[PATCH v5] powerpc: Add hibernation support for FSL BookE processors

[Kumar Gala]

On May 17, 2010, at 1:56 PM, Anton Vorontsov wrote:

> This is started as swsusp_32.S modifications, but the amount of #ifdefs
> made the whole file horribly unreadable, so let's put the support into
> its own separate file.
> 
> The code should be relatively easy to modify to support 44x BookEs as
> well, but since I don't have any 44x to test, let's confine the code to
> FSL BookE. (The only FSL-specific part so far is 'flush_dcache_L1'.)
> 
> Signed-off-by: Anton Vorontsov <avorontsov at mvista.com>
> Acked-by: Scott Wood <scottwood at freescale.com>
> ---
> 
> On Mon, May 17, 2010 at 01:12:37PM -0500, Scott Wood wrote:
>> On 04/16/2010 02:03 PM, Anton Vorontsov wrote:
>>> +	/* restore the MSR */
>>> +	lwz	r3,SL_MSR(r11)
>>> +
>>> +	/* Restore TB */
>>> +	li	r3,0
>> 
>> Missing mtmsr?
>> 
>> Otherwise ACK.
> 
> Fixed, thanks!
> 
> arch/powerpc/kernel/Makefile       |    8 +-
> arch/powerpc/kernel/swsusp_booke.S |  193 ++++++++++++++++++++++++++++++++++++
> 2 files changed, 199 insertions(+), 2 deletions(-)
> create mode 100644 arch/powerpc/kernel/swsusp_booke.S

Is there board specific code to go along with this?

When I enable I get:

arch/powerpc/kernel/built-in.o: In function `cpu_idle':
/home/galak/git/master/powerpc/arch/powerpc/kernel/idle.c:98: undefined reference to `cpu_die'
make: *** [.tmp_vmlinux1] Error 1

- k