RISC-V: Include io from timextimex

Without this I get some implicit declarations.

  CC      arch/riscv/kernel/asm-offsets.s
In file included from linux/include/linux/timex.h:67,
                 from linux/include/linux/time32.h:13,
                 from linux/include/linux/time.h:60,
                 from linux/include/linux/ktime.h:24,
                 from linux/include/linux/timer.h:6,
                 from linux/include/linux/workqueue.h:9,
                 from linux/include/linux/mm_types.h:19,
                 from linux/include/linux/mmzone.h:22,
                 from linux/include/linux/gfp.h:7,
                 from linux/include/linux/mm.h:7,
                 from linux/arch/riscv/kernel/asm-offsets.c:10:
linux/arch/riscv/include/asm/timex.h: In function 'get_cycles':
linux/arch/riscv/include/asm/timex.h:25:16: error: implicit declaration of function 'readl_relaxed' [-Werror=implicit-function-declaration]
   25 |         return readl_relaxed(((u32 *)clint_time_val));
      |

Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/riscv/include/asm/timex.h b/arch/riscv/include/asm/timex.h
index a06697846e6952..1a4d181193e087 100644
--- a/arch/riscv/include/asm/timex.h
+++ b/arch/riscv/include/asm/timex.h
@@ -7,6 +7,7 @@
 #define _ASM_RISCV_TIMEX_H
 
 #include <asm/csr.h>
+#include <asm/io.h>
 
 typedef unsigned long cycles_t;