[PATCH] powerpc/sysdev: fix compile errors

[wangwenhu]

From: wangwenhu <wenhu.wang at vivo.com>

Include arch/powerpc/include/asm/io.h into fsl_85xx_cache_sram.c to
fix the implicit declaration compile errors when building Cache-Sram.

arch/powerpc/sysdev/fsl_85xx_cache_sram.c: In function ‘instantiate_cache_sram’:
arch/powerpc/sysdev/fsl_85xx_cache_sram.c:97:26: error: implicit declaration of function ‘ioremap_coherent’; did you mean ‘bitmap_complement’? [-Werror=implicit-function-declaration]
  cache_sram->base_virt = ioremap_coherent(cache_sram->base_phys,
                          ^~~~~~~~~~~~~~~~
                          bitmap_complement
arch/powerpc/sysdev/fsl_85xx_cache_sram.c:97:24: error: assignment makes pointer from integer without a cast [-Werror=int-conversion]
  cache_sram->base_virt = ioremap_coherent(cache_sram->base_phys,
                        ^
arch/powerpc/sysdev/fsl_85xx_cache_sram.c:123:2: error: implicit declaration of function ‘iounmap’; did you mean ‘roundup’? [-Werror=implicit-function-declaration]
  iounmap(cache_sram->base_virt);
  ^~~~~~~
  roundup
cc1: all warnings being treated as errors

Signed-off-by: wangwenhu <wenhu.wang at vivo.com>
---
 arch/powerpc/sysdev/fsl_85xx_cache_sram.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/sysdev/fsl_85xx_cache_sram.c b/arch/powerpc/sysdev/fsl_85xx_cache_sram.c
index f6c665dac725..29b6868eff7d 100644
--- a/arch/powerpc/sysdev/fsl_85xx_cache_sram.c
+++ b/arch/powerpc/sysdev/fsl_85xx_cache_sram.c
@@ -17,6 +17,7 @@
 #include <linux/of_platform.h>
 #include <asm/pgtable.h>
 #include <asm/fsl_85xx_cache_sram.h>
+#include <asm/io.h>
 
 #include "fsl_85xx_cache_ctlr.h"
 
-- 
2.17.1