On 8 August 2014 18:36, Pawel Moll <pawel.moll@xxxxxxx> wrote: > On Fri, 2014-07-25 at 15:23 +0100, Pawel Moll wrote: >> The code selecting a device for the sdhci host has been >> continuously tweaked (4b711cb13843f5082e82970dd1e8031383134a65 >> "mmc: sdhci-pltfm: Add structure for host-specific data" and >> a4d2177f00a5252d825236c5124bc1e9918bdb41 "mmc: sdhci-pltfm: dt >> device does not pass parent to sdhci_alloc_host") while there >> does not seem to be any reason to use platform device's parent >> in the first place. >> >> The comment saying "Some PCI-based MFD need the parent here" >> seem to refer to Timberdale FPGA driver (the only MFD driver >> registering SDHCI cell, drivers/mfd/timberdale.c) but again, >> the only situation when parent device matter is runtime PM, >> which is not implemented for Timberdale. >> >> Cc: Chris Ball <chris@xxxxxxxxxx> >> Cc: Anton Vorontsov <anton@xxxxxxxxxx> >> Cc: Ulf Hansson <ulf.hansson@xxxxxxxxxx> >> Cc: linux-mmc@xxxxxxxxxxxxxxx >> Cc: linuxppc-dev@xxxxxxxxxxxxxxxx >> Signed-off-by: Pawel Moll <pawel.moll@xxxxxxx> >> --- >> >> This patch is a part of effort to remove references to platform_bus >> and make it static. >> >> Chris, Anton, Ulf - could you please advise if the assumptions >> above are correct or if I'm completely wrong? Do you know what >> where the real reasons to use parent originally? The PCI comment >> seems like a red herring to me... > > Can I take the silence as a suggestion that the change looks ok-ish for > you? Sorry for the delay. I suppose this make sense, but I really don't know for sure. I guess we need some testing in linux-next, to get some confidence. Kind regards Uffe > > Paweł > > -- > 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 -- 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