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Message-ID: <OS0PR01MB5922036435F7B4E2DB83B9F386C5A@OS0PR01MB5922.jpnprd01.prod.outlook.com>
Date: Mon, 2 Oct 2023 09:57:09 +0000
From: Biju Das <biju.das.jz@...renesas.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
CC: Jonathan Cameron <Jonathan.Cameron@...wei.com>,
André Apitzsch <git@...tzsch.eu>,
Jonathan Cameron <jic23@...nel.org>,
Lars-Peter Clausen <lars@...afoo.de>,
"linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] iio: magnetometer: ak8975: Fix 'Unexpected device' error
> Subject: Re: [PATCH] iio: magnetometer: ak8975: Fix 'Unexpected device'
> error
>
> On Mon, Oct 02, 2023 at 09:38:17AM +0000, Biju Das wrote:
> > > On Mon, Oct 02, 2023 at 10:27:45AM +0100, Jonathan Cameron wrote:
> > > > On Sun, 1 Oct 2023 18:09:56 +0200
> > > > André Apitzsch <git@...tzsch.eu> wrote:
> > >
> > > > > Fixes: 4f9ea93afde1 ("iio: magnetometer: ak8975: Convert
> > > > > enum->pointer for data in the match tables")
> > >
> > > ^^^ (1)
>
> ...
>
> > > > So we need the spacer until someone converts this driver to use
> > > > pointers instead for both of and ACPI tables.
> > >
> > > Isn't it done by (1) which is in your tree?
> >
> > How (1) can trigger 'Unexpected device' error??
> > It returns match_data, and match_data has correct device type.
>
> How? The enum starts from 0 with a AKXXXX and ak_def_array starts from 0
> indexing, it's classical off-by-one, you got the driver data for a wrong
> chip.
Got it. I was about to reply. It just needs mapping as Andre did here.
Cheers,
Biju
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