diff options
| author | Marek Vasut <marek.vasut@gmail.com> | 2009-07-16 19:19:53 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-07-21 15:59:52 -0400 |
| commit | 154839962a582b8eb661cde94ef3af0e03b374d7 (patch) | |
| tree | 4b57392a715be59dd2bf5a2143113f27dacbef7d | |
| parent | 5d2214ac5e7f72c9ae70b2444649e8d1d3e1086d (diff) | |
libertas: Fix problem with broken V4 firmware on CF8381
Firmware V4 on CF8381 reports region code shifted by 1 byte to left.
The following patch checks for this and handles it properly.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/libertas/cmd.c | 8 | ||||
| -rw-r--r-- | drivers/net/wireless/libertas/defs.h | 2 |
2 files changed, 9 insertions, 1 deletions
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c index 01db705a38e..685098148e1 100644 --- a/drivers/net/wireless/libertas/cmd.c +++ b/drivers/net/wireless/libertas/cmd.c @@ -135,8 +135,14 @@ int lbs_update_hw_spec(struct lbs_private *priv) /* Clamp region code to 8-bit since FW spec indicates that it should * only ever be 8-bit, even though the field size is 16-bit. Some firmware * returns non-zero high 8 bits here. + * + * Firmware version 4.0.102 used in CF8381 has region code shifted. We + * need to check for this problem and handle it properly. */ - priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF; + if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V4) + priv->regioncode = (le16_to_cpu(cmd.regioncode) >> 8) & 0xFF; + else + priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF; for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) { /* use the region code to search for the index */ diff --git a/drivers/net/wireless/libertas/defs.h b/drivers/net/wireless/libertas/defs.h index 48da157d6cd..72f3479a4d7 100644 --- a/drivers/net/wireless/libertas/defs.h +++ b/drivers/net/wireless/libertas/defs.h @@ -234,6 +234,8 @@ static inline void lbs_deb_hex(unsigned int grp, const char *prompt, u8 *buf, in /** Mesh enable bit in FW capability */ #define MESH_CAPINFO_ENABLE_MASK (1<<16) +/** FW definition from Marvell v4 */ +#define MRVL_FW_V4 (0x04) /** FW definition from Marvell v5 */ #define MRVL_FW_V5 (0x05) /** FW definition from Marvell v10 */ |