Messages in this thread | | | Date | Wed, 12 Oct 2011 18:35:22 -0600 | From | Grant Likely <> | Subject | Re: [PATCH v3 4/4] ARM: at91/dma: DMA controller registering with DT support |
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On Wed, Oct 12, 2011 at 06:57:14PM +0200, Nicolas Ferre wrote: > 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>
> --- > arch/arm/mach-at91/at91sam9g45_devices.c | 8 +++++++- > 1 files changed, 7 insertions(+), 1 deletions(-) > > diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c > index c9b897f..b9888c5 100644 > --- a/arch/arm/mach-at91/at91sam9g45_devices.c > +++ b/arch/arm/mach-at91/at91sam9g45_devices.c > @@ -64,7 +64,13 @@ 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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