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

[Andy Shevchenko]

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.shevche...@linux.intel.com>
---
 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;
 }
 
-- 
2.30.0