linux-kernel - [tip:x86/platform] x86: dtb: Add generic bus probe

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Message-ID: <tip-9079b35364e75ce6b968a179f861d2f819f33e61@git.kernel.org>
Date:	Wed, 23 Feb 2011 21:51:55 GMT
From:	tip-bot for Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, grant.likely@...retlab.ca,
	hpa@...or.com, mingo@...hat.com, dirk.brandewie@...il.com,
	bigeasy@...utronix.de, tglx@...utronix.de
Subject: [tip:x86/platform] x86: dtb: Add generic bus probe

Commit-ID:  9079b35364e75ce6b968a179f861d2f819f33e61
Gitweb:     http://git.kernel.org/tip/9079b35364e75ce6b968a179f861d2f819f33e61
Author:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
AuthorDate: Tue, 22 Feb 2011 21:07:43 +0100
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Wed, 23 Feb 2011 22:27:54 +0100

x86: dtb: Add generic bus probe

For now we probe these busses and we change this to board dependent
probes once we have to.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Signed-off-by: Dirk Brandewie <dirk.brandewie@...il.com>
Acked-by: Grant Likely <grant.likely@...retlab.ca>
Cc: sodaville@...utronix.de
Cc: devicetree-discuss@...ts.ozlabs.org
LKML-Reference: <1298405266-1624-9-git-send-email-bigeasy@...utronix.de>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 arch/x86/kernel/devicetree.c |   19 +++++++++++++++++++
 1 files changed, 19 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c
index 7b57422..0bc83bf 100644
--- a/arch/x86/kernel/devicetree.c
+++ b/arch/x86/kernel/devicetree.c
@@ -103,6 +103,25 @@ void __init add_dtb(u64 data)
 	initial_dtb = data + offsetof(struct setup_data, data);
 }
 
+/*
+ * CE4100 ids. Will be moved to machine_device_initcall() once we have it.
+ */
+static struct of_device_id __initdata ce4100_ids[] = {
+	{ .compatible = "intel,ce4100-cp", },
+	{ .compatible = "isa", },
+	{ .compatible = "pci", },
+	{},
+};
+
+static int __init add_bus_probe(void)
+{
+	if (!initial_boot_params)
+		return 0;
+
+	return of_platform_bus_probe(NULL, ce4100_ids, NULL);
+}
+module_init(add_bus_probe);
+
 #ifdef CONFIG_PCI
 static int x86_of_pci_irq_enable(struct pci_dev *dev)
 {
--
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