1 files changed, 19 insertions, 42 deletions

diff --git a/drivers/gpio/gpio-mmio.c b/drivers/gpio/gpio-mmio.c
index 08466e123818..cf878c2ea6bf 100644
--- a/drivers/gpio/gpio-mmio.c
+++ b/drivers/gpio/gpio-mmio.c
@@ -734,28 +734,6 @@ static const struct of_device_id bgpio_of_match[] = {
 };
 MODULE_DEVICE_TABLE(of, bgpio_of_match);
 
-static struct bgpio_pdata *bgpio_parse_fw(struct device *dev, unsigned long *flags)
-{
-	struct bgpio_pdata *pdata;
-
-	if (!dev_fwnode(dev))
-		return NULL;
-
-	pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
-	if (!pdata)
-		return ERR_PTR(-ENOMEM);
-
-	pdata->base = -1;
-
-	if (device_is_big_endian(dev))
-		*flags |= BGPIOF_BIG_ENDIAN_BYTE_ORDER;
-
-	if (device_property_read_bool(dev, "no-output"))
-		*flags |= BGPIOF_NO_OUTPUT;
-
-	return pdata;
-}
-
 static int bgpio_pdev_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
@@ -767,18 +745,10 @@ static int bgpio_pdev_probe(struct platform_device *pdev)
 	void __iomem *dirin;
 	unsigned long sz;
 	unsigned long flags = 0;
+	unsigned int base;
 	int err;
 	struct gpio_chip *gc;
-	struct bgpio_pdata *pdata;
-
-	pdata = bgpio_parse_fw(dev, &flags);
-	if (IS_ERR(pdata))
-		return PTR_ERR(pdata);
-
-	if (!pdata) {
-		pdata = dev_get_platdata(dev);
-		flags = pdev->id_entry->driver_data;
-	}
+	const char *label;
 
 	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dat");
 	if (!r)
@@ -810,17 +780,27 @@ static int bgpio_pdev_probe(struct platform_device *pdev)
 	if (!gc)
 		return -ENOMEM;
 
+	if (device_is_big_endian(dev))
+		flags |= BGPIOF_BIG_ENDIAN_BYTE_ORDER;
+
+	if (device_property_read_bool(dev, "no-output"))
+		flags |= BGPIOF_NO_OUTPUT;
+
 	err = bgpio_init(gc, dev, sz, dat, set, clr, dirout, dirin, flags);
 	if (err)
 		return err;
 
-	if (pdata) {
-		if (pdata->label)
-			gc->label = pdata->label;
-		gc->base = pdata->base;
-		if (pdata->ngpio > 0)
-			gc->ngpio = pdata->ngpio;
-	}
+	err = device_property_read_string(dev, "label", &label);
+	if (!err)
+		gc->label = label;
+
+	/*
+	 * This property *must not* be used in device-tree sources, it's only
+	 * meant to be passed to the driver from board files and MFD core.
+	 */
+	err = device_property_read_u32(dev, "gpio-mmio,base", &base);
+	if (!err && base <= INT_MAX)
+		gc->base = base;
 
 	platform_set_drvdata(pdev, gc);
 
@@ -831,9 +811,6 @@ static const struct platform_device_id bgpio_id_table[] = {
 	{
 		.name		= "basic-mmio-gpio",
 		.driver_data	= 0,
-	}, {
-		.name		= "basic-mmio-gpio-be",
-		.driver_data	= BGPIOF_BIG_ENDIAN,
 	},
 	{ }
 };