> -----Original Message----- > From: Chris Ball [mailto:cjb@xxxxxxxxxx] > Sent: Wednesday, March 27, 2013 9:32 PM > To: Ulf Hansson > Cc: linux-mmc@xxxxxxxxxxxxxxx; Johan Rudholm; Ulf Hansson; Maya Erez; Kevin Liu; Seungwon Jeon; jh80.chung@xxxxxxxxxxx > Subject: Re: [PATCH 0/3] mmc: Use runtime pm for blkdevice > > Hi Maya, Kevin, Seungwon, Jaehoon, > > On Fri, Mar 01 2013, Ulf Hansson wrote: >> From: Ulf Hansson <ulf.hansson@xxxxxxxxxx> >> >> SDIO has been using runtime pm for a while to handle runtime power save >> operations. This patchset is enabling the option to make the sd/mmc >> blockdevices to use runtime pm as well. >> >> The runtime pm implementation for the block device will make use of >> autosuspend to defer power save operation to after request inactivty for >> a certain time. >> >> To actually perform some power save operations the corresponding bus ops >> for mmc and sd shall be implemented. Typically it could make sense to do >> BKOPS for eMMC in here. >> >> Ulf Hansson (3): >> mmc: core: Remove power_restore bus_ops for mmc and sd >> mmc: core: Add bus_ops for runtime pm callbacks >> mmc: block: Enable runtime pm for mmc blkdevice >> >> drivers/mmc/card/block.c | 28 ++++++++++++++++++++++++++-- >> drivers/mmc/core/bus.c | 14 ++++++++++++-- >> drivers/mmc/core/core.h | 2 ++ >> drivers/mmc/core/mmc.c | 14 -------------- >> drivers/mmc/core/sd.c | 14 -------------- >> drivers/mmc/core/sdio.c | 20 ++++++++++++++++++++ >> 6 files changed, 60 insertions(+), 32 deletions(-) > > This looks good to me, but I'd like to make sure the design works for > you before we decide to merge it. Any concerns? > Chris, This patchset is ok for me. We can discuss/review how sd/mmc runtime callback function implemented later. Thanks Kevin -- 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
