linux-kernel - [PATCH] of: When constructing the bus id consider assigned-addresses as well

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Message-ID: <20121121210240.GC15285@obsidianresearch.com>
Date:	Wed, 21 Nov 2012 14:02:40 -0700
From:	Jason Gunthorpe <jgunthorpe@...idianresearch.com>
To:	Grant Likely <grant.likely@...retlab.ca>
Cc:	linux-kernel@...r.kernel.org, devicetree-discuss@...ts.ozlabs.org,
	Rob Herring <rob.herring@...xeda.com>
Subject: [PATCH] of: When constructing the bus id consider assigned-addresses
 as well

'assigned-addresses' is used for certain PCI device type nodes in
lieu of 'reg',  since this is enforced by of/address.c, have
of_device_make_bus_id look there as well.

Signed-off-by: Jason Gunthorpe <jgunthorpe@...idianresearch.com>
---
 drivers/of/platform.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

of_can_translate_address and of_translate_address already support
using assigned-addresses.

diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index b80891b..4f0f701 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -105,6 +105,8 @@ void of_device_make_bus_id(struct device *dev)
 	 * For MMIO, get the physical address
 	 */
 	reg = of_get_property(node, "reg", NULL);
+	if (!reg)
+		reg = of_get_property(node, "assigned-addresses", NULL);
 	if (reg) {
 		if (of_can_translate_address(node)) {
 			addr = of_translate_address(node, reg);
-- 
1.7.5.4

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