Buildroot-YuzukiSBC/buildroot/board/allwinner/suniv-f1c100s/patch/linux/0006-Add-rfkill-gpio-DT-support.patch
YuzukiTsuru 91d414c5ad rename
2022-02-17 00:00:03 +08:00

69 lines
1.8 KiB
Diff

---
net/rfkill/rfkill-gpio.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/net/rfkill/rfkill-gpio.c b/net/rfkill/rfkill-gpio.c
index f5afc9bcd..f731cd0a2 100644
--- a/net/rfkill/rfkill-gpio.c
+++ b/net/rfkill/rfkill-gpio.c
@@ -13,6 +13,7 @@
#include <linux/slab.h>
#include <linux/acpi.h>
#include <linux/gpio/consumer.h>
+#include <linux/of_gpio.h>
struct rfkill_gpio_data {
const char *name;
@@ -71,6 +72,18 @@ static int rfkill_gpio_acpi_probe(struct device *dev,
return devm_acpi_dev_add_driver_gpios(dev, acpi_rfkill_default_gpios);
}
+static int rfkill_gpio_dt_probe(struct device *dev,
+ struct rfkill_gpio_data *rfkill)
+{
+ struct device_node * np = dev->of_node;
+
+ rfkill->name = np->name;
+ of_property_read_string(np, "rfkill-name", &rfkill->name);
+ of_property_read_u32(np, "rfkill-type", &rfkill->type);
+
+ return 0;
+}
+
static int rfkill_gpio_probe(struct platform_device *pdev)
{
struct rfkill_gpio_data *rfkill;
@@ -94,6 +107,10 @@ static int rfkill_gpio_probe(struct platform_device *pdev)
ret = rfkill_gpio_acpi_probe(&pdev->dev, rfkill);
if (ret)
return ret;
+ } else if (&pdev->dev.of_node) {
+ ret = rfkill_gpio_dt_probe(&pdev->dev, rfkill);
+ if (ret)
+ return ret;
}
rfkill->clk = devm_clk_get(&pdev->dev, NULL);
@@ -157,12 +174,18 @@ static const struct acpi_device_id rfkill_acpi_match[] = {
MODULE_DEVICE_TABLE(acpi, rfkill_acpi_match);
#endif
+static const struct of_device_id rfkill_of_match[] = {
+ { .compatible = "rfkill-gpio", },
+ {},
+};
+
static struct platform_driver rfkill_gpio_driver = {
.probe = rfkill_gpio_probe,
.remove = rfkill_gpio_remove,
.driver = {
.name = "rfkill_gpio",
.acpi_match_table = ACPI_PTR(rfkill_acpi_match),
+ .of_match_table = of_match_ptr(rfkill_of_match),
},
};
--
2.17.1