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pwm: Changes for v4.11-rc1

Browse source 
This set contains mostly fixes to existing drivers as well as cleanup of
 code that's not been in active use for a while.
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Merge tag 'pwm/for-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

Pull pwm updates from Thierry Reding:
 "This set contains mostly fixes to existing drivers as well as cleanup
  of code that's not been in active use for a while"

* tag 'pwm/for-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (27 commits)
  acpi: lpss: call pwm_add_table() for BSW PWM device
  pwm: Try to load modules during pwm_get()
  pwm: Don't hold pwm_lookup_lock longer than necessary
  pwm: Make the PWM_POLARITY flag in DTB optional
  pwm: Print error messages with pr_err() instead of pr_debug()
  pwm: imx: Add polarity inversion support to i.MX's PWMv2
  pwm: imx: doc: Update imx-pwm.txt documentation entry
  pwm: imx: Remove redundant i.MX PWMv2 code
  pwm: imx: Provide atomic PWM support for i.MX PWMv2
  pwm: imx: Move PWMv2 wait for fifo slot code to a separate function
  pwm: imx: Move PWMv2 software reset code to a separate function
  pwm: imx: Rewrite v1 code to facilitate switch to atomic PWM
  pwm: imx: Add separate set of PWM ops for v1 and v2
  pwm: imx: Remove ipg clock and enable per clock when required
  pwm: lpss: Add Intel Gemini Lake PCI ID
  pwm: lpss: Do not export board infos for different PWM types
  pwm: lpss: Avoid reconfiguring while UPDATE bit is still enabled
  pwm: lpss: Switch to new atomic API
  pwm: lpss: Allow duty cycle to be 0
  pwm: lpss: Avoid potential overflow of base_unit
  ...
This commit is contained in:
Linus Torvalds 2017-03-01 09:46:02 -08:00
commit 545b2820c4
28 changed files with 480 additions and 310 deletions
Download patch file Download diff file Expand all files Collapse all files

16
drivers/leds/leds-pwm.c
View file

@ -29,7 +29,6 @@ struct led_pwm_data {
unsigned int active_low;
unsigned int period;
int duty;
bool can_sleep;
};
struct led_pwm_priv {
@ -49,8 +48,8 @@ static void __led_pwm_set(struct led_pwm_data *led_dat)
pwm_enable(led_dat->pwm);
}
static void led_pwm_set(struct led_classdev *led_cdev,
enum led_brightness brightness)
static int led_pwm_set(struct led_classdev *led_cdev,
enum led_brightness brightness)
{
struct led_pwm_data *led_dat =
container_of(led_cdev, struct led_pwm_data, cdev);
@ -66,12 +65,7 @@ static void led_pwm_set(struct led_classdev *led_cdev,
led_dat->duty = duty;
__led_pwm_set(led_dat);
}
static int led_pwm_set_blocking(struct led_classdev *led_cdev,
enum led_brightness brightness)
{
led_pwm_set(led_cdev, brightness);
return 0;
}
@ -112,11 +106,7 @@ static int led_pwm_add(struct device *dev, struct led_pwm_priv *priv,
return ret;
}
led_data->can_sleep = pwm_can_sleep(led_data->pwm);
if (!led_data->can_sleep)
led_data->cdev.brightness_set = led_pwm_set;
else
led_data->cdev.brightness_set_blocking = led_pwm_set_blocking;
led_data->cdev.brightness_set_blocking = led_pwm_set;
/*
* FIXME: pwm_apply_args() should be removed when switching to the