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device: Const-ify all device driver instance pointers

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Now that device_api attribute is unmodified at runtime, as well as all
the other attributes, it is possible to switch all device driver
instance to be constant.

A coccinelle rule is used for this:

@r_const_dev_1
  disable optional_qualifier
@
@@
-struct device *
+const struct device *

@r_const_dev_2
 disable optional_qualifier
@
@@
-struct device * const
+const struct device *

Fixes #27399

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
This commit is contained in:
Tomasz Bursztyka 2020-04-30 20:33:38 +02:00 • committed by Carles Cufí
commit e18fcbba5a
1426 changed files with 9356 additions and 8368 deletions
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9
drivers/pwm/pwm_led_esp32.c
View file

@ -213,7 +213,7 @@ static int pwm_led_esp32_channel_set(int pin, bool speed_mode, int channel,
const int pin_mode = GPIO_OUTPUT;
const char *device_name;
struct device *gpio;
const struct device *gpio;
int ret;
uint32_t sig_out_idx;
@ -311,7 +311,7 @@ static int pwm_led_esp32_timer_set(int speed_mode, int timer,
}
/* period_cycles is not used, set frequency on menuconfig instead. */
static int pwm_led_esp32_pin_set_cycles(struct device *dev,
static int pwm_led_esp32_pin_set_cycles(const struct device *dev,
uint32_t pwm, uint32_t period_cycles,
uint32_t pulse_cycles, pwm_flags_t flags)
{
@ -365,7 +365,8 @@ static int pwm_led_esp32_pin_set_cycles(struct device *dev,
return ret;
}
static int pwm_led_esp32_get_cycles_per_sec(struct device *dev, uint32_t pwm,
static int pwm_led_esp32_get_cycles_per_sec(const struct device *dev,
uint32_t pwm,
uint64_t *cycles)
{
const struct pwm_led_esp32_config *config;
@ -394,7 +395,7 @@ static const struct pwm_driver_api pwm_led_esp32_api = {
.get_cycles_per_sec = pwm_led_esp32_get_cycles_per_sec,
};
int pwm_led_esp32_init(struct device *dev)
int pwm_led_esp32_init(const struct device *dev)
{
return 0;
}