[PATCHv3 1/4] pwm: Add Freescale FTM PWM driver support

[Thierry Reding]

On Fri, Sep 06, 2013 at 04:08:24PM +0800, Xiubo Li wrote:
> The FTM PWM device can be found on Vybrid VF610 Tower and Layerscape LS-1 SoCs.
> 
> Signed-off-by: Xiubo Li <Li.Xiubo at freescale.com>
> Signed-off-by: Jingchang Lu <b35083 at freescale.com>
> ---
>  drivers/pwm/Kconfig       |  10 +
>  drivers/pwm/Makefile      |   1 +
>  drivers/pwm/pwm-fsl-ftm.c | 505 ++++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 516 insertions(+)
>  create mode 100644 drivers/pwm/pwm-fsl-ftm.c

This looks pretty good to me. I noticed that you didn't Cc Sascha who
commented on this a lot. Can you please resend with him Cc'ed to make
sure he sees this version of the series?

One thing jumped out at me, so I've commented on it below, but I will go
over the patch more carefully after you resend.

[...]
> diff --git a/drivers/pwm/pwm-fsl-ftm.c b/drivers/pwm/pwm-fsl-ftm.c
[...]
> +static int fsl_counter_clock_enable(struct fsl_pwm_chip *fpc)
> +{
[...]
> +	switch (fpc->counter_clk_select) {
> +	case FSL_COUNTER_CLK_SYS:
> +		reg |= FTMSC_CLKSYS;
> +		break;
> +	case FSL_COUNTER_CLK_FIX:
> +		reg |= FTMSC_CLKFIX;
> +		break;
> +	case FSL_COUNTER_CLK_EXT:
> +		ret |= FTMSC_CLKEXT;

s/ret/reg/

Thierry
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