On 10.06.19 00:40, Ralf Ramsauer wrote:
On 6/10/19 12:07 AM, Ralf Ramsauer wrote:
On 6/9/19 8:58 PM, Jan Kiszka wrote:
From: Jan Kiszka <[email protected]>
U-Boot returns PSCI_NOT_SUPPORTED, rather than the implemented 0.2.
Filter out all negative return codes.
Oh. We should fix this as bootloaders are out there that do not stick to
the specification. Nevertheless, should this be reported to u-boot?
I remember that I definitely tested the series on a TK1, nothing
exploded there back then. So at least the TK1 seems to behave differently.
Oh wait -- the TK1 in deed returns -1 for the version call, but the next
call will fail. This is why it didn't break there.
Right, forgot to mention that in the changelog. Will tune.
Ralf
Anyway, tested this on a TX1 w/ and w/o firmware mitigations, as well as
on a TK1. All configurations seem to work fine.
Fixes: ea924a3fec98 ("arm64: Initialise SMCCC backend")
Signed-off-by: Jan Kiszka <[email protected]>
Tested-by: Ralf Ramsauer <[email protected]>
Thanks,
Jan
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