From mboxrd@z Thu Jan 1 00:00:00 1970 From: Emil Goode Subject: Re: wl12xx regression on 4.5 (was: Re: linux-4.5-rc1 TI pandboard-es wifi wlcore locks and reset) Date: Sun, 7 Feb 2016 23:05:39 +0100 Message-ID: <20160207220538.GA4464@lianli> References: <20160202043448.GA9514@earth> <20160202160538.GA19990@earth> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20160202160538.GA19990@earth> Sender: linux-wireless-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Sebastian Reichel Cc: Ross Green , Shahar Patury , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Guy Mishol , Kalle Valo List-Id: linux-omap@vger.kernel.org Hello, On Tue, Feb 02, 2016 at 05:05:38PM +0100, Sebastian Reichel wrote: > On Tue, Feb 02, 2016 at 04:41:13PM +1100, Ross Green wrote: > > On Tue, Feb 2, 2016 at 3:34 PM, Sebastian Reichel wrote: > > > On Mon, Feb 01, 2016 at 11:38:38PM +1100, Ross Green wrote: > > >> On Mon, Jan 25, 2016 at 11:47 PM, Ross Green wrote: > > >> > Just tried the new kernel release on faithful pandaboard es with the > > >> > new 4.5-rc1 release. > > >> > > > >> > There is a problem with the wifi modules once the modules are loaded. > > >> > Looks like the wifi firmware gets loaded put no response after that > > >> > causing recovery action. > > >> > > > >> > the kernel 4.4 works quite happily with this board. > > >> > > > >> > Here is a dmesg dump in the attachment. > > >> > > > >> > Anyone have any ideas here? > > > > [...] > > > > If I get time, this evening, I'll see if I can give a bisect a try. > > On N950 [wl1271 via SPI, using extra patches to init from DT] I get wifi > working again on 4.5-rc1 with 3719c17e1816 ("wlcore/wl18xx: fw logger > over sdio") reverted. Reverting the changes in wlcore_set_partition() as below seem to help. Best regards, Emil Goode 8<-------- --- a/drivers/net/wireless/ti/wlcore/io.c +++ b/drivers/net/wireless/ti/wlcore/io.c @@ -175,14 +175,15 @@ int wlcore_set_partition(struct wl1271 *wl, if (ret < 0) goto out; + /* + * We don't need the size of the last partition, as it is + * automatically calculated based on the total memory size and + * the sizes of the previous partitions. + */ ret = wlcore_raw_write32(wl, HW_PART3_START_ADDR, p->mem3.start); if (ret < 0) goto out; - ret = wlcore_raw_write32(wl, HW_PART3_SIZE_ADDR, p->mem3.size); - if (ret < 0) - goto out;