Hi Arnd, On Sun, Oct 31, 2010 at 06:16:04PM +0100, Arnd Hannemann wrote: > on todays Linus' git (v2.6.36-9871-g3985c7c) b43 sdio stopped working. > It was working on (v2.6.36-6794-g12ba8d1). > > b43-sdio: probe of mmc0:0001:1 failed with error -16 > > The error seems to originate from the following code in > drivers/mmc/core/sdio_bus.c:sdio_bus_probe() > > 135 ret = pm_runtime_get_sync(dev); > 136 if (ret < 0) > 137 goto out; > > so I suspect this has something to do with the following commit: > > commit 40bba0c1ca83a370f749c8bc9afda71cf79ebd91 > Author: Ohad Ben-Cohen <o...@wizery.com> > Date: Sat Oct 2 13:54:11 2010 +0200 > > mmc: sdio: enable runtime PM for SDIO functions > > However, simply reverting 40bba0c1ca83a370f749c8bc9afda71cf79ebd91 does not > work because then > modprobe hangs. > > Tested on AP4EVB (arm) with tmio_mmc. Any ideas?
We've been discussing this on the linux-mmc@ list: http://thread.gmane.org/gmane.linux.kernel.mmc/4342 Until we have a fix, you should be able to get SDIO working again by reverting all nine commits between 1978fda85d..ed2a978594. Thanks, -- Chris Ball <c...@laptop.org> <http://printf.net/> One Laptop Per Child -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
