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Message-ID: <AANLkTi=ogThxB_2bxANV4hUsLGZs04gzHSCyH90Bm87U@mail.gmail.com> Date: Tue, 1 Mar 2011 20:36:48 +0100 From: Pierre Tardy <tardyp@...il.com> To: Alan Stern <stern@...land.harvard.edu> Cc: linux-kernel@...r.kernel.org, linux-pm@...ts.linux-foundation.org, linux-mmc@...r.kernel.org Subject: Re: [linux-pm] [RFC,PATCHv3 0/3] sdhci runtime_pm implementation On Tue, Mar 1, 2011 at 8:33 PM, Alan Stern <stern@...land.harvard.edu> wrote: > On Tue, 1 Mar 2011, Pierre Tardy wrote: > >> Please find sdhci runtime_pm implementation. >> >> It uses clock gating fw as a tip to know when our chip is idle. >> It implements wake up from card insertion/removal. >> >> This is RFC, please dont merge yet. I really would like to have deep review >> from PCI linux-pm guys. >> >> Opens are: >> >> 1/ Not sure if the pci configs in the driver in rpm_suspend/resume flow >> are not duplicate from what the core is doing. > > There may be one or two small errors. > >> 2/ Wakeup from D3hot: I cannot find any driver that is implementing it in current upstream, > > Other drivers do it, but they use PCI PME# instead of interrupts. Could you please elaborate? My understanding is that PCI PME will generate MSI, which translate in interrupt. Thanks Pierre -- 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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