On Fri, May 17, 2013 at 6:33 AM, Doug Anderson <[email protected]> wrote:
> The GPIO states need to be restored after s2r and this is not currently > supported in the pinctrl driver. This patch saves the gpio states before > suspend and restores them after resume. > > Saving and restoring is done very early using syscore_ops and must > happen before pins are released from their powerdown state. > > Patch originally from Prathyush K <[email protected]> but > rewritten by Doug Anderson <[email protected]>. > > Signed-off-by: Prathyush K <[email protected]> > Signed-off-by: Doug Anderson <[email protected]> > --- > Changes in v3: > - Skip save and restore for banks with no powerdown config. > > Changes in v2: > - Now uses sycore_ops to make sure we're early enough. > - Try to handle two CON registers better. > - Should handle s3c24xx better as per Heiko. > - Simpler code; no longer tries to avoid glitching lines since > we _think_ all current SoCs should have pins in power down state > when the restore is called. > - Dropped eint patch for now; Tomasz will post his version. Looks good to me. Acked-by: Linus Walleij <[email protected]> How are you going to merge this? Samsung tree? My pinctrl development tree? Or my fixes tree, if it's a regression for v3.10? Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
