linux-kernel - [RFC v1 7/8] x86/init: user linker table for ce4100 early setup

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Date:	Tue, 15 Dec 2015 14:16:36 -0800
From:	"Luis R. Rodriguez" <mcgrof@...not-panic.com>
To:	hpa@...or.com, tglx@...utronix.de, mingo@...hat.com, bp@...en8.de,
	konrad.wilk@...cle.com
Cc:	rusty@...tcorp.com.au, luto@...capital.net,
	boris.ostrovsky@...cle.com, mcb30@...e.org, jgross@...e.com,
	JBeulich@...e.com, joro@...tes.org, ryabinin.a.a@...il.com,
	andreyknvl@...gle.com, long.wanglong@...wei.com,
	qiuxishi@...wei.com, aryabinin@...tuozzo.com,
	mchehab@....samsung.com, valentinrothberg@...il.com,
	peter.senna@...il.com, mcgrof@...e.com, x86@...nel.org,
	xen-devel@...ts.xensource.com, linux-kernel@...r.kernel.org
Subject: [RFC v1 7/8] x86/init: user linker table for ce4100 early setup

From: "Luis R. Rodriguez" <mcgrof@...e.com>

Using the linker table removes the need for the #ifdef'ery
and clutter on head32.c.

Signed-off-by: Luis R. Rodriguez <mcgrof@...e.com>
---
 arch/x86/include/asm/setup.h      | 6 ------
 arch/x86/kernel/head32.c          | 3 ---
 arch/x86/platform/ce4100/ce4100.c | 4 +++-
 3 files changed, 3 insertions(+), 10 deletions(-)

diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index 11af24e09c8a..f1e111a9d558 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -51,12 +51,6 @@ extern void x86_intel_mid_early_setup(void);
 static inline void x86_intel_mid_early_setup(void) { }
 #endif
 
-#ifdef CONFIG_X86_INTEL_CE
-extern void x86_ce4100_early_setup(void);
-#else
-static inline void x86_ce4100_early_setup(void) { }
-#endif
-
 #ifndef _SETUP
 
 #include <asm/espfix.h>
diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c
index 1db8eec5b0e2..ec6912873395 100644
--- a/arch/x86/kernel/head32.c
+++ b/arch/x86/kernel/head32.c
@@ -41,9 +41,6 @@ asmlinkage __visible void __init i386_start_kernel(void)
 	case X86_SUBARCH_INTEL_MID:
 		x86_intel_mid_early_setup();
 		break;
-	case X86_SUBARCH_CE4100:
-		x86_ce4100_early_setup();
-		break;
 	}
 
 	x86_init_fn_init_tables();
diff --git a/arch/x86/platform/ce4100/ce4100.c b/arch/x86/platform/ce4100/ce4100.c
index 701fd5843c87..db2a709402e2 100644
--- a/arch/x86/platform/ce4100/ce4100.c
+++ b/arch/x86/platform/ce4100/ce4100.c
@@ -24,6 +24,7 @@
 #include <asm/io.h>
 #include <asm/io_apic.h>
 #include <asm/emergency-restart.h>
+#include <asm/x86_init.h>
 
 static int ce4100_i8042_detect(void)
 {
@@ -144,7 +145,7 @@ static void sdv_pci_init(void)
  * CE4100 specific x86_init function overrides and early setup
  * calls.
  */
-void __init x86_ce4100_early_setup(void)
+static void __init x86_ce4100_early_setup(void)
 {
 	x86_init.oem.arch_setup = sdv_arch_setup;
 	x86_platform.i8042_detect = ce4100_i8042_detect;
@@ -166,3 +167,4 @@ void __init x86_ce4100_early_setup(void)
 
 	pm_power_off = ce4100_power_off;
 }
+x86_init_early(BIT(X86_SUBARCH_CE4100), NULL, NULL, x86_ce4100_early_setup);
-- 
2.6.2

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