pinctrl: sunxi: Libraryse the driver

This will allow to have multiple drivers using the same core code, and
eventually, retire pinctrl-sunxi-pins.h

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

2 files changed, 17 insertions, 7 deletions

diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
index f0e908702ebe..b06ce90f1ed8 100644
--- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c
+++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
@@ -787,10 +787,10 @@ static int sunxi_pinctrl_build_state(struct platform_device *pdev)
         return 0;
 }
 
-static int sunxi_pinctrl_probe(struct platform_device *pdev)
+int sunxi_pinctrl_init(struct platform_device *pdev,
+                       const struct sunxi_pinctrl_desc *desc)
 {
         struct device_node *node = pdev->dev.of_node;
-        const struct of_device_id *device;
         struct pinctrl_pin_desc *pins;
         struct sunxi_pinctrl *pctl;
         struct reset_control *rstc;
@@ -810,11 +810,7 @@ static int sunxi_pinctrl_probe(struct platform_device *pdev)
         if (IS_ERR(pctl->membase))
                 return PTR_ERR(pctl->membase);
 
-        device = of_match_device(sunxi_pinctrl_match, &pdev->dev);
-        if (!device)
-                return -ENODEV;
-
-        pctl->desc = device->data;
+        pctl->desc = desc;
 
         ret = sunxi_pinctrl_build_state(pdev);
         if (ret) {
@@ -940,6 +936,17 @@ pinctrl_error:
         return ret;
 }
 
+static int sunxi_pinctrl_probe(struct platform_device *pdev)
+{
+        const struct of_device_id *device;
+
+        device = of_match_device(sunxi_pinctrl_match, &pdev->dev);
+        if (!device)
+                return -ENODEV;
+
+        return sunxi_pinctrl_init(pdev, device->data);
+}
+
 static struct platform_driver sunxi_pinctrl_driver = {
         .probe = sunxi_pinctrl_probe,
         .driver = {
diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.h b/drivers/pinctrl/sunxi/pinctrl-sunxi.h
index 9775a5003b01..8169ba598876 100644
--- a/drivers/pinctrl/sunxi/pinctrl-sunxi.h
+++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.h
@@ -252,4 +252,7 @@ static inline u32 sunxi_irq_status_offset(u16 irq)
         return irq_num * IRQ_STATUS_IRQ_BITS;
 }
 
+int sunxi_pinctrl_init(struct platform_device *pdev,
+                       const struct sunxi_pinctrl_desc *desc);
+
 #endif /* __PINCTRL_SUNXI_H */