summaryrefslogtreecommitdiff
path: root/drivers/pwm/pwm-bcm-kona.c
diff options
context:
space:
mode:
authorBoris Brezillon <boris.brezillon@free-electrons.com>2015-07-01 10:21:47 +0200
committerThierry Reding <thierry.reding@gmail.com>2015-07-20 09:46:06 +0200
commit5c31252c4a86dc591c23f1a951edd52ad791ef0e (patch)
tree4a955e92027bbf95cd5fc9222245c0e4c8810a43 /drivers/pwm/pwm-bcm-kona.c
parentd770e558e21961ad6cfdf0ff7df0eb5d7d4f0754 (diff)
downloadlinux-rpi-5c31252c4a86dc591c23f1a951edd52ad791ef0e.tar.gz
linux-rpi-5c31252c4a86dc591c23f1a951edd52ad791ef0e.tar.bz2
linux-rpi-5c31252c4a86dc591c23f1a951edd52ad791ef0e.zip
pwm: Add the pwm_is_enabled() helper
Some PWM drivers are testing the PWMF_ENABLED flag. Create a helper function to hide the logic behind enabled test. This will allow us to smoothly move from the current approach to an atomic PWM update approach. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm/pwm-bcm-kona.c')
-rw-r--r--drivers/pwm/pwm-bcm-kona.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/pwm/pwm-bcm-kona.c b/drivers/pwm/pwm-bcm-kona.c
index 7af8fea2dc5b..dfdcf88279ae 100644
--- a/drivers/pwm/pwm-bcm-kona.c
+++ b/drivers/pwm/pwm-bcm-kona.c
@@ -134,7 +134,7 @@ static int kona_pwmc_config(struct pwm_chip *chip, struct pwm_device *pwm,
}
/* If the PWM channel is enabled, write the settings to the HW */
- if (test_bit(PWMF_ENABLED, &pwm->flags)) {
+ if (pwm_is_enabled(pwm)) {
value = readl(kp->base + PRESCALE_OFFSET);
value &= ~PRESCALE_MASK(chan);
value |= prescale << PRESCALE_SHIFT(chan);
@@ -287,7 +287,7 @@ static int kona_pwmc_remove(struct platform_device *pdev)
unsigned int chan;
for (chan = 0; chan < kp->chip.npwm; chan++)
- if (test_bit(PWMF_ENABLED, &kp->chip.pwms[chan].flags))
+ if (pwm_is_enabled(&kp->chip.pwms[chan]))
clk_disable_unprepare(kp->clk);
return pwmchip_remove(&kp->chip);