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2023-06-21mips: ralink: mt7620: remove clock related codeSergio Paracuellos
A proper clock driver for ralink SoCs has been added. Hence there is no need to have clock related code in 'arch/mips/ralink' folder anymore. Since this is the last clock related code removal, remove also remaining prototypes in 'common.h' header file. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2023-06-21mips: ralink: rt3883: remove clock related codeSergio Paracuellos
A properly clock driver for ralink SoCs has been added. Hence there is no need to have clock related code in 'arch/mips/ralink' folder anymore. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2023-06-21mips: ralink: rt305x: remove clock related codeSergio Paracuellos
A properly clock driver for ralink SoCs has been added. Hence there is no need to have clock related code in 'arch/mips/ralink' folder anymore. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2023-06-21mips: ralink: rt288x: remove clock related codeSergio Paracuellos
A properly clock driver for ralink SoCs has been added. Hence there is no need to have clock related code in 'arch/mips/ralink' folder anymore. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2023-03-14mips: ralink: mt7620: define MT7620_SYSC_BASE with __iomemSergio Paracuellos
So that MT7620_SYSC_BASE can be used later in multiple functions without needing to repeat this __iomem declaration each time Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2023-03-14mips: ralink: rt288x: define RT2880_SYSC_BASE with __iomemSergio Paracuellos
So that RT2880_SYSC_BASE can be used later in multiple functions without needing to repeat this __iomem declaration each time Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2023-03-14mips: ralink: rt3883: define RT3883_SYSC_BASE with __iomemSergio Paracuellos
So that RT3883_SYSC_BASE can be used later in multiple functions without needing to repeat this __iomem declaration each time Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2023-03-14mips: ralink: rt305x: define RT305X_SYSC_BASE with __iomemSergio Paracuellos
So that RT305X_SYSC_BASE can be used later in multiple functions without needing to repeat this __iomem declaration each time Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2022-12-01mips: ralink: mt7621: define MT7621_SYSC_BASE with __iomemJohn Thomson
So that MT7621_SYSC_BASE can be used later in multiple functions without needing to repeat this __iomem declaration each time Signed-off-by: John Thomson <git@johnthomson.fastmail.com.au> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2022-05-26MIPS: RALINK: Define pci_remap_iospace under CONFIG_PCI_DRIVERS_GENERICTiezhu Yang
kernel test robot reports a build error used with clang compiler and mips-randconfig [1]: ld.lld: error: undefined symbol: pci_remap_iospace we can see the following configs in the mips-randconfig file: CONFIG_RALINK=y CONFIG_SOC_MT7620=y CONFIG_PCI_DRIVERS_LEGACY=y CONFIG_PCI=y CONFIG_RALINK is set, so pci_remap_iospace is defined in the related arch/mips/include/asm/mach-ralink/spaces.h header file: #define pci_remap_iospace pci_remap_iospace CONFIG_PCI is set, so pci_remap_iospace() in drivers/pci/pci.c is not built due to pci_remap_iospace is defined under CONFIG_RALINK. #ifndef pci_remap_iospace int pci_remap_iospace(const struct resource *res, ...) $ objdump -d drivers/pci/pci.o | grep pci_remap_iospace 00004cc8 <devm_pci_remap_iospace>: 4d18: 10400008 beqz v0,4d3c <devm_pci_remap_iospace+0x74> 4d2c: 1040000c beqz v0,4d60 <devm_pci_remap_iospace+0x98> 4d70: 1000fff3 b 4d40 <devm_pci_remap_iospace+0x78> In addition, CONFIG_PCI_DRIVERS_GENERIC is not set, so pci_remap_iospace() in arch/mips/pci/pci-generic.c is not built too. #ifdef pci_remap_iospace int pci_remap_iospace(const struct resource *res, ...) For the above reasons, undefined reference pci_remap_iospace() looks like reasonable. Here