Messages in this thread | | | Subject | Re: kernel BUG at drivers/mmc/core/sdio_io.c:28! | From | Elvis Dowson <> | Date | Wed, 27 Oct 2010 18:16:45 +0400 |
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Hi Ohad,
On Oct 27, 2010, at 6:05 PM, Ohad Ben-Cohen wrote:
> You actually seem to have two problems here: > 1. Your SDIO driver's probe function isn't called > 2. Your WLAN driver is using the SDIO API without having a valid SDIO function > > Ignoring the 2nd issue for now, you most probably have an integration > problem. Is the chip powered up correctly ?
Yes, I checked the VBAT, and VIO and WLAN Power Enable signals.
> is it mmc rescanned after it is powered up ?
I'm not sure about this. How can I check this? Could you point me to a code fragment?
> are you using the correct mmc controller ?
Yes, MMC2, as per the schematics.
> have you configured your mmc lines correctly (board muxing) ? etc..
Yes, I've setup the mux settings correctly.
> Maybe you want to checkout the mainline wl1271 driver using Luca's > Beagle board patches :)
Ok, will try it once again.
Best regards,
Elvis
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