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: Wed, 19 Oct 2022 16:50:38 +0100 [thread overview]
Message-ID: <Y1AczgwCEQO2gvQ2@sirena.org.uk> (raw)
In-Reply-To: <Y1ASXFOuc2uGXOlV@smile.fi.intel.com>
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On Wed, Oct 19, 2022 at 06:06:04PM +0300, Andy Shevchenko wrote:
> On Tue, Oct 18, 2022 at 12:42:03PM +0100, Mark Brown wrote:
> > You should probably also restructure the code interpreting the device
> > IDs so that it's very clear that unknown values are handled well, this
> > would split things between multiple subsystems and right now the code is
> > a bit fragile.
> I'm not sure how better to do this. Any example?
For example a check that the ID is one we know about. IIRC that bit of
context looked like a tree of if statements with no particular
validation.
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WARNING: multiple messages have this Message-ID (diff)
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: Wed, 19 Oct 2022 16:50:38 +0100 [thread overview]
Message-ID: <Y1AczgwCEQO2gvQ2@sirena.org.uk> (raw)
In-Reply-To: <Y1ASXFOuc2uGXOlV@smile.fi.intel.com>
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On Wed, Oct 19, 2022 at 06:06:04PM +0300, Andy Shevchenko wrote:
> On Tue, Oct 18, 2022 at 12:42:03PM +0100, Mark Brown wrote:
> > You should probably also restructure the code interpreting the device
> > IDs so that it's very clear that unknown values are handled well, this
> > would split things between multiple subsystems and right now the code is
> > a bit fragile.
> I'm not sure how better to do this. Any example?
For example a check that the ID is one we know about. IIRC that bit of
context looked like a tree of if statements with no particular
validation.
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next prev parent reply other threads:[~2022-10-19 15:54 UTC|newest]
Thread overview: 78+ 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 ` 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 17:12 ` Andy Shevchenko
2022-10-17 17:17 ` Mark Brown
2022-10-17 17:17 ` Mark Brown
2022-10-17 17:34 ` Andy Shevchenko
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 17:12 ` Andy Shevchenko
2022-10-17 17:18 ` Mark Brown
2022-10-17 17:18 ` Mark Brown
2022-10-17 17:35 ` Andy Shevchenko
2022-10-17 17:35 ` Andy Shevchenko
2022-10-17 17:39 ` Mark Brown
2022-10-17 17:39 ` Mark Brown
2022-10-17 17:41 ` Andy Shevchenko
2022-10-17 17:41 ` Andy Shevchenko
2022-10-18 11:42 ` Mark Brown
2022-10-18 11:42 ` Mark Brown
2022-10-19 15:06 ` Andy Shevchenko
2022-10-19 15:06 ` Andy Shevchenko
2022-10-19 15:50 ` Mark Brown [this message]
2022-10-19 15:50 ` Mark Brown
2022-10-20 16:18 ` Andy Shevchenko
2022-10-20 16:18 ` Andy Shevchenko
2022-10-20 16:25 ` Mark Brown
2022-10-20 16:25 ` Mark Brown
2022-10-20 16:42 ` Andy Shevchenko
2022-10-20 16:42 ` Andy Shevchenko
2022-10-20 16:58 ` Mark Brown
2022-10-20 16:58 ` Mark Brown
2022-10-20 17:03 ` Andy Shevchenko
2022-10-20 17:03 ` Andy Shevchenko
2022-10-20 17:26 ` Mark Brown
2022-10-20 17:26 ` Mark Brown
2022-10-20 17:41 ` Andy Shevchenko
2022-10-20 17:41 ` Andy Shevchenko
2022-10-20 17:45 ` Mark Brown
2022-10-20 17:45 ` Mark Brown
2022-10-20 17:55 ` Andy Shevchenko
2022-10-20 17:55 ` Andy Shevchenko
2022-10-20 18:07 ` Mark Brown
2022-10-20 18:07 ` Mark Brown
2022-10-20 18:19 ` Andy Shevchenko
2022-10-20 18:19 ` Andy Shevchenko
2022-10-21 10:42 ` Mark Brown
2022-10-21 10:42 ` Mark Brown
2022-10-21 10:51 ` Andy Shevchenko
2022-10-21 10:51 ` Andy Shevchenko
2022-10-21 10:59 ` Mark Brown
2022-10-21 10:59 ` Mark Brown
2022-10-21 11:15 ` Andy Shevchenko
2022-10-21 11:15 ` Andy Shevchenko
2022-10-21 12:28 ` Mark Brown
2022-10-21 12:28 ` Mark Brown
2022-10-21 12:46 ` Andy Shevchenko
2022-10-21 12:46 ` Andy Shevchenko
2022-10-17 17:42 ` Mark Brown
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 ` 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
2022-10-17 17:12 ` Andy Shevchenko
2022-10-18 9:16 ` Jonathan Cameron
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 17:12 ` Andy Shevchenko
2022-10-17 17:19 ` Mark Brown
2022-10-17 17:19 ` Mark Brown
2022-10-17 17:35 ` Andy Shevchenko
2022-10-17 17:35 ` Andy Shevchenko
2022-10-18 9:14 ` Jonathan Cameron
2022-10-18 9:14 ` Jonathan Cameron
2022-10-18 12:23 ` Andy Shevchenko
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
2022-10-19 12:05 ` Mark Brown
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