summaryrefslogtreecommitdiff
path: root/arch/arm/mach-at91/at91sam9g45_devices.c
diff options
context:
space:
mode:
authorNicolas Ferre <nicolas.ferre@atmel.com>2011-10-10 16:50:43 +0200
committerNicolas Ferre <nicolas.ferre@atmel.com>2012-02-03 13:45:17 +0100
commit2756bf5c03bd6fec9462c0742dddb771838bf080 (patch)
treeb970a2e394b637402425f7f16e20fda7854a9b7e /arch/arm/mach-at91/at91sam9g45_devices.c
parentbdad0b9a1c7222a771d25e2a20e81f5563968002 (diff)
ARM: at91/dma: DMA controller registering with DT support
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>
Diffstat (limited to 'arch/arm/mach-at91/at91sam9g45_devices.c')
-rw-r--r--arch/arm/mach-at91/at91sam9g45_devices.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index 07708d422681..96e2adcd5a84 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -64,7 +64,15 @@ static struct platform_device at_hdmac_device = {
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
void __init at91_add_device_hdmac(void) {}