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iio: trigger: stm32-timer: Make use of device properties

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Convert the module to be property provider agnostic and allow
it to be used on non-OF platforms.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Link: https://lore.kernel.org/r/20220202204112.57095-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Andy Shevchenko
2022-02-02 22:41:12 +02:00
committed by Jonathan Cameron
parent b863f2e3a8
commit 150ba97f1c
2 changed files with 7 additions and 6 deletions
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2
drivers/iio/trigger/Kconfig
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@@ -38,7 +38,7 @@ config IIO_STM32_LPTIMER_TRIGGER
config IIO_STM32_TIMER_TRIGGER config IIO_STM32_TIMER_TRIGGER
tristate "STM32 Timer Trigger" tristate "STM32 Timer Trigger"
depends on (ARCH_STM32 && OF && MFD_STM32_TIMERS) || COMPILE_TEST depends on (ARCH_STM32 && MFD_STM32_TIMERS) || COMPILE_TEST
help help
Select this option to enable STM32 Timer Trigger Select this option to enable STM32 Timer Trigger

11
drivers/iio/trigger/stm32-timer-trigger.c
View File

@@ -11,9 +11,10 @@
#include <linux/iio/timer/stm32-timer-trigger.h> #include <linux/iio/timer/stm32-timer-trigger.h>
#include <linux/iio/trigger.h> #include <linux/iio/trigger.h>
#include <linux/mfd/stm32-timers.h> #include <linux/mfd/stm32-timers.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h> #include <linux/module.h>
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/of_device.h> #include <linux/property.h>
#define MAX_TRIGGERS 7 #define MAX_TRIGGERS 7
#define MAX_VALIDS 5 #define MAX_VALIDS 5
@@ -771,11 +772,11 @@ static int stm32_timer_trigger_probe(struct platform_device *pdev)
unsigned int index; unsigned int index;
int ret; int ret;
if (of_property_read_u32(dev->of_node, "reg", &index)) ret = device_property_read_u32(dev, "reg", &index);
return -EINVAL; if (ret)
return ret;
cfg = (const struct stm32_timer_trigger_cfg *) cfg = device_get_match_data(dev);
of_match_device(dev->driver->of_match_table, dev)->data;
if (index >= ARRAY_SIZE(triggers_table) || if (index >= ARRAY_SIZE(triggers_table) ||
index >= cfg->num_valids_table) index >= cfg->num_valids_table)