linux-kernel - Re: [PATCH] i2c:thunderx:Add disabled node check

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Message-ID: <82d9d348-f687-4be9-962a-d7d745236d45@alliedtelesis.co.nz>
Date:   Sun, 29 Oct 2023 21:47:21 +0000
From:   Chris Packham <Chris.Packham@...iedtelesis.co.nz>
To:     Wolfram Sang <wsa@...nel.org>,
        Aryan Srivastava <Aryan.Srivastava@...iedtelesis.co.nz>,
        "rric@...nel.org" <rric@...nel.org>,
        "linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] i2c:thunderx:Add disabled node check


On 30/10/23 06:11, Wolfram Sang wrote:
> On Tue, Jul 11, 2023 at 05:41:46PM +1200, Aryan Srivastava wrote:
>> Add check for disabled nodes. These nodes should not be probed. Can
>> result in logging for HW which is not present.
>>
>> Signed-off-by: Aryan Srivastava<aryan.srivastava@...iedtelesis.co.nz>
> I am confused. This is a PCI driver, no? Why should we deal with DT
> settings here?

It is a PCI driver but the IP block is included on SoCs like the CN9670 
and not all hardware designs make use of all the I2C interfaces that the 
IP block supports.