On Tue, Mar 10, 2020 at 06:41:20PM -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_u64 to handle a 64-bit dividend instead of a straight division operation.
Cc: Lee Jones lee.jones@linaro.org Cc: Daniel Thompson daniel.thompson@linaro.org Cc: Jingoo Han jingoohan1@gmail.com Cc: Bartlomiej Zolnierkiewicz b.zolnierkie@samsung.com Cc: linux-pwm@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Cc: linux-fbdev@vger.kernel.org
Signed-off-by: Guru Das Srinagesh gurus@codeaurora.org
Reviewed-by: Daniel Thompson daniel.thompson@linaro.org
drivers/video/backlight/pwm_bl.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index efb4efc..3e5dbcf 100644 --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -625,7 +625,8 @@ static int pwm_backlight_probe(struct platform_device *pdev) pb->scale = data->max_brightness; }
- pb->lth_brightness = data->lth_brightness * (state.period / pb->scale);
pb->lth_brightness = data->lth_brightness * (div_u64(state.period,
pb->scale));props.type = BACKLIGHT_RAW; props.max_brightness = data->max_brightness;
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