linux-kernel - Re: [RFC] mfd: mt6358: Using a single IRQ array instead of two companion arrays?

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Message-ID: <d9da11f6-3a4d-4aac-9d1b-eb6ac1ef3fe7@web.de>
Date: Thu, 20 Nov 2025 11:51:01 +0100
From: Markus Elfring <Markus.Elfring@....de>
To: Lee Jones <lee@...nel.org>, linux-mediatek@...ts.infradead.org,
 linux-arm-kernel@...ts.infradead.org,
 Angelo Gioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
 Hsin-Hsiung Wang <hsin-hsiung.wang@...iatek.com>,
 Matthias Brugger <matthias.bgg@...il.com>
Cc: LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC] mfd: mt6358: Using a single IRQ array instead of two
 companion arrays?

>> I have taken another look also at the implementation of the function “mt6358_irq_init”.
>> https://elixir.bootlin.com/linux/v6.18-rc6/source/drivers/mfd/mt6358-irq.c#L227-L293
>>
>> I see that there are two arrays allocated so far.
>> How do you think about the possibility to use a single array with the needed data instead?
> 
> It'll be easier if you just submit the patch.

I would appreciate to clarify before if the adjustment of array usage
can influence software run time characteristics in desirable directions here.
https://elixir.bootlin.com/linux/v6.18-rc6/source/include/linux/mfd/mt6358/core.h#L19-L26

Regards,
Markus