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Message-ID: <20130313165729.GF26093@atomide.com> Date: Wed, 13 Mar 2013 09:57:30 -0700 From: Tony Lindgren <tony@...mide.com> To: Roger Quadros <rogerq@...com> Cc: balbi@...com, b-cousson@...com, linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org, linux-omap@...r.kernel.org, devicetree-discuss@...ts.ozlabs.org Subject: Re: [PATCH 00/24] ARM: OMAP2+: Adapt to ehci-omap changes for 3.10 * Roger Quadros <rogerq@...com> [130313 09:40]: > On 03/13/2013 06:24 PM, Tony Lindgren wrote: > > * Roger Quadros <rogerq@...com> [130313 06:46]: > >> On 03/12/2013 06:40 PM, Tony Lindgren wrote: > >>> * Roger Quadros <rogerq@...com> [130312 04:47]: > >>>> Hi Tony, > >>>> > >>>> These patches provide the SoC side code required to support > >>>> the changes in the OMAP USB Host drivers done in [1], [2] & [3]. > >>> ... > >>> > >>>> arch/arm/mach-omap2/board-3430sdp.c | 97 +++++++++++++++- > >>>> arch/arm/mach-omap2/board-3630sdp.c | 100 +++++++++++++++- > >>>> arch/arm/mach-omap2/board-am3517crane.c | 95 +++++++++++++-- > >>>> arch/arm/mach-omap2/board-am3517evm.c | 66 ++++++++++- > >>>> arch/arm/mach-omap2/board-cm-t35.c | 95 ++++++++++++++- > >>>> arch/arm/mach-omap2/board-cm-t3517.c | 97 +++++++++++++++- > >>>> arch/arm/mach-omap2/board-devkit8000.c | 20 ++-- > >>>> arch/arm/mach-omap2/board-generic.c | 67 +++++++++++ > >>>> arch/arm/mach-omap2/board-igep0020.c | 112 ++++++++++++++++--- > >>>> arch/arm/mach-omap2/board-omap3beagle.c | 93 +++++++++++++-- > >>>> arch/arm/mach-omap2/board-omap3evm.c | 62 ++++++++-- > >>>> arch/arm/mach-omap2/board-omap3pandora.c | 52 +++++++-- > >>>> arch/arm/mach-omap2/board-omap3stalker.c | 52 +++++++- > >>>> arch/arm/mach-omap2/board-omap3touchbook.c | 62 +++++++++- > >>>> arch/arm/mach-omap2/board-omap4panda.c | 122 ++++++++++++++------ > >>>> arch/arm/mach-omap2/board-overo.c | 54 ++++++++- > >>>> arch/arm/mach-omap2/board-zoom.c | 56 ++++++++- > >>> > >>> Can't you have some mach-omap2/ehci-common.c that takes care > >>> of the initializiation to avoid this much addition to the > >>> board-*.c files? You may be able to have just a common function > >>> to do it and pass few parameters? > >> > >> Since we moved reset and power handling for the USB PHYs from omap-echi > >> driver into the USB PHY driver we need to define the regulator data > >> for RESET and Power line of each PHY. So most of the code added is just > >> regulator data for the PHY rather than omap-ehci. > > > > It seems that you're now repeating minor variations of the same PHY > > over and over again though. > > Yes it is the vcc and reset regulator data for the PHY that > is getting repeated with variations in the GPIO number. > > > > >> Instead of a common function, I can implement some macros that make it > >> easier to define the regulators for the PHY in the board files. > >> Does this sound OK? > >> > >> Personally I don't like such macros because it hides the implementation > >> and is difficult to read/debug. > > > > I'd prefer a common function to initialize the PHY though as it sounds > > like using macros would just allocate similar PHY many times which seems > > unnecessary. > > > OK, so we want to create the regulator data at runtime to save some memory? > I'll come up with something. Or I guess you can have just one instance that gets filled in by some PHY platform init function. Regards, Tony -- 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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