diff options
| author | Eliad Peller <eliad@wizery.com> | 2012-11-20 11:20:02 (GMT) |
|---|---|---|
| committer | Luciano Coelho <coelho@ti.com> | 2012-11-27 08:48:20 (GMT) |
| commit | 18eab430700dc877bae38cf04f0b0574b4724f0a (patch) | |
| tree | 208748fe71b8fef0480d293fc359299990623439 /drivers/net/wireless/ti/wlcore | |
| parent | 3230f35e09f386ee604f55450dcd26098a3c4bc3 (diff) | |
| download | linux-fsl-qoriq-18eab430700dc877bae38cf04f0b0574b4724f0a.tar.xz | |
wlcore: workaround start_sta problem in wl12xx fw
for some reason, the wl12xx fw is not able to rx/tx
on the first start_sta cmd.
Workaround it by issuing a dummy start_sta + stop_sta
before starting the sta for the final time.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Reviewed-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Diffstat (limited to 'drivers/net/wireless/ti/wlcore')
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/main.c | 15 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/wlcore.h | 3 |
2 files changed, 17 insertions, 1 deletions
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 63367c0..054daae 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -2490,8 +2490,21 @@ static int wlcore_join(struct wl1271 *wl, struct wl12xx_vif *wlvif) if (is_ibss) ret = wl12xx_cmd_role_start_ibss(wl, wlvif); - else + else { + if (wl->quirks & WLCORE_QUIRK_START_STA_FAILS) { + /* + * TODO: this is an ugly workaround for wl12xx fw + * bug - we are not able to tx/rx after the first + * start_sta, so make dummy start+stop calls, + * and then call start_sta again. + * this should be fixed in the fw. + */ + wl12xx_cmd_role_start_sta(wl, wlvif); + wl12xx_cmd_role_stop_sta(wl, wlvif); + } + ret = wl12xx_cmd_role_start_sta(wl, wlvif); + } return ret; } diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index 68584aa..1030b6b 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -450,6 +450,9 @@ wlcore_set_min_fw_ver(struct wl1271 *wl, unsigned int chip, /* Each RX/TX transaction requires an end-of-transaction transfer */ #define WLCORE_QUIRK_END_OF_TRANSACTION BIT(0) +/* the first start_role(sta) sometimes doesn't work on wl12xx */ +#define WLCORE_QUIRK_START_STA_FAILS BIT(1) + /* wl127x and SPI don't support SDIO block size alignment */ #define WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN BIT(2) |