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While chasing in_interrupt() (ab)use in drivers it turned out that the
caif_spi driver has never been in use since the driver was merged 10 years
ago. There never was any matching code which provides a platform device.
The driver has not seen any update (asided of treewide changes and
cleanups) since 8 years and the maintainers vanished from the planet.
So analysing the potential contexts and the (in)correctness of
in_interrupt() usage is just a pointless exercise.
Remove the cruft.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are two text files for caif, plus one already converted
file.
Convert the two remaining ones to ReST, create a new index.rst
file for CAIF, adding it to the main networking documentation
index.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are two README files there with doesn't have a .txt
extension nor are at ReST format.
In order to help with the docs conversion to ReST, rename those
and manually convert them to ReST format.
As there are lot more to be done for networking to be part of
the documentation body, for now mark those two files with
:orphan:, in order to supress a build warning.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Update drawing and remove description of old features.
Add HSI and USB link layers to the drawing.
Reported-by: Joerg Reisenweber <joerg.reisenweber@stericssion.com>
Signed-off-by: Sjur Brændeland <sjur.brandeland@stericssion.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixes generated by 'codespell' and manually reviewed.
Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
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"gadget", "through", "command", "maintain", "maintain", "controller", "address",
"between", "initiali[zs]e", "instead", "function", "select", "already",
"equal", "access", "management", "hierarchy", "registration", "interest",
"relative", "memory", "offset", "already",
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This patch introduces the CAIF SPI Protocol Driver for
CAIF Link Layer.
This driver implements a platform driver to accommodate for a
platform specific SPI device. A general platform driver is not
possible as there are no SPI Slave side Kernel API defined.
A sample CAIF SPI Platform device can be found in
.../Documentation/networking/caif/spi_porting.txt
Signed-off-by: Sjur Braendeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Documentation of the CAIF Protocol.
Signed-off-by: Sjur Braendeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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