Jakub Kicinski [off-list ref] writes:

Looks like almost all changes to this driver had been tree-wide
refactoring since git era begun. There is one commit from Al
15 years ago which could potentially be fixing a real bug.

The driver is using virt_to_bus() and is a real magnet for pointless
cleanups. It seems unlikely to have real users. Let's try to shed
this maintenance burden.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
CC: corbet@lwn.net
CC: tsbogend@alpha.franken.de
CC: mpe@ellerman.id.au
CC: benh@kernel.crashing.org
CC: paulus@samba.org
CC: sburla@marvell.com
CC: vburru@marvell.com
CC: aayarekar@marvell.com
CC: arnd@arndb.de
CC: zhangyue1@kylinos.cn
CC: linux-doc@vger.kernel.org
CC: linux-mips@vger.kernel.org
CC: linuxppc-dev@lists.ozlabs.org
CC: linux-parisc@vger.kernel.org
---
 .../device_drivers/ethernet/dec/de4x5.rst     |  189 -
 .../device_drivers/ethernet/index.rst         |    1 -
 arch/mips/configs/mtx1_defconfig              |    1 -
 arch/powerpc/configs/chrp32_defconfig         |    1 -
 arch/powerpc/configs/ppc6xx_defconfig         |    1 -

Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)

cheers