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Subject[PATCH 3/7] nios2: use generic early_init_dt_add_memory_arch
Date
All we have to do is to enable memblock, the generic FDT code will take
care of the rest.

Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Acked-by: Ley Foon Tan <ley.foon.tan@intel.com>
---
arch/nios2/Kconfig | 1 +
arch/nios2/kernel/prom.c | 10 ----------
arch/nios2/kernel/setup.c | 2 ++
3 files changed, 3 insertions(+), 10 deletions(-)

diff --git a/arch/nios2/Kconfig b/arch/nios2/Kconfig
index 3d4ec88..5db8fa1 100644
--- a/arch/nios2/Kconfig
+++ b/arch/nios2/Kconfig
@@ -19,6 +19,7 @@ config NIOS2
select SPARSE_IRQ
select USB_ARCH_HAS_HCD if USB_SUPPORT
select CPU_NO_EFFICIENT_FFS
+ select HAVE_MEMBLOCK

config GENERIC_CSUM
def_bool y
diff --git a/arch/nios2/kernel/prom.c b/arch/nios2/kernel/prom.c
index 8d7446a..ba96a49 100644
--- a/arch/nios2/kernel/prom.c
+++ b/arch/nios2/kernel/prom.c
@@ -32,16 +32,6 @@

#include <asm/sections.h>

-void __init early_init_dt_add_memory_arch(u64 base, u64 size)
-{
- u64 kernel_start = (u64)virt_to_phys(_text);
-
- if (!memory_size &&
- (kernel_start >= base) && (kernel_start < (base + size)))
- memory_size = size;
-
-}
-
int __init early_init_dt_reserve_memory_arch(phys_addr_t base, phys_addr_t size,
bool nomap)
{
diff --git a/arch/nios2/kernel/setup.c b/arch/nios2/kernel/setup.c
index 926a02b..0946840 100644
--- a/arch/nios2/kernel/setup.c
+++ b/arch/nios2/kernel/setup.c
@@ -17,6 +17,7 @@
#include <linux/sched/task.h>
#include <linux/console.h>
#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/initrd.h>
#include <linux/of_fdt.h>
#include <linux/screen_info.h>
@@ -147,6 +148,7 @@ void __init setup_arch(char **cmdline_p)

console_verbose();

+ memory_size = memblock_phys_mem_size();
memory_start = PAGE_ALIGN((unsigned long)__pa(_end));
memory_end = (unsigned long) CONFIG_NIOS2_MEM_BASE + memory_size;

--
2.7.4
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