| Message ID | 20210120124812.2800027-4-arnd@kernel.org (mailing list archive) |
|---|---|
| State | Queued, archived |
| Headers | show |
| Series | ARM/c6x: remove orphaned platforms | expand |
On Wed, Jan 20, 2021 at 01:48:10PM +0100, Arnd Bergmann wrote: > From: Arnd Bergmann <arnd@arndb.de> > > The ZTE ZX set-top-box SoC platform was added in 2015 by Jun Nie, with > Baoyou Xie and Shawn Guo subsequently becoming maintainers after the > addition of the 64-bit variant. > > However, the only machines that were ever supported upstream are the > reference designs, not actual set-top-box devices that would benefit > from this support. All ZTE set-top-boxes from the past few years seem > to be based on third-party SoCs. While there is very little information > about zx296702 and zx296718 on the web, I found some references to other > chips from the same family, such as zx296716 and zx296719, which were > never submitted for upstream support. Finally, there is no support for > the GPU on either of them, with the lima and panfrost device drivers > having been added after work on the zx platform had stopped. > > Shawn confirmed that he has not seen any interest in this platform for > the past four years, and that it can be removed. > > Thanks to Jun and Shawn for maintaining this platform over the past > five years. > > Cc: Jun Nie <jun.nie@linaro.org> > Cc: Shawn Guo <shawnguo@kernel.org> > Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Shawn Guo <shawnguo@kernel.org>
On 2021/1/20 20:48, Arnd Bergmann wrote: > From: Arnd Bergmann <arnd@arndb.de> > > The ZTE ZX set-top-box SoC platform was added in 2015 by Jun Nie, with > Baoyou Xie and Shawn Guo subsequently becoming maintainers after the > addition of the 64-bit variant. > > However, the only machines that were ever supported upstream are the > reference designs, not actual set-top-box devices that would benefit > from this support. All ZTE set-top-boxes from the past few years seem > to be based on third-party SoCs. While there is very little information > about zx296702 and zx296718 on the web, I found some references to other > chips from the same family, such as zx296716 and zx296719, which were > never submitted for upstream support. Finally, there is no support for > the GPU on either of them, with the lima and panfrost device drivers > having been added after work on the zx platform had stopped. > > Shawn confirmed that he has not seen any interest in this platform for > the past four years, and that it can be removed. > > Thanks to Jun and Shawn for maintaining this platform over the past > five years. > > Cc: Jun Nie <jun.nie@linaro.org> > Cc: Shawn Guo <shawnguo@kernel.org> > Signed-off-by: Arnd Bergmann <arnd@arndb.de> [...] > diff --git a/MAINTAINERS b/MAINTAINERS > index aeef69cbc7ec..54b5e6dee017 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -2704,40 +2704,6 @@ S: Maintained > F: arch/arm/mach-pxa/include/mach/z2.h > F: arch/arm/mach-pxa/z2.c > > -ARM/ZTE ARCHITECTURE > -M: Jun Nie <jun.nie@linaro.org> > -M: Shawn Guo <shawnguo@kernel.org> > -L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) > -S: Maintained [...] > -F: include/dt-bindings/clock/zx2967*.h include/dt-bindings/clock/zx296718-clock.h hadn't been removed. > -F: include/dt-bindings/soc/zte,*.h include/dt-bindings/soc/zte,pm_domains.h neither. > -DRM DRIVERS FOR ZTE ZX > -M: Shawn Guo <shawnguo@kernel.org> > -L: dri-devel@lists.freedesktop.org > -S: Maintained > -T: git git://anongit.freedesktop.org/drm/drm-misc > -F: Documentation/devicetree/bindings/display/zte,vou.txt > -F: drivers/gpu/drm/zte/ The whole zxdrm driver is still in tree, which smells like a leftover. > diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms > index 6eecdef538bd..ec3c0cb27d1e 100644 > --- a/arch/arm64/Kconfig.platforms > +++ b/arch/arm64/Kconfig.platforms > @@ -317,12 +317,6 @@ config ARCH_XGENE > help > This enables support for AppliedMicro X-Gene SOC Family > > -config ARCH_ZX > - bool "ZTE ZX SoC Family" > - select PINCTRL > - help > - This enables support for ZTE ZX SoC Family And ARCH_ZX is still selected in arm64's defconfig (which is why I jumped in this series).
