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Message-ID: <CAK8P3a3jjDh6aEVf0bBFYc=8GtB38kL6sWVZGJiUe427A7m2ng@mail.gmail.com>
Date: Tue, 30 Jul 2019 14:09:00 +0200
From: Arnd Bergmann <arnd@...db.de>
To: Wan ZongShun <mcuos.com@...il.com>
Cc: Linux ARM <linux-arm-kernel@...ts.infradead.org>,
Linus Walleij <linus.walleij@...aro.org>,
Russell King <rmk+kernel@...linux.org.uk>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Avi Fishman <avifishman70@...il.com>,
Tomer Maimon <tmaimon77@...il.com>,
Tali Perry <tali.perry1@...il.com>,
Patrick Venture <venture@...gle.com>,
Nancy Yuen <yuenn@...gle.com>,
Benjamin Fair <benjaminfair@...gle.com>,
OpenBMC Maillist <openbmc@...ts.ozlabs.org>
Subject: RFC: remove Nuvoton w90x900/nuc900 platform?
As the mach-netx and mach-8695 platforms are being removed now,
I wonder whether we should do the same with w90x00: Here is what
I found after looking at the git history and external material for it.
- The supported chips (nuc910/950/960) are no longer marketed
by the manufacturer
- Newer chips from the same family (nuc97x, nuc980, n329x)
that are still marketed have Linux BSPs but those were never
submitted for upstream inclusion.
- Wan ZongShun is listed as maintainer, but the last patch he wrote
was in 2011.
- All patches to w90x900 platform specific files afterwards
are cleanups that were apparently done without access to
test hardware.
- The http://www.mcuos.com/ website listed in the MAINTAINERS
file is no longer reachable.
We do support the newer NPCM platform from Nuvoton. I don't think
there are any shared drivers between the two, but I've added its
maintainers to Cc anyway, in case they still (plan to) use one of
those drivers.
If we decide that it's time to let go, I'll would the patches below.
watchdog: remove w90x900 driver
spi: remove w90x900 driver
ASoC: remove w90x900/nuc900 platform drivers
fbdev: remove w90x900/nuc900 platform drivers
Input: remove w90x900 keyboard driver
Input: remove w90x900 touchscreen driver
mtd: rawnand: remove w90x900 driver
net: remove w90p910-ether driver
rtc: remove w90x900/nuc900 driver
usb: remove ehci-w90x900 driver
ARM: remove w90x900 platform
Documentation/watchdog/watchdog-parameters.rst | 10 -
MAINTAINERS | 16 -
arch/arm/Kconfig | 21 +-
arch/arm/Makefile | 1 -
arch/arm/configs/nuc910_defconfig | 51 -
arch/arm/configs/nuc950_defconfig | 67 --
arch/arm/configs/nuc960_defconfig | 57 --
arch/arm/mach-w90x900/Kconfig | 54 --
arch/arm/mach-w90x900/Makefile | 20 -
arch/arm/mach-w90x900/Makefile.boot | 4 -
arch/arm/mach-w90x900/clksel.c | 88 --
arch/arm/mach-w90x900/clock.c | 121 ---
arch/arm/mach-w90x900/clock.h | 40 -
arch/arm/mach-w90x900/cpu.c | 238 -----
arch/arm/mach-w90x900/cpu.h | 56 --
arch/arm/mach-w90x900/dev.c | 537 -----------
arch/arm/mach-w90x900/gpio.c | 150 ---
arch/arm/mach-w90x900/include/mach/entry-macro.S | 26 -
