diff options
author | Grazvydas Ignotas <notasas@gmail.com> | 2010-03-11 17:44:57 +0200 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2010-03-15 15:32:03 -0400 |
commit | 3f9e750d130b4a4d9f8226642b46ed17d8357f40 (patch) | |
tree | 761497200ae8a5c2ca0ac3b7ce9b9e44dde23533 /drivers/net/wireless/wl12xx/wl1251.h | |
parent | 3c9cb9c38a1368b1e3f187f23c1a56883ec656c2 (diff) |
wl1251: fix ELP_CTRL register accesses when using SDIO
For some unknown reason ELP_CTRL can't be accesed using
sdio_memcpy_* functions (any attemts to do so result in timeouts):
wl1251: ERROR sdio write failed (-110)
wl1251: ERROR sdio read failed (-110)
wl1251: WARNING WLAN not ready
To fix this, add special IO functions for ELP_CTRL access that are
using sdio_readb/sdio_writeb. Similar handling is done in TI
reference driver from Android code drop.
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Cc: Bob Copeland <me@bobcopeland.com>
Acked-by: Kalle Valo <kalle.valo@iki.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1251.h')
-rw-r--r-- | drivers/net/wireless/wl12xx/wl1251.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1251.h b/drivers/net/wireless/wl12xx/wl1251.h index 37c61c19cae..4f5f02a26e6 100644 --- a/drivers/net/wireless/wl12xx/wl1251.h +++ b/drivers/net/wireless/wl12xx/wl1251.h @@ -256,6 +256,8 @@ struct wl1251_debugfs { struct wl1251_if_operations { void (*read)(struct wl1251 *wl, int addr, void *buf, size_t len); void (*write)(struct wl1251 *wl, int addr, void *buf, size_t len); + void (*read_elp)(struct wl1251 *wl, int addr, u32 *val); + void (*write_elp)(struct wl1251 *wl, int addr, u32 val); void (*reset)(struct wl1251 *wl); void (*enable_irq)(struct wl1251 *wl); void (*disable_irq)(struct wl1251 *wl); |