Re: [PATCH resend v1 5/7] pps: clients: gpio: Make use of device properties

From: Rodolfo Giometti
Date: Tue Mar 09 2021 - 07:27:59 EST


On 09/03/21 12:24, Andy Shevchenko wrote:
> Device property API allows to gather device resources from different sources,
> such as ACPI. Convert the drivers to unleash the power of device property API.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> ---
> drivers/pps/clients/pps-gpio.c | 17 +++++++----------
> 1 file changed, 7 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/pps/clients/pps-gpio.c b/drivers/pps/clients/pps-gpio.c
> index 291240dce79e..c6db3a3b257b 100644
> --- a/drivers/pps/clients/pps-gpio.c
> +++ b/drivers/pps/clients/pps-gpio.c
> @@ -12,14 +12,14 @@
> #include <linux/init.h>
> #include <linux/kernel.h>
> #include <linux/interrupt.h>
> +#include <linux/mod_devicetable.h>
> #include <linux/module.h>
> #include <linux/platform_device.h>
> #include <linux/slab.h>
> #include <linux/pps_kernel.h>
> #include <linux/gpio/consumer.h>
> #include <linux/list.h>
> -#include <linux/of_device.h>
> -#include <linux/of_gpio.h>
> +#include <linux/property.h>
> #include <linux/timer.h>
> #include <linux/jiffies.h>
>
> @@ -102,7 +102,6 @@ static void pps_gpio_echo_timer_callback(struct timer_list *t)
> static int pps_gpio_setup(struct platform_device *pdev)
> {
> struct pps_gpio_device_data *data = platform_get_drvdata(pdev);
> - struct device_node *np = pdev->dev.of_node;
> int ret;
> u32 value;
>
> @@ -121,26 +120,24 @@ static int pps_gpio_setup(struct platform_device *pdev)
> "failed to request ECHO GPIO\n");
>
> if (data->echo_pin) {
> - ret = of_property_read_u32(np,
> - "echo-active-ms",
> - &value);
> + ret = device_property_read_u32(&pdev->dev, "echo-active-ms", &value);
> if (ret) {
> dev_err(&pdev->dev,
> - "failed to get echo-active-ms from OF\n");
> + "failed to get echo-active-ms from FW\n");
> return ret;
> }
> data->echo_active_ms = value;
> /* sanity check on echo_active_ms */
> if (!data->echo_active_ms || data->echo_active_ms > 999) {
> dev_err(&pdev->dev,
> - "echo-active-ms: %u - bad value from OF\n",
> + "echo-active-ms: %u - bad value from FW\n",
> data->echo_active_ms);
> return -EINVAL;
> }
> }
>
> - if (of_property_read_bool(np, "assert-falling-edge"))
> - data->assert_falling_edge = true;
> + data->assert_falling_edge =
> + device_property_read_bool(&pdev->dev, "assert-falling-edge");
> return 0;
> }
>
>

Acked-by: Rodolfo Giometti <giometti@xxxxxxxxxxxx>

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