are simple steps to reproduce used with gcc and defconfig: cd mips.git make vocore2_defconfig # set RALINK, SOC_MT7620, PCI_DRIVERS_LEGACY make menuconfig # set PCI make there exists the following build error: LD vmlinux.o MODPOST vmlinux.symvers MODINFO modules.builtin.modinfo GEN modules.builtin LD .tmp_vmlinux.kallsyms1 drivers/pci/pci.o: In function `devm_pci_remap_iospace': pci.c:(.text+0x4d24): undefined reference to `pci_remap_iospace' Makefile:1158: recipe for target 'vmlinux' failed make: *** [vmlinux] Error 1 Define pci_remap_iospace under CONFIG_PCI_DRIVERS_GENERIC can fix the build error, with this patch, no build error remains. This patch is similar with commit e538e8649892 ("MIPS: asm: pci: define arch-specific 'pci_remap_iospace()' dependent on 'CONFIG_PCI_DRIVERS_GENERIC'"). [1] https://lore.kernel.org/lkml/202205251247.nQ5cxSV6-lkp@intel.com/ Fixes: 09d97da660ff ("MIPS: Only define pci_remap_iospace() for Ralink") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Acked-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2022-03-01MIPS: Remove TX39XX supportThomas Bogendoerfer
No (active) developer owns this hardware, so let's remove Linux support. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Acked-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2021-12-09MIPS: Only define pci_remap_iospace() for RalinkTiezhu Yang
After commit 9f76779f2418 ("MIPS: implement architecture-specific 'pci_remap_iospace()'"), there exists the following warning on the Loongson64 platform: loongson-pci 1a000000.pci: IO 0x0018020000..0x001803ffff -> 0x0000020000 loongson-pci 1a000000.pci: MEM 0x0040000000..0x007fffffff -> 0x0040000000 ------------[ cut here ]------------ WARNING: CPU: 2 PID: 1 at arch/mips/pci/pci-generic.c:55 pci_remap_iospace+0x84/0x90 resource start address is not zero ... Call Trace: [<ffffffff8020dc78>] show_stack+0x40/0x120 [<ffffffff80cf4a0c>] dump_stack_lvl+0x58/0x74 [<ffffffff8023a0b0>] __warn+0xe0/0x110 [<ffffffff80cee02c>] warn_slowpath_fmt+0xa4/0xd0 [<ffffffff80cecf24>] pci_remap_iospace+0x84/0x90 [<ffffffff807f9864>] devm_pci_remap_iospace+0x5c/0xb8 [<ffffffff808121b0>] devm_of_pci_bridge_init+0x178/0x1f8 [<ffffffff807f4000>] devm_pci_alloc_host_bridge+0x78/0x98 [<ffffffff80819454>] loongson_pci_probe+0x34/0x160 [<ffffffff809203cc>] platform_probe+0x6c/0xe0 [<ffffffff8091d5d4>] really_probe+0xbc/0x340 [<ffffffff8091d8f0>] __driver_probe_device+0x98/0x110 [<ffffffff8091d9b8>] driver_probe_device+0x50/0x118 [<ffffffff8091dea0>] __driver_attach+0x80/0x118 [<ffffffff8091b280>] bus_for_each_dev+0x80/0xc8 [<ffffffff8091c6d8>] bus_add_driver+0x130/0x210 [<ffffffff8091ead4>] driver_register+0x8c/0x150 [<ffffffff80200a8c>] do_one_initcall+0x54/0x288 [<ffffffff811a5320>] kernel_init_freeable+0x27c/0x2e4 [<ffffffff80cfc380>] kernel_init+0x2c/0x134 [<ffffffff80205a2c>] ret_from_kernel_thread+0x14/0x1c ---[ end trace e4a0efe10aa5cce6 ]--- loongson-pci 1a000000.pci: error -19: failed to map resource [io 0x20000-0x3ffff] We can see that the resource start address is 0x0000020000, because the ISA Bridge used the zero address which is defined in the dts file arch/mips/boot/dts/loongson/ls7a-pch.dtsi: ISA Bridge: /bus@10000000/isa@18000000 IO 0x0000000018000000..0x000000001801ffff -> 0x0000000000000000 Based on the above analysis, the architecture-specific pci_remap_iospace() is not suitable for Loongson64, we should only define pci_remap_iospace() for Ralink on MIPS based on the commit background. Fixes: 9f76779f2418 ("MIPS: implement architecture-specific 'pci_remap_iospace()'") Suggested-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Tested-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Acked-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2021-10-05MIPS: ralink: set PCI_IOBASE to 'mips_io_port_base'Sergio Paracuellos
