sun6i-msgbox.c:undefined reference to `devm_ioremap_resource'

Hi Samuel, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 27bba9c532a8d21050b94224ffd310ad0058c353 commit: 25831c44b0b79ac6261d36d7e777a52bdf92f239 mailbox: sun6i-msgbox: Add a new mailbox driver date: 8 months a

sun6i-msgbox.c:undefined reference to `devm_ioremap_resource'

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: f01c30de86f1047e9bae1b1b1417b0ce8dcd15b1 commit: 25831c44b0b79ac6261d36d7e777a52bdf92f239 mailbox: sun6i-msgbox: Add a new mailbox driver date: 8 months ago config: s390-randconfig-r014-20201115 (attached