From: Elvis Dowson <elvis.dowson@mac.com>
To: Ohad Ben-Cohen <ohad@wizery.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: kernel BUG at drivers/mmc/core/sdio_io.c:28!
Date: Wed, 27 Oct 2010 18:16:45 +0400 [thread overview]
Message-ID: <60722BDE-68CB-47B7-856E-6986D760FE42@mac.com> (raw)
In-Reply-To: <AANLkTimvER2Qjpphj+io-qh9mRfDQJ1=goARH3zDLpeJ@mail.gmail.com>
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
next prev parent reply other threads:[~2010-10-27 14:17 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-27 13:24 Elvis Dowson
2010-10-27 14:05 ` Ohad Ben-Cohen
2010-10-27 14:16 ` Elvis Dowson [this message]
2010-10-27 14:28 ` Ohad Ben-Cohen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=60722BDE-68CB-47B7-856E-6986D760FE42@mac.com \
--to=elvis.dowson@mac.com \
--cc=linux-kernel@vger.kernel.org \
--cc=ohad@wizery.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®