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Diffstat (limited to 'arch/c6x')
-rw-r--r--arch/c6x/Kconfig1
-rw-r--r--arch/c6x/include/asm/cacheflush.h19
-rw-r--r--arch/c6x/include/asm/pgtable.h3
-rw-r--r--arch/c6x/kernel/traps.c16
-rw-r--r--arch/c6x/lib/checksum.c22
-rw-r--r--arch/c6x/mm/init.c8
6 files changed, 14 insertions, 55 deletions
diff --git a/arch/c6x/Kconfig b/arch/c6x/Kconfig
index e65e8d82442a..6444ebfd06a6 100644
--- a/arch/c6x/Kconfig
+++ b/arch/c6x/Kconfig
@@ -11,6 +11,7 @@ config C6X
select ARCH_HAS_SYNC_DMA_FOR_CPU
select ARCH_HAS_SYNC_DMA_FOR_DEVICE
select CLKDEV_LOOKUP
+ select HAVE_LEGACY_CLK
select GENERIC_ATOMIC64
select GENERIC_IRQ_SHOW
select HAVE_ARCH_TRACEHOOK
diff --git a/arch/c6x/include/asm/cacheflush.h b/arch/c6x/include/asm/cacheflush.h
index 4540b40475e6..10922d528de6 100644
--- a/arch/c6x/include/asm/cacheflush.h
+++ b/arch/c6x/include/asm/cacheflush.h
@@ -17,21 +17,6 @@
#include <asm/string.h>
/*
- * virtually-indexed cache management (our cache is physically indexed)
- */
-#define flush_cache_all() do {} while (0)
-#define flush_cache_mm(mm) do {} while (0)
-#define flush_cache_dup_mm(mm) do {} while (0)
-#define flush_cache_range(mm, start, end) do {} while (0)
-#define flush_cache_page(vma, vmaddr, pfn) do {} while (0)
-#define flush_cache_vmap(start, end) do {} while (0)
-#define flush_cache_vunmap(start, end) do {} while (0)
-#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
-#define flush_dcache_page(page) do {} while (0)
-#define flush_dcache_mmap_lock(mapping) do {} while (0)
-#define flush_dcache_mmap_unlock(mapping) do {} while (0)
-
-/*
* physically-indexed cache management
*/
#define flush_icache_range(s, e) \
@@ -49,14 +34,12 @@ do { \
(unsigned long) page_address(page) + PAGE_SIZE)); \
} while (0)
-
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
do { \
memcpy(dst, src, len); \
flush_icache_range((unsigned) (dst), (unsigned) (dst) + (len)); \
} while (0)
-#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
- memcpy(dst, src, len)
+#include <asm-generic/cacheflush.h>
#endif /* _ASM_C6X_CACHEFLUSH_H */
diff --git a/arch/c6x/include/asm/pgtable.h b/arch/c6x/include/asm/pgtable.h
index 197c473b796a..8a91ceda39fa 100644
--- a/arch/c6x/include/asm/pgtable.h
+++ b/arch/c6x/include/asm/pgtable.h
@@ -26,7 +26,6 @@
#define pgd_clear(pgdp)
#define kern_addr_valid(addr) (1)
-#define pmd_offset(a, b) ((void *)0)
#define pmd_none(x) (!pmd_val(x))
#define pmd_present(x) (pmd_val(x))
#define pmd_clear(xp) do { set_pmd(xp, __pmd(0)); } while (0)
@@ -64,6 +63,4 @@ extern unsigned long empty_zero_page;
*/
#define pgprot_writecombine pgprot_noncached
-#include <asm-generic/pgtable.h>
-
#endif /* _ASM_C6X_PGTABLE_H */
diff --git a/arch/c6x/kernel/traps.c b/arch/c6x/kernel/traps.c
index ec61034fdf56..2b9121c755be 100644
--- a/arch/c6x/kernel/traps.c
+++ b/arch/c6x/kernel/traps.c
