This is a note to let you know that I've just added the patch titled mfd: mp2629: Select MFD_CORE to fix build error to the 5.13-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: mfd-mp2629-select-mfd_core-to-fix-build-error.patch and it can be found in the queue-5.13 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 928f0eebaa2461f36451bf6362d6ec32c9251e7a Author: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Date: Mon May 3 19:32:18 2021 -0700 mfd: mp2629: Select MFD_CORE to fix build error [ Upstream commit a933272041d852a1ef1c85f0c18b93e9999a41fa ] MFD_MP2629 should select MFD_CORE to a prevent build error: ERROR: modpost: "devm_mfd_add_devices" [drivers/mfd/mp2629.ko] undefined! Fixes: 06081646450e ("mfd: mp2629: Add support for mps battery charger") Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 5c7f2b100191..5c408c1dc58c 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -465,6 +465,7 @@ config MFD_MP2629 tristate "Monolithic Power Systems MP2629 ADC and Battery charger" depends on I2C select REGMAP_I2C + select MFD_CORE help Select this option to enable support for Monolithic Power Systems battery charger. This provides ADC, thermal and battery charger power