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6 Commits

Author SHA1 Message Date
Thomas Richard
a8d1376568 mfd: cgbc-core: Add support for conga-SA8 
Add Board Controller support for the conga-SA8 module.

Signed-off-by: Thomas Richard <thomas.richard@bootlin.com>
Link: https://lore.kernel.org/r/20250318-b4-cgbc-sa8-support-v1-1-6ae9ec443c05@bootlin.com
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-03-21 11:34:08 +00:00
Thomas Richard
ddbc194589 mfd: cgbc: Add support for HWMON 
The Board Controller has some internal sensors. Add a hwmon cell for the
cgbc-hwmon driver which adds support for temperature, voltage, current
and fan sensors.

Signed-off-by: Thomas Richard <thomas.richard@bootlin.com>
Link: https://lore.kernel.org/r/20250203-congatec-board-controller-hwmon-v4-2-ff6c76a4662c@bootlin.com
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-03-21 11:31:01 +00:00
Dan Carpenter
3ce71a0893 mfd: cgbc-core: Cleanup signedness in cgbc_session_request() 
This doesn't affect how the code works because there are some implicit
casts, but the "ret" variable is used to hold negative error codes so
it should be type int.

Declare it as "int" instead of "unsigned int".

Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/9e812dfa-e216-4e40-bbf0-d0b63b110bb0@stanley.mountain
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-03-14 11:48:03 +00:00
Christophe JAILLET
5a700e77d6 mfd: cgbc-core: Fix error handling paths in cgbc_init_device() 
If an error occurs after a cgbc_session_request() call, it should be
balanced by a corresponding cgbc_session_release(), as already done in the
remove function.

Fixes: 6f1067cfbe ("mfd: Add Congatec Board Controller driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Thomas Richard <thomas.richard@bootlin.com>
Link: https://lore.kernel.org/r/83194335554146efc52c331993f083bd765db6f9.1730205085.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Lee Jones <lee@kernel.org>
 2024-11-05 16:13:47 +00:00
Uwe Kleine-König
10821a0613 mfd: Switch back to struct platform_driver::remove() 
After commit 0edb555a65 ("platform: Make platform_driver::remove()
return void") .remove() is (again) the right callback to implement for
platform drivers.

Convert all platform drivers below drivers/mfd to use .remove(), with
the eventual goal to drop struct platform_driver::remove_new(). As
.remove() and .remove_new() have the same prototypes, conversion is done
by just changing the structure member name in the driver initializer.

On the way do a few whitespace changes to make indention consistent.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://lore.kernel.org/r/20241025102943.250184-2-u.kleine-koenig@baylibre.com
Signed-off-by: Lee Jones <lee@kernel.org>
 2024-11-01 15:56:58 +00:00
Thomas Richard
6f1067cfbe mfd: Add Congatec Board Controller driver 
Add core MFD driver for the Board Controller found on some Congatec SMARC
module. This Board Controller provides functions like watchdog, GPIO, and
I2C busses.

This commit adds support only for the conga-SA7 module.

Signed-off-by: Thomas Richard <thomas.richard@bootlin.com>
Link: https://lore.kernel.org/r/20241001-congatec-board-controller-v3-1-39ceceed5c47@bootlin.com
Signed-off-by: Lee Jones <lee@kernel.org>
 2024-10-09 16:31:48 +01:00