mailbox: Add RISC-V SBI message proxy (MPXY) based mailbox driver
Add a mailbox controller driver for the new SBI message proxy extension
which is part of the SBI v3.0 specification.
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Co-developed-by: Rahul Pathak <rpathak@ventanamicro.com>
Signed-off-by: Rahul Pathak <rpathak@ventanamicro.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Link: https://lore.kernel.org/r/20250818040920.272664-8-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
projects / thirdparty / kernel / linux.git / commit