diff --git a/Documentation/devicetree/bindings/arm/zte,sysctrl.txt b/Documentation/devicetree/bindings/arm/zte,sysctrl.txt deleted file mode 100644 index 7e66b7f7ba96..000000000000 diff --git a/Documentation/devicetree/bindings/arm/zte.yaml b/Documentation/devicetree/bindings/arm/zte.yaml deleted file mode 100644 index 672f8129cd31..000000000000 diff --git a/Documentation/devicetree/bindings/reset/zte,zx2967-reset.txt b/Documentation/devicetree/bindings/reset/zte,zx2967-reset.txt deleted file mode 100644 index b015508f9780..000000000000 diff --git a/Documentation/devicetree/bindings/serial/pl011.yaml b/Documentation/devicetree/bindings/serial/pl011.yaml index c23c93b400f0..1a51c532e8d2 100644 --- a/Documentation/devicetree/bindings/serial/pl011.yaml +++ b/Documentation/devicetree/bindings/serial/pl011.yaml @@ -19,7 +19,6 @@ select: contains: enum: - arm,pl011 - - zte,zx296702-uart required: - compatible @@ -30,7 +29,6 @@ properties: - const: arm,pl011 - const: arm,primecell - items: - - const: zte,zx296702-uart - const: arm,primecell reg: diff --git a/Documentation/devicetree/bindings/soc/zte/pd-2967xx.txt b/Documentation/devicetree/bindings/soc/zte/pd-2967xx.txt deleted file mode 100644 index 7629de1c2c72..000000000000 diff --git a/MAINTAINERS b/MAINTAINERS index aeef69cbc7ec..54b5e6dee017 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2704,40 +2704,6 @@ S: Maintained F: arch/arm/mach-pxa/include/mach/z2.h F: arch/arm/mach-pxa/z2.c -ARM/ZTE ARCHITECTURE -M: Jun Nie <jun.nie@linaro.org> -M: Shawn Guo <shawnguo@kernel.org> -L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -S: Maintained -F: Documentation/devicetree/bindings/arm/zte.yaml -F: Documentation/devicetree/bindings/clock/zx2967*.txt -F: Documentation/devicetree/bindings/dma/zxdma.txt -F: Documentation/devicetree/bindings/gpio/zx296702-gpio.txt -F: Documentation/devicetree/bindings/i2c/i2c-zx2967.txt -F: Documentation/devicetree/bindings/mmc/zx-dw-mshc.txt -F: Documentation/devicetree/bindings/pinctrl/pinctrl-zx.txt -F: Documentation/devicetree/bindings/reset/zte,zx2967-reset.txt -F: Documentation/devicetree/bindings/soc/zte/ -F: Documentation/devicetree/bindings/sound/zte,*.txt -F: Documentation/devicetree/bindings/thermal/zx2967-thermal.txt -F: Documentation/devicetree/bindings/watchdog/zte,zx2967-wdt.txt -F: arch/arm/boot/dts/zx2967* -F: arch/arm/mach-zx/ -F: arch/arm64/boot/dts/zte/ -F: drivers/clk/zte/ -F: drivers/dma/zx_dma.c -F: drivers/gpio/gpio-zx.c -F: drivers/i2c/busses/i2c-zx2967.c -F: drivers/mmc/host/dw_mmc-zx.* -F: drivers/pinctrl/zte/ -F: drivers/soc/zte/ -F: drivers/thermal/zx2967_thermal.c -F: drivers/watchdog/zx2967_wdt.c -F: include/dt-bindings/clock/zx2967*.h -F: include/dt-bindings/soc/zte,*.h -F: sound/soc/codecs/zx_aud96p22.c -F: sound/soc/zte/ - ARM/ZYNQ ARCHITECTURE M: Michal Simek <michal.simek@xilinx.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) @@ -6029,14 +5995,6 @@ T: git git://anongit.freedesktop.org/drm/drm-misc F: Documentation/devicetree/bindings/display/xlnx/ F: drivers/gpu/drm/xlnx/ -DRM DRIVERS FOR ZTE ZX -M: Shawn Guo <shawnguo@kernel.org> -L: dri-devel@lists.freedesktop.org -S: Maintained -T: git git://anongit.freedesktop.org/drm/drm-misc -F: Documentation/devicetree/bindings/display/zte,vou.txt -F: drivers/gpu/drm/zte/ - DRM PANEL DRIVERS M: Thierry Reding <thierry.reding@gmail.com> R: Sam Ravnborg <sam@ravnborg.org> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 9d9a7060d365..9f605ab54570 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -718,8 +718,6 @@ source "arch/arm/mach-vexpress/Kconfig" source "arch/arm/mach-vt8500/Kconfig" -source "arch/arm/mach-zx/Kconfig" - source "arch/arm/mach-zynq/Kconfig" # ARMv7-M architecture diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index fe8b95069d31..543e29068c08 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -1353,18 +1353,6 @@ choice This option selects UART0 on VIA/Wondermedia System-on-a-chip devices, including VT8500, WM8505, WM8650 and WM8850. - config DEBUG_ZTE_ZX - bool "Use ZTE ZX UART" - select DEBUG_UART_PL01X - depends on ARCH_ZX - help - Say Y here if you are enabling ZTE ZX296702 SOC and need - debug uart support. - - This option is preferred over the platform specific - options; the platform specific options are deprecated - and will be soon removed. - config DEBUG_ZYNQ_UART0 bool "Kernel low-level debugging on Xilinx Zynq using UART0" depends on ARCH_ZYNQ @@ -1599,7 +1587,6 @@ config DEBUG_UART_PHYS default 0x02531000 if DEBUG_KEYSTONE_UART1 default 0x03010fe0 if ARCH_RPC default 0x07000000 if DEBUG_SUN9I_UART0 - default 0x09405000 if DEBUG_ZTE_ZX default 0x10009000 if DEBUG_REALVIEW_STD_PORT || \ DEBUG_VEXPRESS_UART0_CA9 default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT @@ -1782,7 +1769,6 @@ config DEBUG_UART_VIRT default 0xfb020000 if DEBUG_OMAP3UART3 default 0xfb042000 if DEBUG_OMAP3UART4 default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT - default 0xfc705000 if DEBUG_ZTE_ZX default 0xfcfe8600 if DEBUG_BCM63XX_UART default 0xfd000000 if DEBUG_SPEAR3XX || DEBUG_SPEAR13XX default 0xfd883000 if DEBUG_ALPINE_UART0 diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 7c4b50852a78..7b8eed93f1fa 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -220,7 +220,6 @@ machine-$(CONFIG_ARCH_U8500) += ux500 machine-$(CONFIG_ARCH_VERSATILE) += versatile machine-$(CONFIG_ARCH_VEXPRESS) += vexpress machine-$(CONFIG_ARCH_VT8500) += vt8500 -machine-$(CONFIG_ARCH_ZX) += zx machine-$(CONFIG_ARCH_ZYNQ) += zynq machine-$(CONFIG_PLAT_SPEAR) += spear diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index da413b4d5c3f..5fcae846aa00 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -1387,7 +1387,6 @@ dtb-$(CONFIG_ARCH_MSTARV7) += \ mstar-infinity2m-ssd202d-ssd201htv2.dtb \ mstar-infinity3-msc313e-breadbee.dtb \ mstar-mercury5-ssc8336n-midrived08.dtb -dtb-$(CONFIG_ARCH_ZX) += zx296702-ad1.dtb dtb-$(CONFIG_ARCH_ASPEED) += \ aspeed-ast2500-evb.dtb \ aspeed-ast2600-evb.dtb \ diff --git a/arch/arm/boot/dts/zx296702-ad1.dts b/arch/arm/boot/dts/zx296702-ad1.dts deleted file mode 100644 index bd9400840023..000000000000 diff --git a/arch/arm/boot/dts/zx296702.dtsi b/arch/arm/boot/dts/zx296702.dtsi deleted file mode 100644 index f378c661b3bf..000000000000 diff --git a/arch/arm/configs/zx_defconfig b/arch/arm/configs/zx_defconfig deleted file mode 100644 index a046a492bfa7..000000000000 diff --git a/arch/arm/mach-zx/Kconfig b/arch/arm/mach-zx/Kconfig deleted file mode 100644 index ea29c84a7849..000000000000 diff --git a/arch/arm/mach-zx/Makefile b/arch/arm/mach-zx/Makefile deleted file mode 100644 index 6f8930cdb8fb..000000000000 diff --git a/arch/arm/mach-zx/core.h b/arch/arm/mach-zx/core.h deleted file mode 100644 index 25fe873892c9..000000000000 diff --git a/arch/arm/mach-zx/headsmp.S b/arch/arm/mach-zx/headsmp.S deleted file mode 100644 index 0846859b0573..000000000000 diff --git a/arch/arm/mach-zx/platsmp.c b/arch/arm/mach-zx/platsmp.c deleted file mode 100644 index d4e1d3792224..000000000000 diff --git a/arch/arm/mach-zx/zx296702-pm-domain.c b/arch/arm/mach-zx/zx296702-pm-domain.c deleted file mode 