b37bd78d3e2edaa1a39316c54786adaa465 (patch) | |
| tree | 81870a5f482b2d672f25b04d6edc0d31efebcde0 /drivers/net/wireless/wl12xx/cmd.c | |
| parent | b16d4b6864e5bd7e5a6e5987f896003175235bca (diff) | |
| download | linux-24225b37bd78d3e2edaa1a39316c54786adaa465.tar.bz2 | |
wl12xx: wakeup chip from ELP during scan
Commands are sometimes sent to FW on scan completion. Make sure the chip
is awake to receive them. Sending commands while the chip is in ELP
can cause SDIO read errors and/or crash the FW.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Ido Yariv <ido@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Diffstat (limited to 'drivers/net/wireless/wl12xx/cmd.c')
| -rw-r--r-- | drivers/net/wireless/wl12xx/cmd.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/cmd.c b/drivers/net/wireless/wl12xx/cmd.c index 97ffd7aa57a8..f0aa7ab97bf7 100644 --- a/drivers/net/wireless/wl12xx/cmd.c +++ b/drivers/net/wireless/wl12xx/cmd.c @@ -63,6 +63,7 @@ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len, cmd->status = 0; WARN_ON(len % 4 != 0); + WARN_ON(test_bit(WL1271_FLAG_IN_ELP, &wl->flags)); wl1271_write(wl, wl->cmd_box_addr, buf, len, false); |