linux-kernel - [PATCH 2/5] x86, mrst: add i8042_detect API for Moorestwon platform

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Message-Id: <1278059716-7147-3-git-send-email-feng.tang@intel.com>
Date:	Fri,  2 Jul 2010 16:35:13 +0800
From:	feng.tang@...el.com
To:	linux-kernel@...r.kernel.org, tglx@...utronix.de, mingo@...e.hu,
	hpa@...or.com, jacob.jun.pan@...el.com, dtor@...l.ru,
	randy.dunlap@...cle.com
Cc:	Feng Tang <feng.tang@...el.com>
Subject: [PATCH 2/5] x86, mrst: add i8042_detect API for Moorestwon platform

From: Feng Tang <feng.tang@...el.com>

It will just return 0 as there is no i8042 controller

Signed-off-by: Feng Tang <feng.tang@...el.com>
---
 arch/x86/kernel/mrst.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/mrst.c b/arch/x86/kernel/mrst.c
index e796448..5915e0b 100644
--- a/arch/x86/kernel/mrst.c
+++ b/arch/x86/kernel/mrst.c
@@ -216,6 +216,12 @@ static void __init mrst_setup_boot_clock(void)
 		setup_boot_APIC_clock();
 };
 
+/* MID systems don't have i8042 controller */
+static int mrst_i8042_detect(void)
+{
+	return 0;
+}
+
 /*
  * Moorestown specific x86_init function overrides and early setup
  * calls.
@@ -233,6 +239,7 @@ void __init x86_mrst_early_setup(void)
 	x86_cpuinit.setup_percpu_clockev = mrst_setup_secondary_clock;
 
 	x86_platform.calibrate_tsc = mrst_calibrate_tsc;
+	x86_platform.i8042_detect = mrst_i8042_detect;
 	x86_init.pci.init = pci_mrst_init;
 	x86_init.pci.fixup_irqs = x86_init_noop;
 
-- 
1.7.0.4

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