2011/1/2 Pierre Tardy <tardyp@xxxxxxxxx>: > Some sdio card are not following sdio standard, and does not work > when the sdio bus's clock is gated Seem to me like it's pretty straight-forward and will work... Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxxxxxx> > diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c > index 82f4b90..6df1ead 100644 > --- a/drivers/mmc/core/sdio.c > +++ b/drivers/mmc/core/sdio.c > @@ -785,6 +785,12 @@ int mmc_attach_sdio(struct mmc_host *host, u32 ocr) > > mmc_release_host(host); > > + /* > + * see comments in mmc_host_may_gate_card() > + * this can be overidden by function drivers if they know that > + * their sdio card works with clock gating > + */ > + card->quirks |= MMC_QUIRK_BROKEN_CLK_GATING; ...so the function driver will do something like this: /* May gate clock */ card->quirks &= ~MMC_QUIRK_BROKEN_CLK_GATING; Do you have a candidate function driver to do this ...? Yours, Linus Walleij -- 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
