Subject: Re: [PATCH v16 06/11] pwm: imx27: Use 64-bit division macro

From: Guru Das Srinagesh <[email-masked]>
Date: Tue, 2 Jun 2020 15:34:53 -0700

On Tue, Jun 02, 2020 at 03:31:11PM -0700, Guru Das Srinagesh wrote:
> Since the PWM framework is switching struct pwm_state.period's
> datatype to u64, prepare for this transition by using
> DIV_ROUND_UP_ULL to handle a 64-bit dividend.
> 
> Signed-off-by: Guru Das Srinagesh <[email-masked]>
> ---
>  drivers/pwm/pwm-imx27.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/pwm/pwm-imx27.c b/drivers/pwm/pwm-imx27.c
> index 732a6f3..c50d453 100644
> --- a/drivers/pwm/pwm-imx27.c
> +++ b/drivers/pwm/pwm-imx27.c
> @@ -202,7 +202,7 @@ static void pwm_imx27_wait_fifo_slot(struct pwm_chip *chip,
>  	sr = readl(imx->mmio_base + MX3_PWMSR);
>  	fifoav = FIELD_GET(MX3_PWMSR_FIFOAV, sr);
>  	if (fifoav == MX3_PWMSR_FIFOAV_4WORDS) {
> -		period_ms = DIV_ROUND_UP(pwm_get_period(pwm),
> +		period_ms = DIV_ROUND_UP_ULL(pwm_get_period(pwm),
>  					 NSEC_PER_MSEC);
>  		msleep(period_ms);
>  
> -- 

Please disregard this patch, it was sent by mistake. The correct patch
is [1].

[1]: https://lore.kernel.org/lkml/[email-masked]/

Thank you.

Guru Das.

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