Re: mux strategy (was RE: [PATCH] [OMAP1] mux: Add MMC mux pins for omap7xx)

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"Menon, Nishanth" <nm@xxxxxx> writes:

>> -----Original Message-----
>> From: linux-omap-owner@xxxxxxxxxxxxxxx [mailto:linux-omap-
>> owner@xxxxxxxxxxxxxxx] On Behalf Of Kevin Hilman
>> 
>> >>>        W17_7XX_USB_VBUSI,
>> >>> +
>> >>> +       /* MMC */
>> >>> +       MMC_7XX_CMD,
>> >>> +       MMC_7XX_CLK,
>> >>> +       MMC_7XX_DAT0,
>> >>
>> >> probably a dumb question -> but should'nt these go off to bootloader
>> >> perhaps?
>> >>
>> >
>> > Perhaps, although we use either EOL (for HTC Wizard) or Haret to boot,
>> > and they don't set up the right mux configuration for our board.
>> >
>> > This way though, we don't have to worry about the boot loader -- we
>> > can set it up right regardless of who boots us.
>> 
>> I agree with Cory.
>> 
>> I prefer that mux settings go into the kernel, even if they are setup
>> in the bootloader already.  It's better to have redundancy than wonder
>> what to do if changing boot loaders.
>> 
> Probably opening up a can of worms.. Are the rules different for OMAP3? 
> Should'nt we have all mux done at kernel so that kernel is loader 
> independent?

Yes, we should.  My preference is to always have muxing in the kernel.

Kevin

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