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Message-ID: <CAF1ivSa_Hz30mRXDmOAXuvOORAn8mA20XgoAouYoMysEXcwHpg@mail.gmail.com> Date: Wed, 23 May 2012 23:53:42 +0800 From: Lin Ming <ming.m.lin@...el.com> To: Alan Stern <stern@...land.harvard.edu> Cc: Jens Axboe <axboe@...nel.dk>, linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org, linux-scsi@...r.kernel.org Subject: Re: [RFC PATCH v3 0/4]: block layer runtime pm On Wed, May 23, 2012 at 4:29 PM, Lin Ming <ming.m.lin@...el.com> wrote: > On Wed, May 23, 2012 at 12:10 AM, Alan Stern <stern@...land.harvard.edu> wrote: >> On Tue, 22 May 2012, Lin Ming wrote: >> >>> Hi, >>> >>> In August 2010, Jens and Alan discussed about "Runtime PM and the block >>> layer". http://marc.info/?t=128259108400001&r=1&w=2 >>> >>> Here are the RFC v3 patches that try to implement the ideas discussed. >>> Welcome to give it a try. >> >> Have you checked to make sure these changes won't break the IDE driver? >> Maybe it will need to set the REQ_PM flag too. REQ_PM flag is about runtime PM, but IDE driver does not support runtime PM at all. # grep runtime drivers/ide/*.c This gets empty result. So I think it won't break the IDE driver. Thanks, Lin Ming > > Will check it. > > Another thing need to check is if system suspend/resume works. > >> >> Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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