Re: b43 sdio: WARNING: at drivers/mmc/core/core.c:237 mmc_wait_for_cmd

Arnd Hannemann
2010-10-28T15:08:55Z

Hi,

Am 28.10.2010 16:49, schrieb Larry Finger:
> 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.

>
> 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);
> }
>

Thanks, that fixes the warning.

Regards
Arnd