On Sat, Nov 14, 2009 at 1:15 AM, hong zhang <henryzhang62@xxxxxxxxx> wrote: > I add printk() in following and device_id is correct 0x9271 but becomes 0x0 in ath9k_hw_init(ah). see log right after two functions. > > static int ath_init_htc_priv(u16 devid, struct ath_htc_priv *priv) > { > ....................... > ath_print(common, ATH_DBG_CONFIG, "HW about to be initialized...\n"); > printk("%s ah->hw_version.devid = %x,ah->ptr = %p\n", __FUNCTION__, ah->hw_version.devid, ah); > > r = ath9k_hw_init(ah); > if (r) > goto failed_hw_init; > .......... > } > > int ath9k_hw_init(struct ath_hw *ah) > { > struct ath_common *common = ath9k_hw_common(ah); > int r = 0; > printk("%s ah->hw_version.devid = %x,ah->ptr = %p\n", __FUNCTION__, ah->hw_version.devid, ah); > if (!ath9k_hw_devid_supported(ah->hw_version.devid)) { > ath_print(common, ATH_DBG_FATAL, > "Unsupported device ID: 0x%0x\n", > ah->hw_version.devid); > return -EOPNOTSUPP; > } > .......... > > } > > [ 13.862493] ath_htc_hw_probe target->device_id = 9271 > [ 13.862497] probe_htc_9k_device device_id = 9271 > [ 13.862598] usb 1-3: link qh0-00ff/f6af2480 start 0 [2/0 us] > [ 13.863571] usb 1-3: HTC epid 1 upstream 6 downstream 3 :: WMI control service > [ 13.863576] usb 1-3: unlink qh0-00ff/f6af2480 start 0 [2/0 us] > [ 13.863670] usb 1-3: link qh0-00ff/f6af2480 start 0 [2/0 us] > [ 13.864581] usb 1-3: HTC epid 2 upstream 5 downstream 2 :: WMI beacon service > [ 13.864587] usb 1-3: unlink qh0-00ff/f6af2480 start 0 [2/0 us] > [ 13.864679] usb 1-3: link qh0-00ff/f6af2480 start 0 [2/0 us] > [ 13.865602] usb 1-3: unlink qh0-00ff/f6af2480 start 0 [2/0 us] > [ 13.865616] usb 1-3: HTC epid 3 upstream 6 downstream 2 :: WMI management service > [ 13.865700] usb 1-3: link qh0-00ff/f6af2480 start 0 [2/0 us] > [ 13.866600] usb 1-3: unlink qh0-00ff/f6af2480 start 0 [2/0 us] > [ 13.866614] usb 1-3: HTC epid 4 upstream 1 downstream 2 :: WMI BE data service > [ 13.866698] usb 1-3: link qh0-00ff/f6af2480 start 0 [2/0 us] > [ 13.867601] usb 1-3: unlink qh0-00ff/f6af2480 start 0 [2/0 us] > [ 13.867614] usb 1-3: HTC epid 5 upstream 1 downstream 2 :: WMI BK data service > [ 13.867698] usb 1-3: link qh0-00ff/f6af2480 start 0 [2/0 us] > [ 13.868581] usb 1-3: unlink qh0-00ff/f6af2480 start 0 [2/0 us] > [ 13.868593] usb 1-3: HTC epid 6 upstream 6 downstream 2 :: WMI VI data service > [ 13.868677] usb 1-3: link qh0-00ff/f6af2480 start 0 [2/0 us] > [ 13.869581] usb 1-3: unlink qh0-00ff/f6af2480 start 0 [2/0 us] > [ 13.869595] usb 1-3: HTC epid 7 upstream 6 downstream 2 :: WMI VO data service > [ 13.869678] usb 1-3: link qh0-00ff/f6af2480 start 0 [2/0 us] > [ 13.870580] usb 1-3: unlink qh0-00ff/f6af2480 start 0 [2/0 us] > [ 13.870673] usb 1-3: link qh0-00ff/f6af2480 start 0 [2/0 us] > [ 13.871579] usb 1-3: unlink qh0-00ff/f6af2480 start 0 [2/0 us] > [ 13.871671] usb 1-3: link qh0-00ff/f6af2480 start 0 [2/0 us] > [ 13.872580] usb 1-3: unlink qh0-00ff/f6af2480 start 0 [2/0 us] > [ 13.872674] usb 1-3: link qh0-00ff/f6af2480 start 0 [2/0 us] > [ 13.873187] ath: HW about to be initialized... > [ 13.873191] ath_init_htc_priv ah->hw_version.devid = 9271,ah->ptr = f6428000 > [ 13.873194] ath9k_hw_init ah->hw_version.devid = 0,ah->ptr = f6428000 > [ 13.873197] ath: Unsupported device ID: 0 > [ 13.873200] usb 1-3: failed to initialize device > [ 13.873209] usb 1-3: initializing 0x9271 device failed: -95 > [ 13.873212] usb 1-3: hw probe failed > [ 13.873261] usb 1-3: unlink qh0-00ff/f6af2480 start 0 [2/0 us] > [ 13.873371] ath_hif_usb: probe of 1-3:1.0 failed with error -95 > [ 13.873432] usbcore: registered new interface driver ath_hif_usb > [ 13.873655] modprobe used greatest stack depth: 5088 bytes left And you're using wireless-testing as of today? ath9k_htc copies headers from it, if your current kernel is out of date it won't work. Just wanted to check. Luis _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel