linux-kernel - [PATCH 2/3] powerpc: implement arch_setup_pdev

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Date:	Thu,  5 Aug 2010 10:15:46 -0500
From:	Kumar Gala <galak@...nel.crashing.org>
To:	gregkh@...e.de
Cc:	linuxppc-dev@...abs.org, linux-kernel@...r.kernel.org,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	akpm@...ux-foundation.org
Subject: [PATCH 2/3] powerpc: implement arch_setup_pdev_archdata

We have a long standing issues with platform devices not have a valid
dma_mask pointer.  This hasn't been an issue to date as no platform
device has tried to set its dma_mask value to a non-default value.

Signed-off-by: Kumar Gala <galak@...nel.crashing.org>
---
 arch/powerpc/include/asm/platform_device.h |   16 +++++++++++++++-
 1 files changed, 15 insertions(+), 1 deletions(-)

diff --git a/arch/powerpc/include/asm/platform_device.h b/arch/powerpc/include/asm/platform_device.h
index 01452c3..a379500 100644
--- a/arch/powerpc/include/asm/platform_device.h
+++ b/arch/powerpc/include/asm/platform_device.h
@@ -1 +1,15 @@
-#include <asm-generic/platform_device.h>
+#ifndef __ASM_PLATFORM_DEVICE_H_
+#define __ASM_PLATFORM_DEVICE_H_
+
+#include <linux/platform_device.h>
+
+#define ARCH_HAS_PDEV_ARCHDATA_SETUP
+
+static inline void arch_setup_pdev_archdata(struct platform_device *pdev)
+{
+	pdev->dev.dma_mask = &pdev->archdata.dma_mask;
+
+	return;
+}
+
+#endif /* __ASM_GENERIC_PLATFORM_DEVICE_H_ */
-- 
1.6.0.6

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