[PATCH v2] ARM: kirkwood: covert orion-spi to fdt.

[arnd@arndb.de (Arnd Bergmann)]

On Tuesday 28 February 2012, Jason Cooper wrote:
> On the Globalscale Dreamplug (Marvell Kirkwood Development Platform),
> 2MB of NOR flash are used to hold the bootloader, bootloader
> environment, and devicetree blob.  It is connected via spi.
> 
> diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
> index cc15426..4868dbd 100644
> --- a/arch/arm/mach-kirkwood/common.c
> +++ b/arch/arm/mach-kirkwood/common.c
> @@ -524,6 +526,11 @@ static int __init kirkwood_clock_gate(void)
>  	} else  /* keep this bit set for devices that don't have PCIe1 */
>  		kirkwood_clk_ctrl |= CGC_PEX1;
>  
> +	dp = of_find_node_by_path("/");
> +	if (dp && of_device_is_available(of_find_compatible_node(dp, NULL,
> +							  "marvell,orion-spi")))
> +		kirkwood_clk_ctrl |= CGC_RUNIT;
> +
>  	/* Now gate clock the required units */
>  	writel(kirkwood_clk_ctrl, CLOCK_GATING_CTRL);
>  	printk(KERN_DEBUG " after: 0x%08x\n", readl(CLOCK_GATING_CTRL));

I think this needs to move to the board-dt.c file as Andrew suggested,
or you have to put the #ifdef back, otherwise you get a link error
because of_find_node_by_path does not have a fallback with CONFIG_OF
not set.

Everything else looks good to me now.

	Arnd