rtc: omap: use of_device_is_system_power_controller function

Use of_device_is_system_power_controller instead of manually reading
the system-power-controller property from the device tree node.

Reviewed-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c
index 323ff55cc16564833d75ed4b0fa682642ad4fc0f..44ff4cc62a61746d775173beb65591ed6107b7bc 100644 (file)
--- a/drivers/rtc/rtc-omap.c
+++ b/drivers/rtc/rtc-omap.c
@@ -721,8 +721,7 @@ static int omap_rtc_probe(struct platform_device *pdev)
        if (of_id) {
                rtc->type = of_id->data;
                rtc->is_pmic_controller = rtc->type->has_pmic_mode &&
-                               of_property_read_bool(pdev->dev.of_node,
-                                               "system-power-controller");
+                       of_device_is_system_power_controller(pdev->dev.of_node);
        } else {
                id_entry = platform_get_device_id(pdev);
                rtc->type = (void *)id_entry->driver_data;