[PATCH] ARM: mm: cpu_fa526_do_idle: remove WFI

Jonas Jensen jonas.jensen at gmail.com
Mon Jun 17 10:58:14 EDT 2013


On 17 June 2013 16:30, Russell King - ARM Linux <linux at arm.linux.org.uk> wrote:
> It replaces the WFI and return with a pure nop, so we will fall through
> to cpu_fa526_dcache_clean_area().  Do we really want to clean a random
> D cache entry depending on what r0 happened to hold at this point?  I
> think not...

I'm sorry for making the assumption that I know even the most basic
ARM assembler...

This is not the sort of thing I deal with (and probably shouldn't) on
a daily basis.

Can I make a guess, remove only mcr and replace it with nop?

Best regards,
Jonas



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