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authorLinus Torvalds <torvalds@linux-foundation.org>2015-07-02 04:40:18 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2015-07-02 04:40:18 +0200
commit4da3064d1775810f10f7ddc1c34c3f1ff502a654 (patch)
treedc4cd9b546e5d702226f5e3e6bf165867140985c /drivers/of/fdt.c
parentMerge git://www.linux-watchdog.org/linux-watchdog (diff)
parentof/irq: Rename "intc_desc" to "of_intc_desc" to fix OF on sh (diff)
downloadlinux-4da3064d1775810f10f7ddc1c34c3f1ff502a654.tar.xz
linux-4da3064d1775810f10f7ddc1c34c3f1ff502a654.zip
Merge tag 'devicetree-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux
Pull devicetree updates from Grant Likely: "A whole lot of bug fixes. Nothing stands out here except the ability to enable CONFIG_OF on every architecture, and an import of a newer version of dtc" * tag 'devicetree-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux: (22 commits) of/irq: Rename "intc_desc" to "of_intc_desc" to fix OF on sh of/irq: Fix pSeries boot failure Documentation: DT: Fix a typo in the filename "lantiq,<chip>-pinumx.txt" of: define of_find_node_by_phandle for !CONFIG_OF of/address: use atomic allocation in pci_register_io_range() of: Add vendor prefix for Zodiac Inflight Innovations dt/fdt: add empty versions of early_init_dt_*_memory_arch of: clean-up unnecessary libfdt include paths of: make unittest select OF_EARLY_FLATTREE instead of depend on it of: make CONFIG_OF user selectable MIPS: prepare for user enabling of CONFIG_OF of/fdt: fix argument name and add comments of unflatten_dt_node() of: return NUMA_NO_NODE from fallback of_node_to_nid() tps6507x.txt: Remove executable permission of/overlay: Grammar s/an negative/a negative/ of/fdt: Make fdt blob input parameters of unflatten functions const of: add helper function to retrive match data of: Grammar s/property exist/property exists/ of: Move OF flags to be visible even when !CONFIG_OF scripts/dtc: Update to upstream version 9d3649bd3be245c9 ...
Diffstat (limited to 'drivers/of/fdt.c')
-rw-r--r--drivers/of/fdt.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index f2dd23a32267..07496560e5b9 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -164,11 +164,14 @@ static void *unflatten_dt_alloc(void **mem, unsigned long size,
* unflatten_dt_node - Alloc and populate a device_node from the flat tree
* @blob: The parent device tree blob
* @mem: Memory chunk to use for allocating device nodes and properties
- * @p: pointer to node in flat tree
+ * @poffset: pointer to node in flat tree
* @dad: Parent struct device_node
+ * @nodepp: The device_node tree created by the call
* @fpsize: Size of the node path up at the current depth.
+ * @dryrun: If true, do not allocate device nodes but still calculate needed
+ * memory size
*/
-static void * unflatten_dt_node(void *blob,
+static void * unflatten_dt_node(const void *blob,
void *mem,
int *poffset,
struct device_node *dad,
@@ -378,7 +381,7 @@ static void * unflatten_dt_node(void *blob,
* @dt_alloc: An allocator that provides a virtual address to memory
* for the resulting tree
*/
-static void __unflatten_device_tree(void *blob,
+static void __unflatten_device_tree(const void *blob,
struct device_node **mynodes,
void * (*dt_alloc)(u64 size, u64 align))
{
@@ -441,7 +444,7 @@ static void *kernel_tree_alloc(u64 size, u64 align)
* pointers of the nodes so the normal device-tree walking functions
* can be used.
*/
-void of_fdt_unflatten_tree(unsigned long *blob,
+void of_fdt_unflatten_tree(const unsigned long *blob,
struct device_node **mynodes)
{
__unflatten_device_tree(blob, mynodes, &kernel_tree_alloc);
@@ -1024,6 +1027,11 @@ void * __init __weak early_init_dt_alloc_memory_arch(u64 size, u64 align)
return __va(memblock_alloc(size, align));
}
#else
+void __init __weak early_init_dt_add_memory_arch(u64 base, u64 size)
+{
+ WARN_ON(1);
+}
+
int __init __weak early_init_dt_reserve_memory_arch(phys_addr_t base,
phys_addr_t size, bool nomap)
{
@@ -1031,6 +1039,12 @@ int __init __weak early_init_dt_reserve_memory_arch(phys_addr_t base,
&base, &size, nomap ? " (nomap)" : "");
return -ENOSYS;
}
+
+void * __init __weak early_init_dt_alloc_memory_arch(u64 size, u64 align)
+{
+ WARN_ON(1);
+ return NULL;
+}
#endif
bool __init early_init_dt_verify(void *params)