4 files changed, 29 insertions, 11 deletions

diff --git a/drivers/of/base.c b/drivers/of/base.c
index d8574adf0d62..293ed4b687ba 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -138,6 +138,9 @@ int __of_add_property_sysfs(struct device_node *np, struct property *pp)
 	/* Important: Don't leak passwords */
 	bool secure = strncmp(pp->name, "security-", 9) == 0;
 
+	if (!IS_ENABLED(CONFIG_SYSFS))
+		return 0;
+
 	if (!of_kset || !of_node_is_attached(np))
 		return 0;
 
@@ -158,6 +161,9 @@ int __of_attach_node_sysfs(struct device_node *np)
 	struct property *pp;
 	int rc;
 
+	if (!IS_ENABLED(CONFIG_SYSFS))
+		return 0;
+
 	if (!of_kset)
 		return 0;
 
@@ -1713,6 +1719,9 @@ int __of_remove_property(struct device_node *np, struct property *prop)
 
 void __of_remove_property_sysfs(struct device_node *np, struct property *prop)
 {
+	if (!IS_ENABLED(CONFIG_SYSFS))
+		return;
+
 	/* at early boot, bail here and defer setup to of_init() */
 	if (of_kset && of_node_is_attached(np))
 		sysfs_remove_bin_file(&np->kobj, &prop->attr);
@@ -1777,6 +1786,9 @@ int __of_update_property(struct device_node *np, struct property *newprop,
 void __of_update_property_sysfs(struct device_node *np, struct property *newprop,
 		struct property *oldprop)
 {
+	if (!IS_ENABLED(CONFIG_SYSFS))
+		return;
+
 	/* At early boot, bail out and defer setup to of_init() */
 	if (!of_kset)
 		return;
@@ -1847,6 +1859,7 @@ void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align))
 {
 	struct property *pp;
 
+	of_aliases = of_find_node_by_path("/aliases");
 	of_chosen = of_find_node_by_path("/chosen");
 	if (of_chosen == NULL)
 		of_chosen = of_find_node_by_path("/chosen@0");
@@ -1862,7 +1875,6 @@ void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align))
 			of_stdout = of_find_node_by_path(name);
 	}
 
-	of_aliases = of_find_node_by_path("/aliases");
 	if (!of_aliases)
 		return;
 
@@ -1986,7 +1998,7 @@ bool of_console_check(struct device_node *dn, char *name, int index)
 {
 	if (!dn || dn != of_stdout || console_set_on_cmdline)
 		return false;
-	return add_preferred_console(name, index, NULL);
+	return !add_preferred_console(name, index, NULL);
 }
 EXPORT_SYMBOL_GPL(of_console_check);
 
diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c
index 54fecc49a1fe..f297891d8529 100644
--- a/drivers/of/dynamic.c
+++ b/drivers/of/dynamic.c
@@ -45,6 +45,9 @@ void __of_detach_node_sysfs(struct device_node *np)
 {
 	struct property *pp;
 
+	if (!IS_ENABLED(CONFIG_SYSFS))
+		return;
+
 	BUG_ON(!of_node_is_initialized(np));
 	if (!of_kset)
 		return;
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 79cb8313c7d8..d1ffca8b34ea 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -928,7 +928,11 @@ int __init early_init_dt_scan_chosen(unsigned long node, const char *uname,
 void __init __weak early_init_dt_add_memory_arch(u64 base, u64 size)
 {
 	const u64 phys_offset = __pa(PAGE_OFFSET);
-	base &= PAGE_MASK;
+
+	if (!PAGE_ALIGNED(base)) {
+		size -= PAGE_SIZE - (base & ~PAGE_MASK);
+		base = PAGE_ALIGN(base);
+	}
 	size &= PAGE_MASK;
 
 	if (base > MAX_PHYS_ADDR) {
@@ -937,10 +941,10 @@ void __init __weak early_init_dt_add_memory_arch(u64 base, u64 size)
 		return;
 	}
 
-	if (base + size > MAX_PHYS_ADDR) {
-		pr_warning("Ignoring memory range 0x%lx - 0x%llx\n",
-				ULONG_MAX, base + size);
-		size = MAX_PHYS_ADDR - base;
+	if (base + size - 1 > MAX_PHYS_ADDR) {
+		pr_warning("Ignoring memory range 0x%llx - 0x%llx\n",
+				((u64)MAX_PHYS_ADDR) + 1, base + size);
+		size = MAX_PHYS_ADDR - base + 1;
 	}
 
 	if (base + size < phys_offset) {
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 0197725e033a..3b64d0bf5bba 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -160,11 +160,10 @@ EXPORT_SYMBOL(of_device_alloc);
  * can use Platform bus notifier and handle BUS_NOTIFY_ADD_DEVICE event
  * to fix up DMA configuration.
  */
-static void of_dma_configure(struct platform_device *pdev)
+static void of_dma_configure(struct device *dev)
 {
 	u64 dma_addr, paddr, size;
 	int ret;
-	struct device *dev = &pdev->dev;
 
 	/*
 	 * Set default dma-mask to 32 bit. Drivers are expected to setup
@@ -229,7 +228,7 @@ static struct platform_device *of_platform_device_create_pdata(
 	if (!dev)
 		goto err_clear_flag;
 
-	of_dma_configure(dev);
+	of_dma_configure(&dev->dev);
 	dev->dev.bus = &platform_bus_type;
 	dev->dev.platform_data = platform_data;
 
@@ -291,7 +290,6 @@ static struct amba_device *of_amba_device_create(struct device_node *node,
 	}
 
 	/* setup generic device info */
-	dev->dev.coherent_dma_mask = ~0;
 	dev->dev.of_node = of_node_get(node);
 	dev->dev.parent = parent;
 	dev->dev.platform_data = platform_data;
@@ -299,6 +297,7 @@ static struct amba_device *of_amba_device_create(struct device_node *node,
 		dev_set_name(&dev->dev, "%s", bus_id);
 	else
 		of_device_make_bus_id(&dev->dev);
+	of_dma_configure(&dev->dev);
 
 	/* Allow the HW Peripheral ID to be overridden */
 	prop = of_get_property(node, "arm,primecell-periphid", NULL);