pwm: Return -ENODEV if no PWM lookup match is found

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When looking up a PWM using the lookup table, assume that all entries
will have been added already, so failure to find a match means that no
corresponding entry has been registered.

This fixes an issue where -EPROBE_DEFER would be returned if the PWM
lookup table is empty. After this fix, -EPROBE_DEFER is reserved for
situations where no provider has yet registered for a matching entry.

Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

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This commit is contained in:

Thierry Reding 2015-10-05 14:38:32 +02:00

parent f6649f7ad8

commit 655a03554c

1 changed files with 3 additions and 1 deletions

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drivers/pwm/core.c

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