[PATCH v2] arm64: dts: amlogic: Make mmc host controller interrupts level-sensitive

[Heiner Kallweit]

On 27.01.2023 08:59, Neil Armstrong wrote:
> Hi,
> 
> On 26/01/2023 15:03, Heiner Kallweit wrote:
>> The usage of edge-triggered interrupts lead to lost interrupts under load,
>> see [0]. This was confirmed to be fixed by using level-triggered
>> interrupts.
>> The report was about SDIO. However, as the host controller is the same
>> for SD and MMC, apply the change to all mmc controller instances.
> 
> Thanks, I applied it in for-next so it runs on the CI tests.
> 
>>
>> [0] https://www.spinics.net/lists/linux-mmc/msg73991.html
>>
>> Fixes: 1499218c80c9 ("arm64: dts: move common G12A & G12B modes to meson-g12-common.dtsi")
> 
> I think we should find a better Fixes or perhaps split in 3 so it targets the
> right commit adding the nodes for each family.
> 
This would be the cleanest option, right. Practically it shouldn't make
much of a difference. The chosen commit is from 2019, SDIO interrupt
support has been added just recently, and regarding MMC/SD it seems no
problems caused by edge-triggered interrupts are known.

> If the test doesn't report any breakage, I'll probably ask you that.
> 
Sure.

> Neil
> 
Heiner