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powerpc: implement arch_setup_pdev_archdata

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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.

Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Kumar Gala
2011-07-08 00:17:27 -05:00
parent a77ce8167c
commit 314b02f503
2 changed files with 6 additions and 26 deletions
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4
drivers/of/platform.c
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@@ -153,7 +153,7 @@ struct platform_device *of_device_alloc(struct device_node *np,
}
dev->dev.of_node = of_node_get(np);
#if defined(CONFIG_PPC) || defined(CONFIG_MICROBLAZE)
#if defined(CONFIG_MICROBLAZE)
dev->dev.dma_mask = &dev->archdata.dma_mask;
#endif
dev->dev.parent = parent;
@@ -189,7 +189,7 @@ struct platform_device *of_platform_device_create(struct device_node *np,
if (!dev)
return NULL;
#if defined(CONFIG_PPC) || defined(CONFIG_MICROBLAZE)
#if defined(CONFIG_MICROBLAZE)
dev->archdata.dma_mask = 0xffffffffUL;
#endif
dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);