Merge tag 'csky-for-linus-5.3-rc1' of git://github.com/c-sky/csky-linux

Pull arch/csky pupdates from Guo Ren:
 "This round of csky subsystem gives two features (ASID algorithm
  update, Perf pmu record support) and some fixups.

  ASID updates:
   - Revert mmu ASID mechanism
   - Add new asid lib code from arm
   - Use generic asid algorithm to implement switch_mm
   - Improve tlb operation with help of asid

  Perf pmu record support:
   - Init pmu as a device
   - Add count-width property for csky pmu
   - Add pmu interrupt support
   - Fix perf record in kernel/user space
   - dt-bindings: Add csky PMU bindings

  Fixes:
   - Fixup no panic in kernel for some traps
   - Fixup some error count in 810 & 860.
   - Fixup abiv1 memset error"

* tag 'csky-for-linus-5.3-rc1' of git://github.com/c-sky/csky-linux:
  csky: Fixup abiv1 memset error
  csky: Improve tlb operation with help of asid
  csky: Use generic asid algorithm to implement switch_mm
  csky: Add new asid lib code from arm
  csky: Revert mmu ASID mechanism
  dt-bindings: csky: Add csky PMU bindings
  dt-bindings: interrupt-controller: Update csky mpintc
  csky: Fixup some error count in 810 & 860.
  csky: Fix perf record in kernel/user space
  csky: Add pmu interrupt support
  csky: Add count-width property for csky pmu
  csky: Init pmu as a device
  csky: Fixup no panic in kernel for some traps
  csky: Select intc & timer drivers

5 files changed, 6 insertions, 42 deletions

diff --git a/arch/csky/abiv1/Makefile b/arch/csky/abiv1/Makefile
index e52b42beac97..601ce3b2fb85 100644
--- a/arch/csky/abiv1/Makefile
+++ b/arch/csky/abiv1/Makefile
@@ -5,5 +5,4 @@ obj-y					+= bswapsi.o
 obj-y					+= cacheflush.o
 obj-y					+= mmap.o
 obj-y					+= memcpy.o
-obj-y					+= memset.o
 obj-y					+= strksyms.o
diff --git a/arch/csky/abiv1/inc/abi/ckmmu.h b/arch/csky/abiv1/inc/abi/ckmmu.h
index 81f37715c0d2..ba8eb5870835 100644
--- a/arch/csky/abiv1/inc/abi/ckmmu.h
+++ b/arch/csky/abiv1/inc/abi/ckmmu.h
@@ -78,6 +78,12 @@ static inline void tlb_invalid_all(void)
 	cpwcr("cpcr8", 0x04000000);
 }
 
+
+static inline void local_tlb_invalid_all(void)
+{
+	tlb_invalid_all();
+}
+
 static inline void tlb_invalid_indexed(void)
 {
 	cpwcr("cpcr8", 0x02000000);
diff --git a/arch/csky/abiv1/inc/abi/string.h b/arch/csky/abiv1/inc/abi/string.h
index 5abe80be044d..0cd43384f8d2 100644
--- a/arch/csky/abiv1/inc/abi/string.h
+++ b/arch/csky/abiv1/inc/abi/string.h
@@ -7,7 +7,4 @@
 #define __HAVE_ARCH_MEMCPY
 extern void *memcpy(void *, const void *, __kernel_size_t);
 
-#define __HAVE_ARCH_MEMSET
-extern void *memset(void *, int, __kernel_size_t);
-
 #endif /* __ABI_CSKY_STRING_H */
diff --git a/arch/csky/abiv1/memset.c b/arch/csky/abiv1/memset.c
deleted file mode 100644
index b4aa75b99c5d..000000000000
--- a/arch/csky/abiv1/memset.c
+++ /dev/null
@@ -1,37 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
-
-#include <linux/types.h>
-
-void *memset(void *dest, int c, size_t l)
-{
-	char *d = dest;
-	int ch = c & 0xff;
-	int tmp = (ch | ch << 8 | ch << 16 | ch << 24);
-
-	while (((uintptr_t)d & 0x3) && l--)
-		*d++ = ch;
-
-	while (l >= 16) {
-		*(((u32 *)d))   = tmp;
-		*(((u32 *)d)+1) = tmp;
-		*(((u32 *)d)+2) = tmp;
-		*(((u32 *)d)+3) = tmp;
-		l -= 16;
-		d += 16;
-	}
-
-	while (l > 3) {
-		*(((u32 *)d)) = tmp;
-		l -= 4;
-		d += 4;
-	}
-
-	while (l) {
-		*d = ch;
-		l--;
-		d++;
-	}
-
-	return dest;
-}
diff --git a/arch/csky/abiv1/strksyms.c b/arch/csky/abiv1/strksyms.c
index 436995c9b75c..c7ccbb27e8d7 100644
--- a/arch/csky/abiv1/strksyms.c
+++ b/arch/csky/abiv1/strksyms.c
@@ -4,4 +4,3 @@
 #include <linux/module.h>
 
 EXPORT_SYMBOL(memcpy);
-EXPORT_SYMBOL(memset);