On 03/05/13 14:11, Ulf Hansson wrote: > On 2 May 2013 14:02, Ulf Hansson <ulf.hansson@xxxxxxxxxxxxxx> 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. >> >> Corresponding pm_runtime_get|put calls has been added at those places that >> do requires the card to be fully powered to communicate. >> >> Patch 4 can be considered as a proof of concept patch. It implements >> aggressive power management for (e)MMC/SD. This feature has also been >> discussed on the mmc mailing list previously. >> >> Next step would be to implement the IDLE BKOPS on top of the runtime pm >> callbacks. >> >> Changes in v4: >> - Updated patch 4 according to review comments from Adrian. >> >> Changes in v3: >> - Make sure the card device is powered from a runtime perspective >> when needed. This is also the indirect reason to why the new patch 1 >> has been added to this patchset. >> - Added a proof of concept patch, in patch 4. >> - Replace acks with cc, since quite some changes has been done. >> >> Changes in v2: >> - Removed the stated patch below from this patchset. It can be handled >> separately. "mmc: core: Remove power_restore bus_ops for mmc and sd" >> - Rebased patches on latest mmc-next. >> - Added Acks. >> >> Ulf Hansson (4): >> mmc: core: Stop bkops for eMMC only from mmc suspend >> mmc: core: Add bus_ops for runtime pm callbacks >> mmc: block: Enable runtime pm for mmc blkdevice >> mmc: core: Support aggressive power management for (e)MMC/SD >> >> drivers/mmc/card/block.c | 32 ++++++++++++++++++----- >> drivers/mmc/core/bus.c | 14 +++++++++-- >> drivers/mmc/core/core.c | 47 ++++++++++++++++++---------------- >> drivers/mmc/core/core.h | 3 +++ >> drivers/mmc/core/debugfs.c | 8 +++--- >> drivers/mmc/core/mmc.c | 60 ++++++++++++++++++++++++++++++++++++++++++-- >> drivers/mmc/core/sd.c | 53 ++++++++++++++++++++++++++++++++++++-- >> drivers/mmc/core/sdio.c | 16 ++++++++++++ >> include/linux/mmc/core.h | 3 +++ >> include/linux/mmc/host.h | 2 +- >> 10 files changed, 199 insertions(+), 39 deletions(-) >> >> -- >> 1.7.10 >> > > Thanks for reviewing this patchset Adrian. I suppose we have sorted > out all the issues now and I would like to advise Chris to merge it > from 3.10, unless you have any other opinions. It is OK by me > > Not sure if it is still possible for Chris to merge it for 3.10, but let's see. > > Kind regards > Ulf Hansson > > -- 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
