Re: [PATCH 1/3] ARM: exynos: clear L220_AUX_CTRL_NS_LOCKDOWN in default l2c_aux_val

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On 03/08/2020 15:22, Russell King - ARM Linux admin wrote:
> On Mon, Aug 03, 2020 at 03:34:39PM +0200, Krzysztof Kozlowski wrote:
>> On Wed, Jul 29, 2020 at 02:47:31PM +0100, Guillaume Tucker wrote:
>>> The L220_AUX_CTRL_NS_LOCKDOWN flag is set during the L2C enable
>>> sequence.  There is no need to set it in the default register value,
>>> this was done before support for it was implemented in the code.  It
>>> is not set in the hardware initial value either.
>>>
>>> Clean this up by removing this flag from the default l2c_aux_val, and
>>> add it to the l2c_aux_mask to print an alert message if it was already
>>> set before the kernel initialisation.
>>>
>>> Signed-off-by: Guillaume Tucker <guillaume.tucker@xxxxxxxxxxxxx>
>>> ---
>>>  arch/arm/mach-exynos/exynos.c | 4 ++--
>>>  1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> Makes sense. I'll take it after the merge window.
> 
> Yes, because platforms actually have no control over this bit through
> these values.
> 
> Please fix the description to use the right define, it's
> L310_AUX_CTRL_NS_LOCKDOWN not L220_AUX_CTRL_NS_LOCKDOWN.

Thanks, fixed in v2.

Guilaume




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