linux-kernel - [PATCH TIP 09/14] x86/dtb: Add generic bus probe

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Date:	Mon, 24 Jan 2011 09:58:57 +0530
From:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:	linux-kernel@...r.kernel.org
Cc:	sodaville@...utronix.de, x86@...nel.org,
	devicetree-discuss@...ts.ozlabs.org,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Dirk Brandewie <dirk.brandewie@...il.com>
Subject: [PATCH TIP 09/14] 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
Acked-by: Grant Likely <grant.likely@...retlab.ca>
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 8525ca0..8215e8a 100644
--- a/arch/x86/kernel/prom.c
+++ b/arch/x86/kernel/prom.c
@@ -102,6 +102,25 @@ 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-immr", },
+	{ .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)
 {
-- 
1.7.3.2

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