On Tue, Jul 24, 2012 at 5:59 PM, Doug Anderson <dianders@xxxxxxxxxxxx> wrote: > The documentation for the dw_mmc part says that the low power > mode should normally only be set for MMC and SD memory and should > be turned off for SDIO cards that need interrupts detected. > > The best place I could find to do this is when the SDIO interrupt > was first enabled. I rely on the fact that dw_mci_setup_bus() > will be called when it's time to reenable. > > Signed-off-by: Doug Anderson <dianders@xxxxxxxxxxxx> > --- > Changes in v3: > - Commenting fixes requested by Seungwoon Jeon and Jaehoon Chung. > - Only pass 'slot' to the low power disable function since whole mmc > structure wasn't needed. > > Changes in v2: > - Commenting fixes requested by Grant Grundler. > - Be extra certain that we don't re-turn on the low power mode in > CLKENA in dw_mci_setup_bus() if SDIO interrupts are enabled. > There are no known instances of this happening but it's good to be safe. > > > drivers/mmc/host/dw_mmc.c | 41 ++++++++++++++++++++++++++++++++++++++--- > 1 files changed, 38 insertions(+), 3 deletions(-) Acked-by: Will Newton <will.newton@xxxxxxxxxx> -- 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
