Re: [PATCH 03/12] soc: sifive: ccache: Add StarFive JH7100 support

Cristian Ciocaltea
2023-03-06T23:46:22Z

On 3/7/23 01:32, Conor Dooley wrote:
> On Sat, Feb 11, 2023 at 05:18:12AM +0200, Cristian Ciocaltea wrote:
>> From: Emil Renner Berthing <kernel@esmil.dk>
>>
>> This adds support for the StarFive JH7100 SoC which also feature this
>> SiFive cache controller.
>>
>> Unfortunately the interrupt for uncorrected data is broken on the JH7100
>> and fires continuously, so add a quirk to not register a handler for it.
>>
>> Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
>> [drop JH7110, rework Kconfig]
>> Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
>
> This driver doesn't really do very much of anything as things stand, so
> I don't see really see all that much value in picking it up right now,
> since the non-coherent bits aren't usable yet.
>
>> ---
>> drivers/soc/sifive/Kconfig | 1 +
>> drivers/soc/sifive/sifive_ccache.c | 11 ++++++++++-
>> 2 files changed, 11 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/soc/sifive/Kconfig b/drivers/soc/sifive/Kconfig
>> index e86870be34c9..867cf16273a4 100644
>> --- a/drivers/soc/sifive/Kconfig
>> +++ b/drivers/soc/sifive/Kconfig
>> @@ -4,6 +4,7 @@ if SOC_SIFIVE || SOC_STARFIVE
>>
>> config SIFIVE_CCACHE
>> bool "Sifive Composable Cache controller"
>> + default SOC_STARFIVE
>
> I don't think this should have a default set w/ the support that this
> patch brings in. Perhaps later we should be doing defaulting, but not at
> this point in the series.

I will handle this is v2 as soon as the non-coherency stuff is ready.

> Other than that, this is fine by me:
> Reviewed-by: Conor Dooley <conor.dooley@microchip.com>

Thanks for reviewing,
Cristian

> Thanks,
> Conor.