arch/arm/mach-w90x900/include/mach/hardware.h | 19 -
arch/arm/mach-w90x900/include/mach/irqs.h | 82 --
arch/arm/mach-w90x900/include/mach/map.h | 153 ---
arch/arm/mach-w90x900/include/mach/mfp.h | 21 -
arch/arm/mach-w90x900/include/mach/regs-clock.h | 49 -
arch/arm/mach-w90x900/include/mach/regs-irq.h | 46 -
arch/arm/mach-w90x900/include/mach/regs-ldm.h | 248 -----
arch/arm/mach-w90x900/include/mach/regs-serial.h | 54 --
arch/arm/mach-w90x900/include/mach/uncompress.h | 43 -
arch/arm/mach-w90x900/irq.c | 212 -----
arch/arm/mach-w90x900/mach-nuc910evb.c | 38 -
arch/arm/mach-w90x900/mach-nuc950evb.c | 42 -
arch/arm/mach-w90x900/mach-nuc960evb.c | 38 -
arch/arm/mach-w90x900/mfp.c | 197 ----
arch/arm/mach-w90x900/nuc910.c | 58 --
arch/arm/mach-w90x900/nuc910.h | 17 -
arch/arm/mach-w90x900/nuc950.c | 52 --
arch/arm/mach-w90x900/nuc950.h | 17 -
arch/arm/mach-w90x900/nuc960.c | 50 -
arch/arm/mach-w90x900/nuc960.h | 17 -
arch/arm/mach-w90x900/nuc9xx.h | 22 -
arch/arm/mach-w90x900/regs-ebi.h | 29 -
arch/arm/mach-w90x900/regs-gcr.h | 34 -
arch/arm/mach-w90x900/regs-timer.h | 37 -
arch/arm/mach-w90x900/regs-usb.h | 31 -
arch/arm/mach-w90x900/time.c | 168 ----
drivers/input/keyboard/Kconfig | 11 -
drivers/input/keyboard/Makefile | 1 -
drivers/input/keyboard/w90p910_keypad.c | 264 ------
drivers/input/touchscreen/Kconfig | 9 -
drivers/input/touchscreen/Makefile | 1 -
drivers/input/touchscreen/w90p910_ts.c | 331 -------
drivers/mtd/nand/raw/Kconfig | 8 -
drivers/mtd/nand/raw/Makefile | 1 -
drivers/mtd/nand/raw/nuc900_nand.c | 304 ------
drivers/net/ethernet/Kconfig | 1 -
drivers/net/ethernet/Makefile | 1 -
drivers/net/ethernet/nuvoton/Kconfig | 29 -
drivers/net/ethernet/nuvoton/Makefile | 6 -
drivers/net/ethernet/nuvoton/w90p910_ether.c | 1082 ----------------------
drivers/rtc/Kconfig | 7 -
drivers/rtc/Makefile | 1 -
drivers/rtc/rtc-nuc900.c | 271 ------
drivers/spi/Kconfig | 7 -
drivers/spi/Makefile | 1 -
drivers/spi/spi-nuc900.c | 429 ---------
drivers/usb/host/Kconfig | 6 -
drivers/usb/host/Makefile | 1 -
drivers/usb/host/ehci-w90x900.c | 130 ---
drivers/video/fbdev/Kconfig | 14 -
drivers/video/fbdev/Makefile | 1 -
drivers/video/fbdev/nuc900fb.c | 760 ---------------
drivers/video/fbdev/nuc900fb.h | 51 -
drivers/watchdog/Kconfig | 9 -
drivers/watchdog/Makefile | 1 -
drivers/watchdog/nuc900_wdt.c | 303 ------
include/Kbuild | 2 -
include/linux/platform_data/keypad-w90p910.h | 16 -
include/linux/platform_data/spi-nuc900.h | 29 -
include/linux/platform_data/video-nuc900fb.h | 79 --
sound/soc/Kconfig | 1 -
sound/soc/Makefile | 1 -
sound/soc/nuc900/Kconfig | 29 -
sound/soc/nuc900/Makefile | 12 -
sound/soc/nuc900/nuc900-ac97.c | 391 --------
sound/soc/nuc900/nuc900-audio.c | 73 --
sound/soc/nuc900/nuc900-audio.h | 108 ---
sound/soc/nuc900/nuc900-pcm.c | 321 -------
86 files changed, 1 insertion(+), 8433 deletions(-)
Arnd
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