[PATCH 01/12] misc: vexpress-syscfg: Add udelay-based delay

Greg Kroah-Hartman gregkh at linuxfoundation.org
Sat Feb 15 14:19:32 EST 2014


On Tue, Feb 11, 2014 at 05:10:25PM +0000, Pawel Moll wrote:
> It is normally preferable to yield the task
> waiting for syscfg operations (that can take
> up to dozens of milliseconds), but when the
> system is shutting down it may not be possible.

Really?  What happens at shutdown that prevents things from being
scheduled?  Why would you want to busy-loop instead at this point in
time?

thanks,

greg k-h



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