linux-kernel - [PATCH v4,3/4] powerpc: sysdev: fix compile warning for fsl_85xx_cache

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Message-Id: <20200416153537.23736-4-wenhu.wang@vivo.com>
Date:   Thu, 16 Apr 2020 08:35:36 -0700
From:   Wang Wenhu <wenhu.wang@...o.com>
To:     gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        oss@...error.net, christophe.leroy@....fr,
        linuxppc-dev@...ts.ozlabs.org
Cc:     kernel@...o.com, Wang Wenhu <wenhu.wang@...o.com>,
        Michael Ellerman <mpe@...erman.id.au>
Subject: [PATCH v4,3/4] powerpc: sysdev: fix compile warning for fsl_85xx_cache_sram

Function instantiate_cache_sram should not be linked into the init
section for its caller mpc85xx_l2ctlr_of_probe is none-__init.

Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Christophe Leroy <christophe.leroy@....fr>
Cc: Scott Wood <oss@...error.net>
Cc: Michael Ellerman <mpe@...erman.id.au>
Cc: linuxppc-dev@...ts.ozlabs.org
Fixes: 6db92cc9d07d ("powerpc/85xx: add cache-sram support")
Signed-off-by: Wang Wenhu <wenhu.wang@...o.com>

Warning information:
  MODPOST vmlinux.o
WARNING: modpost: vmlinux.o(.text+0x1e540): Section mismatch in reference from the function mpc85xx_l2ctlr_of_probe() to the function .init.text:instantiate_cache_sram()
The function mpc85xx_l2ctlr_of_probe() references
the function __init instantiate_cache_sram().
This is often because mpc85xx_l2ctlr_of_probe lacks a __init
annotation or the annotation of instantiate_cache_sram is wrong.
---
Changes since v1:
 * None
Changes since v2:
 * None
Changes since v3:
 * None
---
 arch/powerpc/sysdev/fsl_85xx_cache_sram.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/sysdev/fsl_85xx_cache_sram.c b/arch/powerpc/sysdev/fsl_85xx_cache_sram.c
index be3aef4229d7..3de5ac8382c0 100644
--- a/arch/powerpc/sysdev/fsl_85xx_cache_sram.c
+++ b/arch/powerpc/sysdev/fsl_85xx_cache_sram.c
@@ -68,7 +68,7 @@ void mpc85xx_cache_sram_free(void *ptr)
 }
 EXPORT_SYMBOL(mpc85xx_cache_sram_free);
 
-int __init instantiate_cache_sram(struct platform_device *dev,
+int instantiate_cache_sram(struct platform_device *dev,
 		struct sram_parameters sram_params)
 {
 	int ret = 0;
-- 
2.17.1