On Wed, 2014-04-09 at 12:16 +0200, Yegor Yefremov wrote: > On Wed, Apr 9, 2014 at 11:21 AM, Luca Coelho <luca@xxxxxxxxx> wrote: > > On Wed, 2014-04-09 at 11:14 +0200, Yegor Yefremov wrote: > >> On Tue, Apr 8, 2014 at 10:29 PM, Luca Coelho <luca@xxxxxxxxx> wrote: > >> > On Tue, 2014-04-08 at 17:28 +0200, Yegor Yefremov wrote: > >> >> Any idea, what could be wrong? > >> > > >> > First of all, try a clean kernel. > >> > >> It is not simple to get a clean kernel. "Official" support for > >> am335x-evmsk WLAN was added first in the upcoming 3.15 kernel. I've > >> tried the merge window version (3.14.0-12041-g75ff24f-dirty) and get > >> following issue: > >> > >> # calibrator wlan0 plt power_mode on > >> wlcore: power up > >> wlcore: ERROR timeout waiting for the hardware to complete initialization > >> wlcore: ERROR timeout waiting for the hardware to complete initialization > >> wlcore: ERROR timeout waiting for the hardware to complete initialization > >> wlcore: ERROR firmware boot in PLT mode failed despite 3 retries > >> command failed: Input/output error (-5) > > > > Okay, the main question here is, did you make any changes in the > > wlcore/wl12xx code? As I said, the TX watchdog should *not* be > > initialized in PLT mode. > > I made not changes to any file in drivers/net/wireless/ti/ > > > Maybe you could add some prints in the driver to see when the watchdog > > timer is set up? Try to add a printk in every place where > > wl12xx_rearm_tx_watchdog_locked() is called to see where it is being > > armed. > > drivers/net/wireless/ti/wlcore/tx.c in wl1271_tx_allocate() > > # calibrator wlan0 plt power_mode on > [ 93.107215] wlcore: power up > [ 93.688714] wlcore: firmware booted in PLT mode PLT_ON (PLT 6.3.10.0.133) > # [ 139.232802] YY: wl1271_tx_allocate > [ 144.241849] wlcore: ERROR Tx stuck (in FW) for 5000 ms. Starting recovery Okay, you have a starting point. :) Now try to look from where this is being called and so on. I don't think we should be calling wl1271_tx_allocate() in PLT mode either. Try tracing back until you find where this is coming from. -- Luca. -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
