Merge branch 'for-next/misc'

4 files changed, 64 insertions, 8 deletions

diff --git a/drivers/gpio/gpio-generic.c b/drivers/gpio/gpio-generic.c
index c6202fc651..14b451bfff 100644
--- a/drivers/gpio/gpio-generic.c
+++ b/drivers/gpio/gpio-generic.c
@@ -308,7 +308,7 @@ static void __iomem *bgpio_map(struct device_d *dev, const char *name,
 			       resource_size_t sane_sz, int *err)
 {
 	struct resource *r;
-	void __iomem *ret;
+	struct resource *ret;
 
 	*err = 0;
 
@@ -327,7 +327,7 @@ static void __iomem *bgpio_map(struct device_d *dev, const char *name,
 		return NULL;
 	}
 
-	return ret;
+	return IOMEM(ret->start);
 }
 
 static int bgpio_dev_probe(struct device_d *dev)
@@ -410,9 +410,18 @@ static struct platform_device_id bgpio_id_table[] = {
 	{ }
 };
 
+static struct of_device_id __maybe_unused bgpio_of_match[] = {
+	{
+		.compatible = "wd,mbl-gpio",
+	}, {
+		/* sentinel */
+	}
+};
+
 static struct driver_d bgpio_driver = {
 	.name		= "basic-mmio-gpio",
 	.id_table	= bgpio_id_table,
+	.of_compatible	= DRV_OF_COMPAT(bgpio_of_match),
 	.probe		= bgpio_dev_probe,
 	.remove		= bgpio_dev_remove,
 };
diff --git a/drivers/of/base.c b/drivers/of/base.c
index ea330d1310..95bea4ee83 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -1622,6 +1622,29 @@ int of_device_is_available(const struct device_node *device)
 EXPORT_SYMBOL(of_device_is_available);
 
 /**
+ *  of_device_is_big_endian - check if a device has BE registers
+ *
+ *  @device: Node to check for endianness
+ *
+ *  Returns true if the device has a "big-endian" property, or if the kernel
+ *  was compiled for BE *and* the device has a "native-endian" property.
+ *  Returns false otherwise.
+ *
+ *  Callers would nominally use ioread32be/iowrite32be if
+ *  of_device_is_big_endian() == true, or readl/writel otherwise.
+ */
+bool of_device_is_big_endian(const struct device_node *device)
+{
+	if (of_property_read_bool(device, "big-endian"))
+		return true;
+	if (IS_ENABLED(CONFIG_CPU_BIG_ENDIAN) &&
+	    of_property_read_bool(device, "native-endian"))
+		return true;
+	return false;
+}
+EXPORT_SYMBOL(of_device_is_big_endian);
+
+/**
  *	of_get_parent - Get a node's parent if any
  *	@node:	Node to get parent
  *
diff --git a/drivers/serial/serial_ns16550.c b/drivers/serial/serial_ns16550.c
index a8953cd99d..4d73ea8b87 100644
--- a/drivers/serial/serial_ns16550.c
+++ b/drivers/serial/serial_ns16550.c
@@ -94,6 +94,16 @@ static void ns16550_write_reg_mmio_32(struct ns16550_priv *priv, uint8_t val, un
 	writel(val, priv->mmiobase + offset);
 }
 
+static uint8_t ns16550_read_reg_mmio_32be(struct ns16550_priv *priv, unsigned offset)
+{
+	return ioread32be(priv->mmiobase + offset);
+}
+
+static void ns16550_write_reg_mmio_32be(struct ns16550_priv *priv, uint8_t val, unsigned offset)
+{
+	iowrite32be(val, priv->mmiobase + offset);
+}
+
 static uint8_t ns16550_read_reg_ioport_8(struct ns16550_priv *priv, unsigned offset)
 {
 	return inb(priv->iobase + offset);
@@ -305,8 +315,13 @@ static void ns16550_probe_dt(struct device_d *dev, struct ns16550_priv *priv)
 			priv->write_reg = ns16550_write_reg_mmio_16;
 			break;
 		case 4:
-			priv->read_reg = ns16550_read_reg_mmio_32;
-			priv->write_reg = ns16550_write_reg_mmio_32;
+			if (of_device_is_big_endian(np)) {
+				priv->read_reg = ns16550_read_reg_mmio_32be;
+				priv->write_reg = ns16550_write_reg_mmio_32be;
+			} else {
+				priv->read_reg = ns16550_read_reg_mmio_32;
+				priv->write_reg = ns16550_write_reg_mmio_32;
+			}
 			break;
 		default:
 			dev_err(dev, "unsupported reg-io-width (%d)\n",
diff --git a/drivers/usb/gadget/autostart.c b/drivers/usb/gadget/autostart.c
index 4ad1dd6be1..465d8fd380 100644
--- a/drivers/usb/gadget/autostart.c
+++ b/drivers/usb/gadget/autostart.c
@@ -31,19 +31,28 @@ static char *fastboot_function;
 
 static int usbgadget_autostart(void)
 {
-	struct f_multi_opts opts = {};
+	struct f_multi_opts *opts;
+	int ret;
 
 	if (!autostart)
 		return 0;
 
 	setenv("otg.mode", "peripheral");
 
+	opts = xzalloc(sizeof(*opts));
+	opts->release = usb_multi_opts_release;
+
 	if (fastboot_function)
-		opts.fastboot_opts.files = file_list_parse(fastboot_function);
+		opts->fastboot_opts.files = file_list_parse(fastboot_function);
+
+	opts->create_acm = acm;
+
 
-	opts.create_acm = acm;
+	ret = usb_multi_register(opts);
+	if (ret)
+		usb_multi_opts_release(opts);
 
-	return usb_multi_register(&opts);
+	return ret;
 }
 postenvironment_initcall(usbgadget_autostart);