Hi On 07/24/2015 07:39 PM, Mark Brown wrote: > On Wed, Jul 22, 2015 at 08:46:09PM +0200, Sebastian Reichel wrote: >> Since commit ddcad7e9068eb omap2_mcspi_set_cs() is called without >> runtime power management requested. Thus the below kernel oops may be >> generated if a device is accessed after the runtime power management >> timeout. This patch fixes the problem by requesting runtime power >> management in omap2_mcspi_set_cs(). >> >> [ 13.933959] Unhandled fault: external abort on non-linefetch (0x1028) at 0xfa09802c >> [ 13.940490] pgd = cfb38000 >> [ 13.946594] [fa09802c] *pgd=48011452(bad) >> [ 13.952758] Internal error: : 1028 [#1] PREEMPT ARM >> [ 13.958862] Modules linked in: tsc2005(+) omap_sham twl4030_wdt omap_wdt >> [ 13.965332] CPU: 0 PID: 183 Comm: modprobe Not tainted 4.2.0-rc1+ #363 >> [ 13.971801] Hardware name: Nokia RX-51 board >> [ 13.978302] task: cf572300 ti: cb1f2000 task.ti: cb1f2000 >> [ 13.984924] PC is at omap2_mcspi_set_cs+0x44/0x4c >> [ 13.991485] LR is at spi_set_cs+0x5c/0x60 > > Please don't paste entire backtraces into commit messages, they are very > large and almost entirely noise (for example in this case the entire > explanation is in the commit message itself). If you feel a backtrace > helps clarify things then please present an *edited* highlight of the > relevant sections. > present > Is there update to this patch? I don't see such in 4.2.0-rc8+. I hit this same issue on Nokia N900 WLAN (CONFIG_WL1251=m and CONFIG_WL1251_SPI=m) and googling lead to this patch which made the WLAN working. If you are going to resend this, please feel free to add my tested by: Tested-by: Jarkko Nikula <jarkko.nikula@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
