diff options
| author | Christian Lamparter | 2008-10-15 03:30:06 +0200 |
|---|---|---|
| committer | John W. Linville | 2008-10-23 00:11:04 +0200 |
| commit | 4cc683c9adbe644323e978bc63b2ab12606bb3c8 (patch) | |
| tree | 704ad578d9c0de182118b2610eed928c803a1991 /drivers/net/wireless | |
| parent | orinoco: reduce stack usage in firmware download path (diff) | |
| download | kernel-qcow2-linux-4cc683c9adbe644323e978bc63b2ab12606bb3c8.tar.gz kernel-qcow2-linux-4cc683c9adbe644323e978bc63b2ab12606bb3c8.tar.xz kernel-qcow2-linux-4cc683c9adbe644323e978bc63b2ab12606bb3c8.zip | |
p54: enable 2.4/5GHz spectrum by eeprom bits.
Badness at /home/proski/src/linux-2.6/net/mac80211/rx.c:2200
NIP: c02bc850 LR: c02ab268 CTR: 00000000
REGS: ef01fcc0 TRAP: 0700 Tainted: G W (2.6.27-wl)
MSR: 00029032 <EE,ME,IR,DR> CR: 22004084 XER: 20000000
TASK = c1a58800[1778] 'p54pci' THREAD: ef01e000
[...]
NIP [c02bc850] __ieee80211_rx+0x17c/0x638
LR [c02ab268] ieee80211_tasklet_handler+0x104/0x120
Call Trace:
[ef01fd70] [c1a0c020] 0xc1a0c020 (unreliable)
[ef01fdb0] [c02ab268] ieee80211_tasklet_handler+0x104/0x120
[...]
the problem was that some older cards are mis-identified and didn't support
5GHz rates, while they have the right MAC & Synth chip.
This patch changes the way how p54 decides if it should enable 11a channels
or not.
Reported-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/p54/p54common.c | 28 |
1 files changed, 10 insertions, 18 deletions
diff --git a/drivers/net/wireless/p54/p54common.c b/drivers/net/wireless/p54/p54common.c index 117c7d3a52b0..2d022f83774c 100644 --- a/drivers/net/wireless/p54/p54common.c +++ b/drivers/net/wireless/p54/p54common.c @@ -306,8 +306,8 @@ static int p54_convert_rev1(struct ieee80211_hw *dev, return 0; } -static const char *p54_rf_chips[] = { "NULL", "Indigo?", "Duette", - "Frisbee", "Xbow", "Longbow" }; +static const char *p54_rf_chips[] = { "NULL", "Duette3", "Duette2", + "Frisbee", "Xbow", "Longbow", "NULL", "NULL" }; static int p54_init_xbow_synth(struct ieee80211_hw *dev); static int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len) @@ -319,6 +319,7 @@ static int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len) void *tmp; int err; u8 *end = (u8 *)eeprom + len; + u16 synth; DECLARE_MAC_BUF(mac); wrap = (struct eeprom_pda_wrap *) eeprom; @@ -400,8 +401,8 @@ static int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len) tmp = entry->data; while ((u8 *)tmp < entry->data + data_len) { struct bootrec_exp_if *exp_if = tmp; - if (le16_to_cpu(exp_if->if_id) == 0xF) - priv->rxhw = le16_to_cpu(exp_if->variant) & 0x07; + if (le16_to_cpu(exp_if->if_id) == 0xf) + synth = le16_to_cpu(exp_if->variant); tmp += sizeof(struct bootrec_exp_if); } break; @@ -427,22 +428,13 @@ static int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len) goto err; } - switch (priv->rxhw) { - case 4: /* XBow */ + priv->rxhw = synth & 0x07; + if (priv->rxhw == 4) p54_init_xbow_synth(dev); - case 1: /* Indigo? */ - case 2: /* Duette */ - dev->wiphy->bands[IEEE80211_BAND_5GHZ] = &band_5GHz; - case 3: /* Frisbee */ - case 5: /* Longbow */ + if (!(synth & 0x40)) dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &band_2GHz; - break; - default: - printk(KERN_ERR "%s: unsupported RF-Chip\n", - wiphy_name(dev->wiphy)); - err = -EINVAL; - goto err; - } + if (!(synth & 0x80)) + dev->wiphy->bands[IEEE80211_BAND_5GHZ] = &band_5GHz; if (!is_valid_ether_addr(dev->wiphy->perm_addr)) { u8 perm_addr[ETH_ALEN]; |