From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kalle Valo Subject: Re: Long Delay on startup of wl18xx Wireless chip Date: Wed, 06 Nov 2019 12:32:00 +0200 Message-ID: <87sgn1z467.fsf@codeaurora.org> References: Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: (Adam Ford's message of "Tue, 5 Nov 2019 12:55:51 -0600") Sender: netdev-owner@vger.kernel.org To: Adam Ford Cc: Linux-OMAP , "David S . Miller" , linux-wireless@vger.kernel.org, netdev List-Id: linux-omap@vger.kernel.org Adam Ford writes: > On Tue, Nov 5, 2019 at 12:25 PM Adam Ford wrote: >> >> I am seeing a really long delay at startup of the wl18xx using the 5.4 kernel. >> > > Sorry I had to resend. I forgot to do plaintext. Google switched > settings on me and neglected to inform me. > > >> [ 7.895551] wl18xx_driver wl18xx.2.auto: Direct firmware load for >> ti-connectivity/wl18xx-conf.bin failed with error -2 >> [ 7.906416] wl18xx_driver wl18xx.2.auto: Falling back to sysfs >> fallback for: ti-connectivity/wl18xx-conf.bin >> >> At this point in the sequence, I can login to Linux, but the WL18xx is unavailable. >> >> [ 35.032382] vwl1837: disabling >> [ 69.594874] wlcore: ERROR could not get configuration binary >> ti-connectivity/wl18xx-conf.bin: -11 >> [ 69.604013] wlcore: WARNING falling back to default config >> [ 70.174821] wlcore: wl18xx HW: 183x or 180x, PG 2.2 (ROM 0x11) >> [ 70.189003] wlcore: WARNING Detected unconfigured mac address in >> nvs, derive from fuse instead. >> [ 70.197851] wlcore: WARNING This default nvs file can be removed from the file system >> [ 70.218816] wlcore: loaded >> >> It is now at this point when the wl18xx is available. >> >> I have the wl18xx and wlcore setup as a module so it should load >> after the filesystem is mounted. I am not using a wl18xx-conf.bin, >> but I never needed to use this before. >> >> It seems to me unreasonable to wait 60+ seconds after everything is >> mounted for the wireless chip to become available. Before I attempt >> to bisect this, I was hoping someone might have seen this. I am also >> trying to avoid duplicating someone else's efforts. >> >> I know the 4.19 doesn't behave like this. Try disabling CONFIG_FW_LOADER_USER_HELPER, that usually causes a 60 second delay if the user space is not setup to handle the request. (Or something like that.) -- Kalle Valo