> -----Original Message----- > From: Wood Scott-B07421 > Sent: Friday, June 29, 2012 12:31 AM > To: Jia Hongtao-B38951 > Cc: Wood Scott-B07421; ga...@kernel.crashing.org; Li Yang-R58472; > ag...@suse.de; linuxppc-dev@lists.ozlabs.org > Subject: Re: [PATCH 0/3] powerpc/fsl: PCI refactoring and QEMU paravirt > platform > > On 06/27/2012 11:06 PM, Jia Hongtao-B38951 wrote: > > > > > >> -----Original Message----- > >> From: Wood Scott-B07421 > >> Sent: Thursday, June 28, 2012 7:49 AM > >> To: ga...@kernel.crashing.org > >> Cc: ag...@suse.de; linuxppc-dev@lists.ozlabs.org; Jia Hongtao-B38951 > >> Subject: [PATCH 0/3] powerpc/fsl: PCI refactoring and QEMU paravirt > >> platform > >> > >> The QEMU stuff is related to the PCI refactoring because currently > >> we have a hard time selecting a primary bus under QEMU, and also > because > >> the generic qemu e500 platform wants a full list of FSL PCI > compatibles > >> to check. > >> > > > > It seems that not all primary bus has "isa" node like 8541 and 8555. > > Do those boards (it's the boards that matter, not chips...) have legacy > ISA? If they do, and it's not in the device tree, then we should fix > the device tree for consistency, but also retain some sort of hack to > remain compatible with old device trees. > > A board can refrain from using the new common infrastructure if it has a > good reason to.
I'm not sure that MPC8541CDS (or 8555) has legacy ISA. I just checked in kernel and dts which implies the board has primary bus and no "isa" node. I will find out the facts later. > > > Without PM support for pci controllers I totally agree with this > refactoring > > for pci init. But in linux mechanism PM ops should be registered to a > driver. > > Do you have any ideas to add PM support for pci controllers under this > patchset? > > This isn't meant to be instead of making it a platform device. It's > just meant to get us away from board-specific code and primary-bus > hardcoding now, rather than once we sort out all the issues with > platform devices. > > -Scott Thanks, I'll look into the issues. -Jia Hongtao. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev