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Re: [Xen-devel] [PATCH V6] xen: arm: platforms: Adding reset support for xgene arm64 platform.
On Mon, 2014-01-27 at 14:36 +0000, Julien Grall wrote:
> The only ways we can fail are:
> - ioremap return NULL;
> - reset address is not set.
>
> Both won't work at the second attempd, neither the third.
You are missing the fact that the write to the reset address itself may
"succeed" but not do anything, for example because of firmware oddities
or some strange platform specific property. It might succeed on a second
or third attempt, and there is no harm in trying.
Ian.
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