linux-kernel - [PATCH -next] x86: olpc: fix section mismatch warning

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Message-ID: <76cbb7d3-bb91-4900-0275-a9b09fd7c77b@infradead.org>
Date:   Mon, 6 May 2019 12:31:25 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     LKML <linux-kernel@...r.kernel.org>, X86 ML <x86@...nel.org>,
        Rob Herring <robh+dt@...nel.org>
Subject: [PATCH -next] x86: olpc: fix section mismatch warning

From: Randy Dunlap <rdunlap@...radead.org>

Fix section mismatch warning:

WARNING: vmlinux.o(.text+0x36e00): Section mismatch in reference from the function olpc_dt_compatible_match() to the function .init.text:olpc_dt_getproperty()
The function olpc_dt_compatible_match() references
the function __init olpc_dt_getproperty().
This is often because olpc_dt_compatible_match lacks a __init 
annotation or the annotation of olpc_dt_getproperty is wrong.

All calls to olpc_dt_compatible_match() are from __init functions,
so it can be marked __init also.

Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: x86@...nel.org
Cc: Rob Herring <robh+dt@...nel.org>
---
 arch/x86/platform/olpc/olpc_dt.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-next-20190506.orig/arch/x86/platform/olpc/olpc_dt.c
+++ linux-next-20190506/arch/x86/platform/olpc/olpc_dt.c
@@ -220,7 +220,7 @@ static u32 __init olpc_dt_get_board_revi
 	return be32_to_cpu(rev);
 }

-int olpc_dt_compatible_match(phandle node, const char *compat)
+int __init olpc_dt_compatible_match(phandle node, const char *compat)
 {
 	char buf[64], *p;
 	int plen, len;