Re: [PATCH 2/3] memory: atmel-sdramc: remove the driver

From: Claudiu.Beznea
Date: Tue Jan 03 2023 - 06:18:48 EST


On 03.01.2023 12:06, Krzysztof Kozlowski wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>
> On 03/01/2023 11:00, Claudiu.Beznea@xxxxxxxxxxxxx wrote:
>> Hi, Krzysztof,
>>
>> On 08.12.2022 13:45, Claudiu Beznea wrote:
>>> Driver does only clock request + enable for DDR clocks. DDR clocks are
>>> enabled by bootloader and need to stay that way in Linux. To avoid having
>>> these clocks disabled by clock subsystem in case there are no Linux
>>> consumers for them the clocks were marked as critical in clock drivers.
>>> With this, there is no need to have a separate driver that only does
>>> clock request + enable.
>>>
>>> Signed-off-by: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx>
>>
>> As this patch depends on patch 1/3 from this series, can I have your ack
>> for it to take it though clock tree?
>
> Uh, why does it depend? I understood the changset is bisectable and
> removal of unneeded driver will happen later. Otherwise it is not
> bisectable...

AT91 devices will fail to boot if this patch is applied and 1/3 is not
there. This is because clock framework will disable DDR clocks because
there will be no consumer for them.

>
> Best regards,
> Krzysztof
>