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-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/process.c4
-rw-r--r--arch/c6x/kernel/ptrace.c11
-rw-r--r--arch/c6x/kernel/traps.c16
-rw-r--r--arch/c6x/lib/checksum.c2
-rw-r--r--arch/c6x/lib/csum_64plus.S8
8 files changed, 21 insertions, 43 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/process.c b/arch/c6x/kernel/process.c
index cb9c8b63cddd..9f4fd6a40a10 100644
--- a/arch/c6x/kernel/process.c
+++ b/arch/c6x/kernel/process.c
@@ -105,8 +105,8 @@ void start_thread(struct pt_regs *regs, unsigned int pc, unsigned long usp)
* Copy a new thread context in its stack.
*/
int copy_thread(unsigned long clone_flags, unsigned long usp,
- unsigned long ustk_size,
- struct task_struct *p)
+ unsigned long ustk_size, struct task_struct *p,
+ unsigned long tls)
{
struct pt_regs *childregs;
diff --git a/arch/c6x/kernel/ptrace.c b/arch/c6x/kernel/ptrace.c
index 67af1562da86..3cdaa8cf0ed6 100644
--- a/arch/c6x/kernel/ptrace.c
+++ b/arch/c6x/kernel/ptrace.c
@@ -57,14 +57,9 @@ static inline int put_reg(struct task_struct *task,
static int gpr_get(struct task_struct *target,
const struct user_regset *regset,
- unsigned int pos, unsigned int count,
- void *kbuf, void __user *ubuf)
+ struct membuf to)
{
- struct pt_regs *regs = task_pt_regs(target);
-
- return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
- regs,
- 0, sizeof(*regs));
+ return membuf_write(&to, task_pt_regs(target), sizeof(struct pt_regs));
}
enum c6x_regset {
@@ -77,7 +72,7 @@ static const struct user_regset c6x_regsets[] = {
.n = ELF_NGREG,
.size = sizeof(u32),
.align = sizeof(u32),
- .get = gpr_get,
+ .regset_get = gpr_get,
},
};
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 335ca4900808..dff2e2ec6e64 100644
--- a/arch/c6x/lib/checksum.c
+++ b/arch/c6x/lib/checksum.c
@@ -6,6 +6,6 @@
/* These are from csum_64plus.S */
EXPORT_SYMBOL(csum_partial);
-EXPORT_SYMBOL(csum_partial_copy);
+EXPORT_SYMBOL(csum_partial_copy_nocheck);
EXPORT_SYMBOL(ip_compute_csum);
EXPORT_SYMBOL(ip_fast_csum);
diff --git a/arch/c6x/lib/csum_64plus.S b/arch/c6x/lib/csum_64plus.S
index 8e625a30fd43..9c07127485d1 100644
--- a/arch/c6x/lib/csum_64plus.S
+++ b/arch/c6x/lib/csum_64plus.S
@@ -10,8 +10,8 @@
#include <linux/linkage.h>
;
-;unsigned int csum_partial_copy(const char *src, char * dst,
-; int len, int sum)
+;unsigned int csum_partial_copy_nocheck(const char *src, char * dst,
+; int len, int sum)
;
; A4: src
; B4: dst
@@ -21,7 +21,7 @@
;
.text
-ENTRY(csum_partial_copy)
+ENTRY(csum_partial_copy_nocheck)
MVC .S2 ILC,B30
MV .D1X B6,A31 ; given csum
@@ -149,7 +149,7 @@ L10: ADD .D1 A31,A9,A9
BNOP .S2 B3,4
MVC .S2 B30,ILC
-ENDPROC(csum_partial_copy)
+ENDPROC(csum_partial_copy_nocheck)
;
;unsigned short