100644 index 7a08bf9dd792..000000000000 diff --git a/arch/arm/mach-zx/zx296702.c b/arch/arm/mach-zx/zx296702.c deleted file mode 100644 index fd8fa3a074fa..000000000000 diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms index 6eecdef538bd..ec3c0cb27d1e 100644 --- a/arch/arm64/Kconfig.platforms +++ b/arch/arm64/Kconfig.platforms @@ -317,12 +317,6 @@ config ARCH_XGENE help This enables support for AppliedMicro X-Gene SOC Family -config ARCH_ZX - bool "ZTE ZX SoC Family" - select PINCTRL - help - This enables support for ZTE ZX SoC Family - config ARCH_ZYNQMP bool "Xilinx ZynqMP Family" help diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile index 9b1170658d60..f1173cd93594 100644 --- a/arch/arm64/boot/dts/Makefile +++ b/arch/arm64/boot/dts/Makefile @@ -29,4 +29,3 @@ subdir-y += synaptics subdir-y += ti subdir-y += toshiba subdir-y += xilinx -subdir-y += zte diff --git a/arch/arm64/boot/dts/zte/Makefile b/arch/arm64/boot/dts/zte/Makefile deleted file mode 100644 index 126896144bda..000000000000 diff --git a/arch/arm64/boot/dts/zte/zx296718-evb.dts b/arch/arm64/boot/dts/zte/zx296718-evb.dts deleted file mode 100644 index cb2519ecd724..000000000000 diff --git a/arch/arm64/boot/dts/zte/zx296718-pcbox.dts b/arch/arm64/boot/dts/zte/zx296718-pcbox.dts deleted file mode 100644 index e02509f7082b..000000000000 diff --git a/arch/arm64/boot/dts/zte/zx296718.dtsi b/arch/arm64/boot/dts/zte/zx296718.dtsi deleted file mode 100644 index cc54837ff4ba..000000000000 diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig index 71ab75a46491..8dd99ca2192c 100644 --- a/drivers/reset/Kconfig +++ b/drivers/reset/Kconfig @@ -173,7 +173,7 @@ config RESET_SCMI config RESET_SIMPLE bool "Simple Reset Controller Driver" if COMPILE_TEST - default ARCH_AGILEX || ARCH_ASPEED || ARCH_BITMAIN || ARCH_REALTEK || ARCH_STM32 || ARCH_STRATIX10 || ARCH_SUNXI || ARCH_ZX || ARC + default ARCH_AGILEX || ARCH_ASPEED || ARCH_BITMAIN || ARCH_REALTEK || ARCH_STM32 || ARCH_STRATIX10 || ARCH_SUNXI || ARC help This enables a simple reset controller driver for reset lines that that can be asserted and deasserted by toggling bits in a contiguous, diff --git a/drivers/soc/Kconfig b/drivers/soc/Kconfig index d097d070f579..f357c6c659d2 100644 --- a/drivers/soc/Kconfig +++ b/drivers/soc/Kconfig @@ -22,7 +22,6 @@ source "drivers/soc/ti/Kconfig" source "drivers/soc/ux500/Kconfig" source "drivers/soc/versatile/Kconfig" source "drivers/soc/xilinx/Kconfig" -source "drivers/soc/zte/Kconfig" source "drivers/soc/kendryte/Kconfig" endmenu diff --git a/drivers/soc/Makefile b/drivers/soc/Makefile index 699b758d28e4..9bceb12b291d 100644 --- a/drivers/soc/Makefile +++ b/drivers/soc/Makefile @@ -28,5 +28,4 @@ obj-y += ti/ obj-$(CONFIG_ARCH_U8500) += ux500/ obj-$(CONFIG_PLAT_VERSATILE) += versatile/ obj-y += xilinx/ -obj-$(CONFIG_ARCH_ZX) += zte/ obj-$(CONFIG_SOC_KENDRYTE) += kendryte/ diff --git a/drivers/soc/zte/Kconfig b/drivers/soc/zte/Kconfig deleted file mode 100644 index 1cf1938da541..000000000000 diff --git a/drivers/soc/zte/Makefile b/drivers/soc/zte/Makefile deleted file mode 100644 index 728c677addcd..000000000000 diff --git a/drivers/soc/zte/zx296718_pm_domains.c b/drivers/soc/zte/zx296718_pm_domains.c deleted file mode 100644 index 4daab06bbc26..000000000000 diff --git a/drivers/soc/zte/zx2967_pm_domains.c b/drivers/soc/zte/zx2967_pm_domains.c deleted file mode 100644 index a4503e31b616..000000000000 diff --git a/drivers/soc/zte/zx2967_pm_domains.h b/drivers/soc/zte/zx2967_pm_domains.h deleted file mode 100644 index f586c02410ff..000000000000