By default MIPS architecture use function 'set_io_port_base()' to set the virtual address of the first IO port. This function at the end sets variable 'mips_io_port_base' with the desired address. To align things and allow to change first IO port location address for PCI, set PCI_IOBASE definition as 'mips_io_port_base'. Fixes: 222b27713d7f ("MIPS: ralink: Define PCI_IOBASE") Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Link: https://lore.kernel.org/r/20210925203224.10419-4-sergio.paracuellos@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-05Revert "MIPS: ralink: don't define PC_IOBASE but increase IO_SPACE_LIMIT"Sergio Paracuellos
This reverts commit 159697474db41732ef3b6c2e8d9395f09d1f659e. There is no real need to increase IO_SPACE_LIMIT if PCI_IOBASE is properly set to 'mips_io_port_base'. Hence revert this commit first before doing anything else. Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Link: https://lore.kernel.org/r/20210925203224.10419-2-sergio.paracuellos@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-09-21MIPS: ralink: don't define PC_IOBASE but increase IO_SPACE_LIMITSergio Paracuellos
Defining PCI_IOBASE results in pci resource handling working but the addresses generated for IO accesses are wrong since the ioremap in the pci core function 'pci_parse_request_of_pci_ranges' tries to remap to a fixed virtual address (PC_IOBASE) which can't work for KSEG1 addresses. To get it working this way, we would need to put PCI_IOBASE somewhere into KSEG2 which will result in creating TLB entries for IO addresses, which most of the time isn't needed on MIPS because of access via KSEG1. So avoid to define PCI_IOBASE and increase IO_SPACE_LIMIT resource for ralink MIPS platform instead, to get valid IO addresses for resources from pci core 'pci_address_to_pio' function. Fixes: 222b27713d7f ("MIPS: ralink: Define PCI_IOBASE") Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Link: https://lore.kernel.org/r/20210822161005.22467-2-sergio.paracuellos@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-07-05Merge tag 'staging-5.14-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging / IIO driver updates from Greg KH: "Here is the big set of IIO and staging driver patches for 5.14-rc1. Loads of IIO driver updates and additions in here, the shortlog has the full details. For the staging side, we moved a few drivers out of staging, and deleted the kpc2000 drivers as the original developer asked us to because no one was working on them anymore. Also in here are loads of coding style cleanups due to different intern projects focusing on the staging tree to try to get experience doing kernel development. All of these have been in the linux-next tree for a while with no reported problems" * tag 'staging-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (744 commits) staging: hi6421-spmi-pmic: cleanup some macros staging: hi6421-spmi-pmic: change identation of a table staging: hi6421-spmi-pmic: change a return code staging: hi6421-spmi-pmic: better name IRQs staging: hi6421-spmi-pmic: use devm_request_threaded_irq() staging: hisilicon,hi6421-spmi-pmic.yaml: cleanup descriptions spmi: hisi-spmi-controller: move driver from staging phy: phy-hi3670-usb3: move driver from staging into phy staging: rtl8188eu: remove include/rtw_debug.h header staging: rtl8188eu: remove GlobalDebugLevel variable staging: rtl8188eu: remove DRIVER_PREFIX preprocessor definition staging: rtl8188eu: remove RT_TRACE macro staging: rtl8188eu: remove all RT_TRACE calls from hal/rtl8188eu_recv.c staging: rtl8188eu: remove all RT_TRACE calls from hal/hal_intf.c staging: rtl8188eu: remove all RT_TRACE calls from hal/rtl8188eu_xmit.c staging: rtl8188eu: remove all RT_TRACE calls from core/rtw_xmit.c staging: rtl8188eu: remove all RT_TRACE calls from core/rtw_pwrctrl.c staging: rtl8188eu: remove all RT_TRACE calls from core/rtw_recv.c staging: rtl8188eu: remove all RT_TRACE calls from core/rtw_ioctl_set.c staging: rtl8188eu: remove all RT_TRACE calls from core/rtw_ieee80211.c ...
