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nios2 update for v4.10-rc1 

- add screen_info
 - Convert pfn_valid to static inline
 - Extend !__ASSEMBLY__ section in asm/page.h
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Merge tag 'nios2-v4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2

Pull arch/nios2 updates from Ley Foon Tan:

 - add screen_info

 - Convert pfn_valid to static inline

 - Extend !__ASSEMBLY__ section in asm/page.h

* tag 'nios2-v4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2:
  nios2: add screen_info
  nios2: Convert pfn_valid to static inline
  nios2: Extend !__ASSEMBLY__ section in asm/page.h
This commit is contained in:
Linus Torvalds 2016-12-16 09:33:16 -08:00
parent de399813b5 744606c76c
commit 70f56cbbdc
2 changed files with 16 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
arch/nios2/include/asm/page.h
View File

@ -76,8 +76,6 @@ extern unsigned long memory_size;
extern struct page *mem_map;
#endif /* !__ASSEMBLY__ */
# define __pa(x) \
((unsigned long)(x) - PAGE_OFFSET + PHYS_OFFSET)
# define __va(x) \
@ -87,8 +85,15 @@ extern struct page *mem_map;
((void *)(((page) - mem_map) << PAGE_SHIFT) + PAGE_OFFSET)
# define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
# define pfn_valid(pfn) ((pfn) >= ARCH_PFN_OFFSET && \
(pfn) < max_mapnr)
static inline bool pfn_valid(unsigned long pfn)
{
/* avoid <linux/mm.h> include hell */
extern unsigned long max_mapnr;
unsigned long pfn_offset = ARCH_PFN_OFFSET;
return pfn >= pfn_offset && pfn < max_mapnr;
}
# define virt_to_page(vaddr) pfn_to_page(PFN_DOWN(virt_to_phys(vaddr)))
# define virt_addr_valid(vaddr) pfn_valid(PFN_DOWN(virt_to_phys(vaddr)))
@ -106,4 +111,6 @@ extern struct page *mem_map;
#include <asm-generic/getorder.h>
#endif /* !__ASSEMBLY__ */
#endif /* _ASM_NIOS2_PAGE_H */

5
arch/nios2/kernel/setup.c
View File

@ -18,6 +18,7 @@
#include <linux/bootmem.h>
#include <linux/initrd.h>
#include <linux/of_fdt.h>
#include <linux/screen_info.h>
#include <asm/mmu_context.h>
#include <asm/sections.h>
@ -36,6 +37,10 @@ static struct pt_regs fake_regs = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0};
#ifdef CONFIG_VT
struct screen_info screen_info;
#endif
/* Copy a short hook instruction sequence to the exception address */
static inline void copy_exception_handler(unsigned int addr)
{