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Message-ID: <CAK8P3a1ss9-G_mr48-UMOenrA0XDGWUFik4TC=m0WFfimoFdnQ@mail.gmail.com>
Date: Tue, 30 Jul 2019 14:34:50 +0200
From: Arnd Bergmann <arnd@...db.de>
To: Wan Zongshun <Vincent.Wan@....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: Re: RFC: remove Nuvoton w90x900/nuc900 platform?
Trying Wan Zongshun <Vincent.Wan@....com> instead of
the bouncing Wan ZongShun <mcuos.com@...il.com>.
(I assume you are the same person, sorry if not).
On Tue, Jul 30, 2019 at 2:09 PM Arnd Bergmann <arnd@...db.de> wrote:
>
> 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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