2021-06-15MIPS: ralink: Define PCI_IOBASESergio Paracuellos
PCI_IOBASE is used to create VM maps for PCI I/O ports, it is required by generic PCI drivers to make memory mapped I/O range work. Hence define it for ralink architectures to be able to avoid parsing manually IO ranges in PCI generic driver code. Function 'plat_mem_setup' for ralink is using 'set_io_port_base' call using '0xa0000000' as address, so use the same address in the definition to align things. Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Link: https://lore.kernel.org/r/20210614100617.28753-2-sergio.paracuellos@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-06-07pinctrl: ralink: move RT288X SoC pinmux config into a new 'pinctrl-rt288x.c' ↵Sergio Paracuellos
file Move all related code for SoC RT288X into a new driver located in 'pinctrl-rt288x.c' source file. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Link: https://lore.kernel.org/r/20210604115159.8834-7-sergio.paracuellos@gmail.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2021-06-07pinctrl: ralink: move MT7620 SoC pinmux config into a new 'pinctrl-mt7620.c' ↵Sergio Paracuellos
file Move all related code for SoC MT7620 into a new driver located in 'pinctrl-mt7620.c' source file. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Link: https://lore.kernel.org/r/20210604115159.8834-6-sergio.paracuellos@gmail.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2021-06-07pinctrl: ralink: move RT305X SoC pinmux config into a new 'pinctrl-rt305x.c' ↵Sergio Paracuellos
file Move all related code for SoC RT305X into a new driver located in 'pinctrl-rt305x.c' source file. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Link: https://lore.kernel.org/r/20210604115159.8834-5-sergio.paracuellos@gmail.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2021-06-07pinctrl: ralink: move RT3883 SoC pinmux config into a new 'pinctrl-rt3883.c' ↵Sergio Paracuellos
file Move all related code for SoC RT3883 into a new driver located in 'pinctrl-rt3883.c' source file Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Link: https://lore.kernel.org/r/20210604115159.8834-4-sergio.paracuellos@gmail.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2021-06-07pinctrl: ralink: move ralink architecture pinmux header into the driverSergio Paracuellos
Ralink architecture is making use of the header located in 'arch/mips/include/asm/mach-ralink/pinmux.h' to stablish the mechanisms to make derived SoCs to set its pin functions and groups. In order to move all architecture pinmux into a more accurate place which is 'drivers/pinctrl/ralink' we have to first of all move this file also there with a small modification which creates 'rt2880_pinmux_init' function to allow SoCs pinctrl drivers to pass its configuration to the common code located in 'pinctrl-rt2880.c' file. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Link: https://lore.kernel.org/r/20210604115159.8834-2-sergio.paracuellos@gmail.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2021-03-29MIPS: ralink: mt7621: add memory detection supportChuanhong Guo
mt7621 has the following memory map: 0x0-0x1c000000: lower 448m memory 0x1c000000-0x2000000: peripheral registers 0x20000000-0x2400000: higher 64m memory detect_memory_region in arch/mips/kernel/setup.c only adds the first memory region and isn't suitable for 512m memory detection because it may accidentally read the memory area for peripheral registers. This commit adds memory detection capability for mt7621: 1. Add the highmem area when 512m is detected. 2. Guard memcmp from accessing peripheral registers: This only happens when a user decided to change kernel load address to 256m or higher address. Since this is a quite unusual case, we just skip 512m testing and return 256m as memory size. Signed-off-by: Chuanhong Guo <gch981213@gmail.com> [Minor commit message reword, make mt7621_memory_detect static] Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2020-04-19MIPS: remove cpu_has_64bit_addressesChristoph Hellwig