@@ -344,12 +344,13 @@ asmlinkage int process_exception(struct pt_regs *regs)
static int kstack_depth_to_print = 48;
-static void show_trace(unsigned long *stack, unsigned long *endstack)
+static void show_trace(unsigned long *stack, unsigned long *endstack,
+ const char *loglvl)
{
unsigned long addr;
int i;
- pr_debug("Call trace:");
+ printk("%sCall trace:", loglvl);
i = 0;
while (stack + 1 <= endstack) {
addr = *stack++;
@@ -364,16 +365,17 @@ static void show_trace(unsigned long *stack, unsigned long *endstack)
if (__kernel_text_address(addr)) {
#ifndef CONFIG_KALLSYMS
if (i % 5 == 0)
- pr_debug("\n ");
+ printk("%s\n ", loglvl);
#endif
- pr_debug(" [<%08lx>] %pS\n", addr, (void *)addr);
+ printk("%s [<%08lx>] %pS\n", loglvl, addr, (void *)addr);
i++;
}
}
- pr_debug("\n");
+ printk("%s\n", loglvl);
}
-void show_stack(struct task_struct *task, unsigned long *stack)
+void show_stack(struct task_struct *task, unsigned long *stack,
+ const char *loglvl)
{
unsigned long *p, *endstack;
int i;
@@ -398,7 +400,7 @@ void show_stack(struct task_struct *task, unsigned long *stack)
pr_cont(" %08lx", *p++);
}
pr_cont("\n");
- show_trace(stack, endstack);
+ show_trace(stack, endstack, loglvl);
}
int is_valid_bugaddr(unsigned long addr)
diff --git a/arch/c6x/lib/checksum.c b/arch/c6x/lib/checksum.c
index 46940844c553..335ca4900808 100644
--- a/arch/c6x/lib/checksum.c
+++ b/arch/c6x/lib/checksum.c
@@ -4,28 +4,6 @@
#include <linux/module.h>
#include <net/checksum.h>
-#include <asm/byteorder.h>
-
-/*
- * copy from fs while checksumming, otherwise like csum_partial
- */
-__wsum
-csum_partial_copy_from_user(const void __user *src, void *dst, int len,
- __wsum sum, int *csum_err)
-{
- int missing;
-
- missing = __copy_from_user(dst, src, len);
- if (missing) {
- memset(dst + len - missing, 0, missing);
- *csum_err = -EFAULT;
- } else
- *csum_err = 0;
-
- return csum_partial(dst, len, sum);
-}
-EXPORT_SYMBOL(csum_partial_copy_from_user);
-
/* These are from csum_64plus.S */
EXPORT_SYMBOL(csum_partial);
EXPORT_SYMBOL(csum_partial_copy);
diff --git a/arch/c6x/mm/init.c b/arch/c6x/mm/init.c
index 9b374393a8f4..a97e51a3e26d 100644
--- a/arch/c6x/mm/init.c
+++ b/arch/c6x/mm/init.c
@@ -33,7 +33,7 @@ EXPORT_SYMBOL(empty_zero_page);
void __init paging_init(void)
{
struct pglist_data *pgdat = NODE_DATA(0);
- unsigned long zones_size[MAX_NR_ZONES] = {0, };
+ unsigned long max_zone_pfn[MAX_NR_ZONES] = {0, };
empty_zero_page = (unsigned long) memblock_alloc(PAGE_SIZE,
PAGE_SIZE);
@@ -49,11 +49,9 @@ void __init paging_init(void)
/*
* Define zones
*/
- zones_size[ZONE_NORMAL] = (memory_end - PAGE_OFFSET) >> PAGE_SHIFT;
- pgdat->node_zones[ZONE_NORMAL].zone_start_pfn =
- __pa(PAGE_OFFSET) >> PAGE_SHIFT;
+ max_zone_pfn[ZONE_NORMAL] = memory_end >> PAGE_SHIFT;
- free_area_init(zones_size);
+ free_area_init(max_zone_pfn);
}
void __init mem_init(void)