Le 2017-01-18 08:27, Thierry Reding a écrit :
On Wed, Jan 18, 2017 at 12:14:21AM +0100, Paul Cercueil wrote:
All the drivers for the various hardware elements of the jz4740 SoC
have been modified to use the pinctrl framework for their pin
configuration needs. As such, this platform code is now unused and can
be deleted. Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx> ---
arch/mips/include/asm/mach-jz4740/gpio.h | 371 ----------------------
arch/mips/jz4740/Makefile | 2 - arch/mips/jz4740/gpio.c | 519
------------------------------- 3 files changed, 892 deletions(-)
delete mode 100644 arch/mips/jz4740/gpio.c
Have you considered how this could best be merged? It's probably
easiest
to take all of this through the MIPS tree because we have an addition
of
the pinctrl that would be a replacement for the GPIO code, while at the
same time a bunch of drivers rely on the JZ4740 GPIO code for
successful
compilation.
That's slightly complicated by the number of drivers, so needs a lot of
coordination, but it's not the worst I've seen.
Maybe one other solution that would make the transition easier would be
to stub out the GPIO functions if the pinctrl driver is enabled, and do
the removal of the mach-jz4740/gpio.h after all drivers have been
merged
through their corresponding subsystem trees. That way all drivers
should
remain compilable and functional at runtime, while still having the
possibility to merge through the subsystem trees.
That said, the whole series is fairly simple, so merging everything
through the MIPS tree sounds like the easiest way to go.
Thierry
I think it would make sense to merge it through the MIPS tree, yes,
considering that the patches for the drivers in the other subsystems are
quite small, and that they just remove code (well, except the pinctrl
driver itself). Besides, the files modified are not touched very often
so the chances of breakage are pretty low.
-Paul
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