On Tue, May 26, 2015 at 01:08:16PM -0700, Jonathan Richardson wrote:
> From: Tim Kryger <tim.kryger@gmail.com>
> 
> Add a new function to register a PWM chip with channels that have their
> initial polarity as inversed.  This benefits drivers of controllers that
> by default operate with inversed polarity by removing the need to modify
> the polarity during initialization.
> 
> Signed-off-by: Tim Kryger <tim.kryger@gmail.com>
> Signed-off-by: Jonathan Richardson <jonathar@broadcom.com>
> ---
>  drivers/pwm/core.c  |   36 ++++++++++++++++++++++++++++--------
>  include/linux/pwm.h |    6 ++++++
>  2 files changed, 34 insertions(+), 8 deletions(-)

I had to bikeshed this a little, so I ended up applying a variant that
exports pwmchip_add_with_polarity() instead of having the additional
wrapper. The rationale here is that pwmchip_add_with_polarity() is more
explicit than pwmchip_add_inversed().

Thierry