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authorGrant Likely <grant.likely@linaro.org>2013-08-29 00:18:32 +0400
committerGrant Likely <grant.likely@linaro.org>2013-08-29 00:18:32 +0400
commita1727da599ad030ccaf4073473fd235c8ee28219 (patch)
tree8e3cd21c4657e725a922fe2ee0da8bd8dfdb6b1c
parent7e0bdf15cee7d2c809558b8169dc5b08792d0c82 (diff)
downloadlinux-a1727da599ad030ccaf4073473fd235c8ee28219.tar.xz
of: consolidate definition of early_init_dt_alloc_memory_arch()
Most architectures use the same implementation. Collapse the common ones into a single weak function that can be overridden. Signed-off-by: Grant Likely <grant.likely@linaro.org>
-rw-r--r--arch/arc/kernel/devtree.c6
-rw-r--r--arch/arm64/kernel/setup.c5
-rw-r--r--arch/c6x/kernel/devicetree.c5
-rw-r--r--arch/microblaze/kernel/prom.c5
-rw-r--r--arch/openrisc/kernel/prom.c5
-rw-r--r--arch/powerpc/kernel/prom.c5
-rw-r--r--drivers/of/fdt.c12
7 files changed, 12 insertions, 31 deletions
diff --git a/arch/arc/kernel/devtree.c b/arch/arc/kernel/devtree.c
index bdee3a812052..2340af0e1d6f 100644
--- a/arch/arc/kernel/devtree.c
+++ b/arch/arc/kernel/devtree.c
@@ -18,12 +18,6 @@
#include <asm/clk.h>
#include <asm/mach_desc.h>
-/* called from unflatten_device_tree() to bootstrap devicetree itself */
-void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
-{
- return __va(memblock_alloc(size, align));
-}
-
/**
* setup_machine_fdt - Machine setup when an dtb was passed to the kernel
* @dt: virtual address pointer to dt blob
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index add6ea616843..0f9856a2afa4 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -190,11 +190,6 @@ void __init early_init_dt_add_memory_arch(u64 base, u64 size)
memblock_add(base, size);
}
-void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
-{
- return __va(memblock_alloc(size, align));
-}
-
/*
* Limit the memory size that was specified via FDT.
*/
diff --git a/arch/c6x/kernel/devicetree.c b/arch/c6x/kernel/devicetree.c
index 287d0e64dfba..9e15ab9199b2 100644
--- a/arch/c6x/kernel/devicetree.c
+++ b/arch/c6x/kernel/devicetree.c
@@ -45,8 +45,3 @@ void __init early_init_dt_add_memory_arch(u64 base, u64 size)
{
c6x_add_memory(base, size);
}
-
-void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
-{
- return __va(memblock_alloc(size, align));
-}
diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c
index 62e2e8f2c5d6..0c4453f134cb 100644
--- a/arch/microblaze/kernel/prom.c
+++ b/arch/microblaze/kernel/prom.c
@@ -46,11 +46,6 @@ void __init early_init_dt_add_memory_arch(u64 base, u64 size)
memblock_add(base, size);
}
-void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
-{
- return __va(memblock_alloc(size, align));
-}
-
#ifdef CONFIG_EARLY_PRINTK
static char *stdout;
diff --git a/arch/openrisc/kernel/prom.c b/arch/openrisc/kernel/prom.c
index 150215a91711..a63e76872f84 100644
--- a/arch/openrisc/kernel/prom.c
+++ b/arch/openrisc/kernel/prom.c
@@ -55,11 +55,6 @@ void __init early_init_dt_add_memory_arch(u64 base, u64 size)
memblock_add(base, size);
}
-void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
-{
- return __va(memblock_alloc(size, align));
-}
-
void __init early_init_devtree(void *params)
{
void *alloc;
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 67d18dad4368..3fa349efc4a6 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -544,11 +544,6 @@ void __init early_init_dt_add_memory_arch(u64 base, u64 size)
memblock_add(base, size);
}
-void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
-{
- return __va(memblock_alloc(size, align));
-}
-
#ifdef CONFIG_BLK_DEV_INITRD
void __init early_init_dt_setup_initrd_arch(u64 start, u64 end)
{
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index b9657e5304ed..d49b3e8159bb 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -11,6 +11,7 @@
#include <linux/kernel.h>
#include <linux/initrd.h>
+#include <linux/memblock.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_fdt.h>
@@ -700,6 +701,17 @@ int __init early_init_dt_scan_chosen(unsigned long node, const char *uname,
return 1;
}
+#ifdef CONFIG_HAVE_MEMBLOCK
+/*
+ * called from unflatten_device_tree() to bootstrap devicetree itself
+ * Architectures can override this definition if memblock isn't used
+ */
+void * __init __weak early_init_dt_alloc_memory_arch(u64 size, u64 align)
+{
+ return __va(memblock_alloc(size, align));
+}
+#endif
+
/**
* unflatten_device_tree - create tree of device_nodes from flat blob
*