powerpc/powernv: Check OPAL RTC calls exists before using

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Check that the OPAL_RTC_READ token exists before we use the OPAL RTC.

Refactors the code a little to merge error paths.

This avoids littering the OPAL console with:
  "OPAL: Called with bad token 3".

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Michael Neuling 2014-08-19 14:48:00 +10:00 • committed by Michael Ellerman

parent bffe6bda34

commit 035ed26fb0

1 changed files with 10 additions and 5 deletions

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arch/powerpc/platforms/powernv/opal-rtc.c

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