linux-kernel - [PATCH 09/15] x86/dtb: Add generic bus probe

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Message-Id: <1292600033-12271-10-git-send-email-bigeasy@linutronix.de>
Date:	Fri, 17 Dec 2010 16:33:47 +0100
From:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:	linux-kernel@...r.kernel.org
Cc:	sodaville@...utronix.de, x86@...nel.org, dirk.brandewie@...il.com,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	devicetree-discuss@...ts.ozlabs.org
Subject: [PATCH 09/15] x86/dtb: Add generic bus probe

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

Cc: devicetree-discuss@...ts.ozlabs.org
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Signed-off-by: Dirk Brandewie <dirk.brandewie@...il.com>
---
 arch/x86/kernel/prom.c |   19 +++++++++++++++++++
 1 files changed, 19 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/prom.c b/arch/x86/kernel/prom.c
index a449dc6..6eddafd 100644
--- a/arch/x86/kernel/prom.c
+++ b/arch/x86/kernel/prom.c
@@ -105,6 +105,25 @@ 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[] = {
+	{ .type = "soc", },
+	{ .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);
+
 static int x86_of_pci_irq_enable(struct pci_dev *dev)
 {
 	struct of_irq oirq;
-- 
1.7.3.2

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