[U-Boot] [PATCH] libfdt: introduce function fdt_get_max_phandle

[Wolfgang Denk]

Dear Timur Tabi,

In message <1274308618-2974-1-git-send-email-timur at freescale.com> you wrote:
> Introduce function fdt_get_max_phandle(), which returns the largest value
> of all phandles in a device tree.  This is useful for allocating a new phandle
> property, since all phandles must be unique.
> 
> Signed-off-by: Timur Tabi <timur at freescale.com>
> ---
>  include/libfdt.h    |   20 ++++++++++++++++++++
>  lib/libfdt/fdt_ro.c |   17 +++++++++++++++++
>  2 files changed, 37 insertions(+), 0 deletions(-)

Please submit as part of a patch / patch series that acrtually uses
this feature.  As is, it's just dead code that has no users.

> +int fdt_get_max_phandle(const void *fdt)
> +{
> +	int offset;
> +	uint32_t temp, phandle = 0;
> +
> +	FDT_CHECK_HEADER(fdt);
> +
> +	for (offset = fdt_next_node(fdt, -1, NULL); offset >= 0;
> +	     offset = fdt_next_node(fdt, offset, NULL)) {
> +		temp = fdt_get_phandle(fdt, offset);
> +		if (temp > phandle)
> +			phandle = temp;
> +	}
> +
> +	return phandle;
> +}

As fdt_get_phandle() returns a uint32_t, fdt_get_max_phandle() should
return the same type, not int.

Best regards,

Wolfgang Denk

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