Messages in this thread Patch in this message | | | From | Nicolas Ferre <> | Subject | [PATCH 4/4] ARM: at91/dma: DMA controller registering with DT support | Date | Mon, 10 Oct 2011 18:37:52 +0200 |
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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> --- arch/arm/mach-at91/at91sam9g45_devices.c | 9 ++++++++- 1 files changed, 8 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c index c9b897f..cee7287 100644 --- a/arch/arm/mach-at91/at91sam9g45_devices.c +++ b/arch/arm/mach-at91/at91sam9g45_devices.c @@ -64,7 +64,14 @@ static struct platform_device at_hdmac_device = { void __init at91_add_device_hdmac(void) { - platform_device_register(&at_hdmac_device); + struct device_node *of_node = + of_find_node_by_name(NULL, "dma-controller"); + + if (of_node) { + of_node_put(of_node); + } else { + platform_device_register(&at_hdmac_device); + } } #else void __init at91_add_device_hdmac(void) {} -- 1.7.5.4
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