i8k: Rework error retries

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Instead of returning a previous value if the SMM code returns
an error when trying to read a temperature, retry once.
If that fails again, return -ENODATA. Also return -ENODATA if an
attempt is made to read the GPU temperature but the GPU is
currently turned off.

Drop the I8K_TEMPERATURE_BUG definition and handle the related bug
unconditionally.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Guenter Roeck 2015-01-12 14:32:00 +01:00 • committed by Greg Kroah-Hartman

parent 83d514d762

commit 564132d9d6

1 changed files with 24 additions and 23 deletions

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drivers/char/i8k.c

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