[...]
> -char __initdata *uboot_arg;
> +unsigned int __initdata uboot_arg;
Why ?
In both places it is actually used, it is intended as a pointer. The cast for
range check is needed but lets cast there. See below for real reason.
> -static inline int is_kernel(unsigned long addr)
> +static inline bool uboot_arg_invalid(unsigned int addr)
> {
> - if (addr >= (unsigned long)_stext && addr <= (unsigned long)_end)
> - return 1;
> +
> + /* Check that address doesn't clobber resident kernel image */
> + return addr >= (unsigned int)_stext && addr <= (unsigned int)_end;
...
> +
> + /* see if U-boot passed an external Device Tree blob */
> + if (uboot_tag == UBOOT_TAG_DTB) {
> + machine_desc = setup_machine_fdt((void *)uboot_arg);
On a 64-bit paradigm, with LP64 ABI, this will break since int will be 4b, while
pointer 8b.
I'll fix it up locally and push !
-Vineet
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