linux-kernel - Re: [PATCH] MIPS: pci-legacy: Override pci_address_to

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Message-Id: <28d6ed91-a5de-4a0d-8e76-9e79375a9db3@app.fastmail.com>
Date: Tue, 14 Jan 2025 18:51:02 +0000
From: "Jiaxun Yang" <jiaxun.yang@...goat.com>
To: Mateusz Jończyk <mat.jonczyk@...pl>,
 "Thomas Bogendoerfer" <tsbogend@...ha.franken.de>,
 "Arnd Bergmann" <arnd@...db.de>, "Baoquan He" <bhe@...hat.com>
Cc: "linux-mips@...r.kernel.org" <linux-mips@...r.kernel.org>,
 linux-kernel@...r.kernel.org,
 "stable@...r.kernel.org" <stable@...r.kernel.org>
Subject: Re: [PATCH] MIPS: pci-legacy: Override pci_address_to_pio



在2025年1月14日一月 下午6:42，Mateusz Jończyk写道：
[...]
>
> Hello,
>
> Thank you for this patch, I'm testing it right now.
>
> Shouldn't this be #ifndef-ed CONFIG_MACH_LOONGSON64 and perhaps 
> CONFIG_RALINK?

Hi Mateusz,

Those platforms are not using PCI_DRIVERS_LEGACY, so won't be affected
by this patch.

PCI_DRIVERS_GENERIC systems are handling logic_pio properly, so no need
for this workaround.

Thanks
>
> Loongson64 explicitly calls logic_pio_register_range(), so seems not to 
> need this. Ralink also
> defined PCI_IOBASE a long time ago.
>
> Greetings,
>
> Mateusz

-- 
- Jiaxun