linux-kernel - [PATCH] powerpc/sysdev: fix compile errors

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Message-Id: <20200121053114.89676-1-wenhu.pku@gmail.com>
Date:   Mon, 20 Jan 2020 21:31:13 -0800
From:   wangwenhu <wenhu.pku@...il.com>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Richard Fontana <rfontana@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        wangwenhu <wenhu.pku@...il.com>, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org
Cc:     trivial@...nel.org, lonehugo@...mail.com, wenhu.wang@...o.com
Subject: [PATCH] powerpc/sysdev: fix compile errors

From: wangwenhu <wenhu.wang@...o.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@...o.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