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7 Commits

Author SHA1 Message Date
Marc Kleine-Budde
1a1c436bad can: mcp251xfd: mcp251xfd_probe(): bail out if no IRQ was given 
This patch add a check to the mcp251xfd_probe() function to bail out and give
the user a proper error message if no IRQ is specified. Otherwise the driver
will probe just fine but ifup will fail with a meaningless "RTNETLINK answers:
Invalid argument" error message.

Link: https://lore.kernel.org/r/20201123113522.3820052-1-mkl@pengutronix.de
Reported-by: Niels Petter <petter@ka-long.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
 2020-11-26 11:50:32 +01:00
Tom Rix
78db1aa8b5 can: mcp251xfd: remove unneeded break 
A break is not needed if it is preceded by a return.

Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20201019172412.31143-1-trix@redhat.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
 2020-11-03 22:30:33 +01:00
kernel test robot
da623840d8 can: mcp251xfd: mcp251xfd_regmap_nocrc_read(): fix semicolon.cocci warnings 
drivers/net/can/spi/mcp251xfd/mcp251xfd-regmap.c:176:2-3: Unneeded semicolon

 Remove unneeded semicolon.

Generated by: scripts/coccinelle/misc/semicolon.cocci

Fixes: 875347fe5756 ("can: mcp25xxfd: add regmap infrastructure")
Signed-off-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/r/20201019120805.GA63693@ae4257e0ab22
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
 2020-11-03 22:30:33 +01:00
Marc Kleine-Budde
b4728920ae can: mcp251xfd: mcp251xfd_regmap_crc_read(): increase severity of CRC read error messages 
During debugging it turned out that some people have setups where the SPI
communication is more prone to CRC errors.

Increase the severity of both the transfer retry and transfer failure message
to give users feedback without the need to recompile the driver with debug
enabled.

Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: Thomas Kopp <thomas.kopp@microchip.com>
Link: http://lore.kernel.org/r/20201019190524.1285319-15-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
 2020-11-03 22:30:33 +01:00
Marc Kleine-Budde
eb79a267c9 can: mcp251xfd: rename all remaining occurrence to mcp251xfd 
In [1] Geert noted that the autodetect compatible for the mcp25xxfd driver,
which is "microchip,mcp25xxfd" might be too generic and overlap with upcoming,
but incompatible chips.

In the previous patch the autodetect DT compatbile has been renamed to
"microchip,mcp251xfd", this patch changes all non user facing occurrence of
"mcp25xxfd" to "mcp251xfd" and "MCP25XXFD" to "MCP251XFD".

[1] http://lore.kernel.org/r/CAMuHMdVkwGjr6dJuMyhQNqFoJqbh6Ec5V2b5LenCshwpM2SDsQ@mail.gmail.com

Link: https://lore.kernel.org/r/20200930091424.792165-10-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
 2020-09-30 21:55:28 +02:00
Marc Kleine-Budde
f4f77366f2 can: mcp251xfd: rename all user facing strings to mcp251xfd 
In [1] Geert noted that the autodetect compatible for the mcp25xxfd driver,
which is "microchip,mcp25xxfd" might be too generic and overlap with upcoming,
but incompatible chips.

In the previous patch the autodetect DT compatbile has been renamed to
"microchip,mcp251xfd", this patch changes all user facing strings from
"mcp25xxfd" to "mcp251xfd" and "MCP25XXFD" to "MCP251XFD", including:
- kconfig symbols
- name of kernel module
- DT and SPI compatible

[1] http://lore.kernel.org/r/CAMuHMdVkwGjr6dJuMyhQNqFoJqbh6Ec5V2b5LenCshwpM2SDsQ@mail.gmail.com

Link: https://lore.kernel.org/r/20200930091424.792165-9-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
 2020-09-30 21:55:04 +02:00
Marc Kleine-Budde
1f0e21a0c0 can: mcp251xfd: rename driver files and subdir to mcp251xfd 
In [1] Geert noted that the autodetect compatible for the mcp25xxfd driver,
which is "microchip,mcp25xxfd" might be too generic and overlap with upcoming,
but incompatible chips.

In the previous patch the autodetect DT compatbile has been renamed to
"microchip,mcp251xfd", this patch changes the name of the driver subdir and the
individual files accordinly.

[1] http://lore.kernel.org/r/CAMuHMdVkwGjr6dJuMyhQNqFoJqbh6Ec5V2b5LenCshwpM2SDsQ@mail.gmail.com

Link: https://lore.kernel.org/r/20200930091424.792165-8-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
 2020-09-30 21:54:30 +02:00