On 07/01/2013 11:52 PM, Santosh Shilimkar wrote:
> On some PAE architectures, the entire range of physical memory could reside
> outside the 32-bit limit.  These systems need the ability to specify the
> initrd location using 64-bit numbers.
>
> This patch globally modifies the early_init_dt_setup_initrd_arch() function to
> use 64-bit numbers instead of the current unsigned long.
>
> There has been quite a bit of debate about whether to use u64 or phys_addr_t.
> It was concluded to stick to u64 to be consistent with rest of the device
> tree code. As summarized by Geert, "The address to load the initrd is decided
> by the bootloader/user and set at that point later in time. The dtb should not
> be tied to the kernel you are booting"
>
> More details on the discussion can be found here:
> https://lkml.org/lkml/2013/6/20/690
> https://lkml.org/lkml/2012/9/13/544
>
> Cc: Grant Likely <[email protected]>
> Cc: Rob Herring <[email protected]>
> Cc: Geert Uytterhoeven <[email protected]>
> Cc: Sebastian Andrzej Siewior <[email protected]>
> Cc: Jean-Christophe PLAGNIOL-VILLARD <[email protected]>
> Cc: Vineet Gupta <[email protected]>
> Cc: Russell King <[email protected]>
> Cc: Catalin Marinas <[email protected]>
> Cc: Will Deacon <[email protected]>
> Cc: Mark Salter <[email protected]>
> Cc: Aurelien Jacquiot <[email protected]>
> Cc: James Hogan <[email protected]>
> Cc: Michal Simek <[email protected]>
> Cc: Ralf Baechle <[email protected]>
> Cc: Jonas Bonn <[email protected]>
> Cc: Benjamin Herrenschmidt <[email protected]>
> Cc: Paul Mackerras <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> Cc: Chris Zankel <[email protected]>
> Cc: Max Filippov <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> Cc: Nicolas Pitre <[email protected]>
>
> Cc: [email protected]
> Cc: [email protected]
> Cc: [email protected]
> Cc: [email protected]
> Cc: [email protected]
> Cc: [email protected]
>
> Signed-off-by: Santosh Shilimkar <[email protected]>
> ---

Acked-by: Vineet Gupta <[email protected]>  [For arch/arc bits]

-Vineet

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