On 02/05/2008 11:57 PM, Tino Keitel wrote:
> Hi,
> 
> I tried the current git (9ef9dc69d4167276c04590d67ee55de8380bc1ad) and
> got the following error message from ath5k:
> 
> ath5k_pci 0000:02:00.0: registered as 'phy0'
> ath5k phy0: failed to resume the MAC Chip
> ath5k_pci: probe of 0000:02:00.0 failed with error -5

We failed to resume after a hardware reset here for a whole second. Is there 
any 
version of ath5k which worked for you (is this a regression)?

> Here is the lspci -vnn output:
> 
> 02:00.0 Ethernet controller [0200]: Atheros Communications, Inc.
> AR5006EG 802.11 b/g Wireless PCI Express Adapter [168c:001c] (rev 01)
>       Subsystem: Apple Computer Inc. Unknown device [106b:0086]
>       Flags: fast devsel, IRQ 17
>       Memory at 90100000 (64-bit, non-prefetchable) [disabled]
>       [size=64K]
>       Capabilities: [40] Power Management version 2
>       Capabilities: [50] Message Signalled Interrupts: Mask- 64bit-
>       Queue=0/0 Enable-
>       Capabilities: [60] Express Legacy Endpoint, MSI 00
>       Capabilities: [90] MSI-X: Enable- Mask- TabSize=1
>       Capabilities: [100] Advanced Error Reporting <?>
>       Capabilities: [140] Virtual Channel <?>
>       Kernel modules: ath5k
> 
> The same device works with madwifi:
> 
> ath_rate_sample: 1.2 (svn r3339)
> MadWifi: ath_attach: Switching per-packet transmit power control off
> wifi0: 11a rates: 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps
> wifi0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
> wifi0: 11g rates: 1Mbps 2Mbps 5.5Mbps 11Mbps 6Mbps 9Mbps 12Mbps 18Mbps
> 24Mbps 36Mbps 48Mbps 54Mbps
> wifi0: turboG rates: 6Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps
> wifi0: H/W encryption support: WEP AES AES_CCM TKIP
> wifi0: ath_announce: Use hw queue 1 for WME_AC_BE traffic
> wifi0: ath_announce: Use hw queue 0 for WME_AC_BK traffic
> wifi0: ath_announce: Use hw queue 2 for WME_AC_VI traffic
> wifi0: ath_announce: Use hw queue 3 for WME_AC_VO traffic
> wifi0: ath_announce: Use hw queue 8 for CAB traffic
> wifi0: ath_announce: Use hw queue 9 for beacons
> ath_pci: wifi0: Atheros 5424/2424: mem=0x90100000, irq=17
> 
> I can also set the interface up and use iwlist ath0 scan.

Hmm, I guess madwif-old-openhal doesn't work either.

I suspect ath5k_hw_nic_wakeup being called before setting ah_single_chip in 
ath5k_hw_attach. Could you test the attached patch?

--

Signed-off-by: Jiri Slaby <[EMAIL PROTECTED]>
---
 drivers/net/wireless/ath5k/hw.c |   21 ++++++++++-----------
 1 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/net/wireless/ath5k/hw.c b/drivers/net/wireless/ath5k/hw.c
index 3a4bf40..b56d239 100644
--- a/drivers/net/wireless/ath5k/hw.c
+++ b/drivers/net/wireless/ath5k/hw.c
@@ -181,11 +181,6 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc, 
u8 mac_version)
        else if (ah->ah_version <= AR5K_AR5211)
                ah->ah_proc_rx_desc = ath5k_hw_proc_old_rx_status;
 
-       /* Bring device out of sleep and reset it's units */
-       ret = ath5k_hw_nic_wakeup(ah, AR5K_INIT_MODE, true);
-       if (ret)
-               goto err_free;
-
        /* Get MAC, PHY and RADIO revisions */
        srev = ath5k_hw_reg_read(ah, AR5K_SREV);
        ah->ah_mac_srev = srev;
@@ -210,12 +205,16 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc, 
u8 mac_version)
        }
 
        /* Identify single chip solutions */
-       if((srev <= AR5K_SREV_VER_AR5414) &&
-       (srev >= AR5K_SREV_VER_AR2424)) {
-               ah->ah_single_chip = true;
-       } else {
-               ah->ah_single_chip = false;
-       }
+       ah->ah_single_chip = !!(srev >= AR5K_SREV_VER_AR2424 &&
+                       srev <= AR5K_SREV_VER_AR5414);
+
+       printk(KERN_INFO "SINGLE: %d, srev: %x, phy:\n",
+                       ah->ah_single_chip, srev, ah->ah_phy_revision);
+
+       /* Bring device out of sleep and reset it's units */
+       ret = ath5k_hw_nic_wakeup(ah, AR5K_INIT_MODE, true);
+       if (ret)
+               goto err_free;
 
        /* Single chip radio */
        if (ah->ah_radio_2ghz_revision == ah->ah_radio_5ghz_revision)
-- 
1.5.3.8

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