From: Larry Finger <Larry.Finger@lwfinger.net>
To: Arnd Hannemann <arnd@arndnet.de>
Cc: "linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Subject: Re: b43 sdio: WARNING: at drivers/mmc/core/core.c:237 mmc_wait_for_cmd
Date: Thu, 28 Oct 2010 09:49:41 -0500 [thread overview]
Message-ID: <4CC98D85.20703@lwfinger.net> (raw)
In-Reply-To: <4CC98892.7080000@arndnet.de>
On 10/28/2010 09:28 AM, Arnd Hannemann wrote:
> Hi,
\> [ 1364.620044] b43-phy1 debug: Removing Interface type 2
> [ 1364.621812] b43-phy1 debug: Wireless interface stopped
> [ 1372.440297] b43-sdio: before ssb_bus_unregister, claimed is 0
> [ 1372.440345] b43-sdio: before sdio_disable_func, claimed is 0
> [ 1372.440351] ------------[ cut here ]------------
> [ 1372.440367] WARNING: at drivers/mmc/core/core.c:237 mmc_wait_for_cmd+0x88/0x90()
Please try the patch below. It claims the device before the sdio_disable_func(()
call and releases it afterwords.
Larry
Index: wireless-testing/drivers/net/wireless/b43/sdio.c
===================================================================
--- wireless-testing.orig/drivers/net/wireless/b43/sdio.c
+++ wireless-testing/drivers/net/wireless/b43/sdio.c
@@ -175,7 +175,9 @@ static void b43_sdio_remove(struct sdio_
struct b43_sdio *sdio = sdio_get_drvdata(func);
ssb_bus_unregister(&sdio->ssb);
+ sdio_claim_host(func);
sdio_disable_func(func);
+ sdio_release_host(func);
kfree(sdio);
sdio_set_drvdata(func, NULL);
}
next prev parent reply other threads:[~2010-10-28 14:49 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-27 18:52 b43 sdio: WARNING: at drivers/mmc/core/core.c:237 mmc_wait_for_cmd Arnd Hannemann
2010-10-28 0:58 ` Larry Finger
2010-10-28 14:28 ` Arnd Hannemann
2010-10-28 14:49 ` Larry Finger [this message]
2010-10-28 15:08 ` Arnd Hannemann
2010-10-28 15:11 ` Michael Büsch
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