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ARM: at91/dma: DMA controller registering with DT support

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Device tree support on at91sam9g45 family SoC. Only call
platform_device_register() if no dma-controller node is
found in device tree.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
Nicolas Ferre 2011-10-10 16:50:43 +02:00
parent bdad0b9a1c
commit 2756bf5c03
1 changed files with 9 additions and 1 deletions
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10
arch/arm/mach-at91/at91sam9g45_devices.c
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@ -64,7 +64,15 @@ static struct platform_device at_hdmac_device = {
void __init at91_add_device_hdmac(void) void __init at91_add_device_hdmac(void)
{ {
platform_device_register(&at_hdmac_device); #if defined(CONFIG_OF)
struct device_node *of_node =
of_find_node_by_name(NULL, "dma-controller");
if (of_node)
of_node_put(of_node);
else
#endif
platform_device_register(&at_hdmac_device);
} }
#else #else
void __init at91_add_device_hdmac(void) {} void __init at91_add_device_hdmac(void) {}