1
0
Fork 0
mirror of synced 2025-03-06 20:59:54 +01:00
Commit graph

6 commits

Author SHA1 Message Date
Heiner Kallweit
9fd12f3857 i2c: Don't let i2c adapters declare I2C_CLASS_SPD support if they support I2C_CLASS_HWMON
After removal of the legacy eeprom driver the only remaining I2C
client device driver supporting I2C_CLASS_SPD is jc42. Because this
driver also supports I2C_CLASS_HWMON, adapters don't have to
declare support for I2C_CLASS_SPD if they support I2C_CLASS_HWMON.
It's one step towards getting rid of I2C_CLASS_SPD mid-term.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Acked-by: Andi Shyti <andi.shyti@kernel.org>
Acked-by: Jim Cromie <jim.cromie@gmail.com> # for SCX
Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18 21:10:41 +01:00
Martin Povišer
19e138e43a i2c: pasemi: Drop I2C classes from platform driver variant
Drop I2C device-probing classes from platform variant of the PASemi
controller as it is only used on platforms where I2C devices should
be instantiated in devicetree. (The I2C_CLASS_DEPRECATED flag is not
raised as up to this point no devices relied on the old behavior.)

Fixes: d88ae2932d ("i2c: pasemi: Add Apple platform driver")
Signed-off-by: Martin Povišer <povik+lin@cutebit.org>
Reviewed-by: Sven Peter <sven@svenpeter.dev>
Acked-by: Hector Martin <marcan@marcan.st>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
2022-02-15 10:28:34 +01:00
Sven Peter
3abdc89b5e i2c: pasemi: Set enable bit for Apple variant
Some later revisions after the original PASemi I2C controller introduce
what likely is an enable bit to the CTL register. Without setting it the
actual i2c transmission is never started.

Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Acked-by: Olof Johansson <olof@lixom.net>
Tested-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
2021-10-11 11:45:56 +02:00
Sven Peter
a2c34bfd2c i2c: pasemi: Refactor _probe to use devm_*
Using managed device resources means there's nothing left to be done in
pasemi_smb_pci_remove and also allows to remove base and size from
struct pasemi_smbus.

Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Acked-by: Olof Johansson <olof@lixom.net>
Tested-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
2021-10-11 11:45:35 +02:00
Sven Peter
fd664ab231 i2c: pasemi: Allow to configure bus frequency
Right now the bus frequency has always been hardcoded as
100 KHz with the specific reference clock used in the PASemi
PCI controllers. Make this configurable to prepare for the
platform driver.

Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Acked-by: Olof Johansson <olof@lixom.net>
Tested-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
2021-10-11 11:45:28 +02:00
Sven Peter
9bc5f4f660 i2c: pasemi: Split pci driver to its own file
Split off the PCI driver so that we can reuse common code for the
platform driver.

Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Acked-by: Olof Johansson <olof@lixom.net>
Tested-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
2021-10-11 11:45:16 +02:00