linux-kernel - [PATCH 3.16.y-ckt 090/180] x86/reboot/quirks: Add iMac10,1 to pci_reboot_dmi

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Message-Id: <1454538786-12215-91-git-send-email-luis.henriques@canonical.com>
Date:	Wed,  3 Feb 2016 22:31:36 +0000
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Mario Kleiner <mario.kleiner.de@...il.com>,
	Andy Lutomirski <luto@...capital.net>,
	Borislav Petkov <bp@...en8.de>,
	Brian Gerst <brgerst@...il.com>,
	Dave Jones <davej@...emonkey.org.uk>,
	Denys Vlasenko <dvlasenk@...hat.com>,
	"H . Peter Anvin" <hpa@...or.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...nel.org>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 3.16.y-ckt 090/180] x86/reboot/quirks: Add iMac10,1 to pci_reboot_dmi_table[]

3.16.7-ckt24 -stable review patch.  If anyone has any objections, please let me know.

---8<------------------------------------------------------------

From: Mario Kleiner <mario.kleiner.de@...il.com>

commit 2f0c0b2d96b1205efb14347009748d786c2d9ba5 upstream.

Without the reboot=pci method, the iMac 10,1 simply
hangs after printing "Restarting system" at the point
when it should reboot. This fixes it.

Signed-off-by: Mario Kleiner <mario.kleiner.de@...il.com>
Cc: Andy Lutomirski <luto@...capital.net>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Brian Gerst <brgerst@...il.com>
Cc: Dave Jones <davej@...emonkey.org.uk>
Cc: Denys Vlasenko <dvlasenk@...hat.com>
Cc: H. Peter Anvin <hpa@...or.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Link: http://lkml.kernel.org/r/1450466646-26663-1-git-send-email-mario.kleiner.de@gmail.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 arch/x86/kernel/reboot.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 587be13be0be..5e8c0f1c99c4 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -181,6 +181,14 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "iMac9,1"),
 		},
 	},
+	{	/* Handle problems with rebooting on the iMac10,1. */
+		.callback = set_pci_reboot,
+		.ident = "Apple iMac10,1",
+		.matches = {
+		    DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+		    DMI_MATCH(DMI_PRODUCT_NAME, "iMac10,1"),
+		},
+	},
 
 	/* ASRock */
 	{	/* Handle problems with rebooting on ASRock Q1900DC-ITX */