From: Mark Brown <broonie@kernel.org>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org,
linux-kernel@vger.kernel.org, Daniel Mack <daniel@zonque.org>,
Haojian Zhuang <haojian.zhuang@gmail.com>,
Robert Jarzmik <robert.jarzmik@free.fr>
Subject: Re: [PATCH v1 3/6] spi: pxa2xx: Remove no more needed PCI ID table
Date: Thu, 20 Oct 2022 17:58:39 +0100 [thread overview]
Message-ID: <Y1F+Pw52nN195qDO@sirena.org.uk> (raw)
In-Reply-To: <Y1F6YRzRS2DR+cKL@smile.fi.intel.com>
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On Thu, Oct 20, 2022 at 07:42:09PM +0300, Andy Shevchenko wrote:
> On Thu, Oct 20, 2022 at 05:25:15PM +0100, Mark Brown wrote:
> > That's true currently since you're matching based on ACPI ID and then
> > have the lookup done with the ID information in the acpi_device_id table
> > but IIRC the patch was replacing that with some device property stuff.
> But that one also based on the IDs, it's not assigned without real IDs of
> the devices on the certain platforms. I don't see how it's different in
> this sense.
The driver won't even match and therefore load if it doesn't have a
lookup for the device with the current code, the type code comes from
the match. If it has to go querying a device property then the driver
can load but end up with a device property it hasn't ever heard of and
end up misbehaving as a result.
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next prev parent reply other threads:[~2022-10-20 16:58 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-17 17:12 [PATCH v1 1/6] spi: pxa2xx: Simplify with devm_platform_get_and_ioremap_resource() Andy Shevchenko
2022-10-17 17:12 ` [PATCH v1 2/6] spi: pxa2xx: Respect Intel SSP type given by a property Andy Shevchenko
2022-10-17 17:17 ` Mark Brown
2022-10-17 17:34 ` Andy Shevchenko
2022-10-17 17:12 ` [PATCH v1 3/6] spi: pxa2xx: Remove no more needed PCI ID table Andy Shevchenko
2022-10-17 17:18 ` Mark Brown
2022-10-17 17:35 ` Andy Shevchenko
2022-10-17 17:39 ` Mark Brown
2022-10-17 17:41 ` Andy Shevchenko
2022-10-18 11:42 ` Mark Brown
2022-10-19 15:06 ` Andy Shevchenko
2022-10-19 15:50 ` Mark Brown
2022-10-20 16:18 ` Andy Shevchenko
2022-10-20 16:25 ` Mark Brown
2022-10-20 16:42 ` Andy Shevchenko
2022-10-20 16:58 ` Mark Brown [this message]
2022-10-20 17:03 ` Andy Shevchenko
2022-10-20 17:26 ` Mark Brown
2022-10-20 17:41 ` Andy Shevchenko
2022-10-20 17:45 ` Mark Brown
2022-10-20 17:55 ` Andy Shevchenko
2022-10-20 18:07 ` Mark Brown
2022-10-20 18:19 ` Andy Shevchenko
2022-10-21 10:42 ` Mark Brown
2022-10-21 10:51 ` Andy Shevchenko
2022-10-21 10:59 ` Mark Brown
2022-10-21 11:15 ` Andy Shevchenko
2022-10-21 12:28 ` Mark Brown
2022-10-21 12:46 ` Andy Shevchenko
2022-10-17 17:42 ` Mark Brown
2022-10-17 17:12 ` [PATCH v1 4/6] spi: pxa2xx: Remove no more needed driver data Andy Shevchenko
2022-10-17 17:12 ` [PATCH v1 5/6] spi: pxa2xx: Move OF and ACPI ID tables closer to their user Andy Shevchenko
2022-10-18 9:16 ` Jonathan Cameron
2022-10-17 17:12 ` [PATCH v1 6/6] spi: pxa2xx: Switch from PM ifdeffery to pm_ptr() Andy Shevchenko
2022-10-17 17:19 ` Mark Brown
2022-10-17 17:35 ` Andy Shevchenko
2022-10-18 9:14 ` Jonathan Cameron
2022-10-18 12:23 ` Andy Shevchenko
2022-10-19 12:05 ` (subset) [PATCH v1 1/6] spi: pxa2xx: Simplify with devm_platform_get_and_ioremap_resource() Mark Brown
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