Re: [PATCH] can: m_can: mark runtime-PM handlers as __maybe_unused

[Marc Kleine-Budde]

On 01/18/2018 02:04 PM, Arnd Bergmann wrote:
> Building without CONFIG_PM results in a harmless warning:
> 
> drivers/net/can/m_can/m_can.c:1763:12: error: 'm_can_runtime_resume' defined but not used [-Werror=unused-function]
> drivers/net/can/m_can/m_can.c:1752:12: error: 'm_can_runtime_suspend' defined but not used [-Werror=unused-function]
> 
> Marking the functions as __maybe_unused lets the compiler
> silently drop them instead.
> 
> Fixes: cdf8259d6573 ("can: m_can: Add PM Support")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

Tnx - applied.

However all archs using this driver have mandatory PM support and the
driver depends on it.

Marc

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