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We need the fixes in here, and it resolves a merge conflict in:
drivers/misc/amd-sbi/Kconfig
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add a sentence to the driver description to clarify that the sbrmi-i2c
driver is intended to run on the BMC and not on the managed node. Add
platform dependencies accordingly.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Link: https://lore.kernel.org/r/5c9f7100-0e59-4237-a252-43c3ee4802a2@amd.com
Link: https://patch.msgid.link/20251016155040.0e86c102@endymion
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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AMD EPYC platforms with zen5 and later support APML(SB-RMI)
connection to the BMC over I3C bus for faster data transfer
up to 12.5 Mhz.
I2C and I3C is supported in same file using module_i3c_i2c_driver()
with probe based on dts entry.
AMD APML I3C devices support static address for backward compatibility to I2C.
I3C static address can be used to assign I3C device dynamic address.
Reviewed-by: Naveen Krishna Chatradhi <naveenkrishna.chatradhi@amd.com>
Signed-off-by: Akshay Gupta <akshay.gupta@amd.com>
Link: https://patch.msgid.link/20250915103649.1705078-2-akshay.gupta@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Without CONFIG_REGMAP, rmi-i2c.c fails to build because struct
regmap_config is not defined:
drivers/misc/amd-sbi/rmi-i2c.c: In function ‘sbrmi_i2c_probe’:
drivers/misc/amd-sbi/rmi-i2c.c:57:16: error: variable ‘sbrmi_i2c_regmap_config’ has initializer but incomplete type
57 | struct regmap_config sbrmi_i2c_regmap_config = {
| ^~~~~~~~~~~~~
Additionally, CONFIG_REGMAP_I2C is needed for devm_regmap_init_i2c():
ld: drivers/misc/amd-sbi/rmi-i2c.o: in function `sbrmi_i2c_probe':
drivers/misc/amd-sbi/rmi-i2c.c:69:(.text+0x1c0): undefined reference to `__devm_regmap_init_i2c'
Fixes: 013f7e7131bd ("misc: amd-sbi: Use regmap subsystem")
Cc: stable@vger.kernel.org
Signed-off-by: Max Kellermann <max.kellermann@ionos.com>
Tested-by: Akshay Gupta <Akshay.Gupta@amd.com>
Reviewed-by: Akshay Gupta <Akshay.Gupta@amd.com>
Link: https://lore.kernel.org/r/20250829091442.1112106-1-max.kellermann@ionos.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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- Move hwmon device sensor to misc as only power is reported through
hwmon sensor.
Reviewed-by: Naveen Krishna Chatradhi <naveenkrishna.chatradhi@amd.com>
Signed-off-by: Akshay Gupta <akshay.gupta@amd.com>
Link: https://lore.kernel.org/r/20250428063034.2145566-4-akshay.gupta@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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- This is done to utilize the protocol functionality into
other domains.
- Increase the scalability of the module with different bus(i2c/i3c)
Reviewed-by: Naveen Krishna Chatradhi <naveenkrishna.chatradhi@amd.com>
Signed-off-by: Akshay Gupta <akshay.gupta@amd.com>
Link: https://lore.kernel.org/r/20250428063034.2145566-3-akshay.gupta@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is done to support other functionality provided by the SBRMI, which
does not fit in the hwmon subsystem.
Reviewed-by: Naveen Krishna Chatradhi <naveenkrishna.chatradhi@amd.com>
Signed-off-by: Akshay Gupta <akshay.gupta@amd.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20250428063034.2145566-2-akshay.gupta@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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