On Fri, Feb 11, 2011 at 4:25 PM, Dmitry Shmidt <dimitrysh@xxxxxxxxxxx> wrote: > commit 9cb71a1eb86a2acf0762d31af633984cf9e24d32 > Author: Dmitry Shmidt <dimitrysh@xxxxxxxxxx> > Date: Fri Feb 11 16:10:33 2011 -0800 > > mmc: core: Allow sdio operations in other thread during sdio_add_func() > > Signed-off-by: Dmitry Shmidt <dimitrysh@xxxxxxxxxx> > > diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c > index dec4290..d4e6e6ef 100644 > --- a/drivers/mmc/core/sdio.c > +++ b/drivers/mmc/core/sdio.c > @@ -834,7 +834,6 @@ int mmc_attach_sdio(struct mmc_host *host) > */ > mmc_release_host(host); > err = mmc_add_card(host->card); > - mmc_claim_host(host); > if (err) > goto remove_added; > > @@ -846,13 +845,12 @@ int mmc_attach_sdio(struct mmc_host *host) > if (err) > goto remove_added; > } > - > + mmc_claim_host(host); > return 0; > > > remove_added: > /* Remove without lock if the device has been added. */ > - mmc_release_host(host); > mmc_sdio_remove(host); > mmc_claim_host(host); > remove: > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-mmc" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > This is important when wlan driver is doing sdio operations from another thread during initialization. This behavior was introduced as a side-effect in patch 807e8e40673d9628fa7dcdd14423424b4ee5f43b mmc: Fix sd/sdio/mmc initialization frequency retries -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