This macro is identical to CONFIG_64BIT, and using a Kconfig variable for the only places that checks them (the ioremap implementation) will simplify later patches in this series. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2020-04-14MIPS: Kill MIPS_GIC_IRQ_BASEJiaxun Yang
It never got used by any driver. Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2020-03-19MIPS: Add header files reference with path prefixbibo mao
There are some common header files which are referenced locally with #includenext method, includenext is tricky method and only used on mips platform. This patech removes includenext method, replace it with defailed pathname prefix for header files. This patch passes to compile on all mips platform with defconfig, and is verified on my loongson64 box. Changes: -------- v2: - Fix compiling issue on malta platform Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: bibo mao <maobibo@loongson.cn> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2019-07-17Merge tag 'mips_5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linuxLinus Torvalds
Pull MIPS updates from Paul Burton: "A light batch this time around but significant improvements for certain systems: - Removal of readq & writeq for MIPS32 kernels where they would simply BUG() anyway, allowing drivers or other code that #ifdefs on their presence to work properly. - Improvements for Ingenic JZ4740 systems, including support for the external memory controller & pinmuxing fixes for qi_lb60/NanoNote systems. - Improvements for Lantiq systems, in particular around SMP & IPIs. - DT updates for ralink/MediaTek MT7628a systems to probe & configure a bunch more devices. - Miscellaneous cleanups & build fixes" * tag 'mips_5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (30 commits) MIPS: fix some more fall through errors in arch/mips MIPS: perf events: handle switch statement falling through warnings mips/kprobes: Export kprobe_fault_handler() MAINTAINERS: Add myself as Ingenic SoCs maintainer MIPS: ralink: mt7628a.dtsi: Add watchdog controller DT node MIPS: ralink: mt7628a.dtsi: Add SPI controller DT node MIPS: ralink: mt7628a.dtsi: Add GPIO controller DT node MIPS: ralink: mt7628a.dtsi: Add pinctrl DT properties to the UART nodes MIPS: ralink: mt7628a.dtsi: Add pinmux DT node MIPS: ralink: mt7628a.dtsi: Add SPDX GPL-2.0 license identifier MIPS: lantiq: Add SMP support for lantiq interrupt controller MIPS: lantiq: Shorten register names, remove unused macros MIPS: lantiq: Fix bitfield masking MIPS: lantiq: Remove unused macros MIPS: lantiq: Fix attributes of of_device_id structure MIPS: lantiq: Change variables to the same type as the source MIPS: lantiq: Move macro directly to iomem function mips: Remove q-accessors from non-64bit platforms FDDI: defza: Include linux/io-64-nonatomic-lo-hi.h MIPS: configs: Remove useless UEVENT_HELPER_PATH ...
2019-06-19treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500Thomas Gleixner
Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-11MIPS: ralink: Switch pinmux.h to SPDX headerLubomir Rintel
The original license text had a typo ("publishhed") which would be likely to confuse automated licensing auditing tools. Let's just switch to SPDX instead of fixing the wording. Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: James Hogan <jhogan@kernel.org> Cc: linux-mips@vger.kernel.org Cc: linux-kernel@vger.kernel.org
2019-06-05treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 332Thomas Gleixner
Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as publishhed by the free software foundation extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 48 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190530000436.292339952@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-02License cleanup: add SPDX GPL-2.0 license identifier to files with no licenseGreg Kroah-Hartman
Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license. By default all files without license information are under the default license of the kernel, which is GPL version 2. Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. How this work was done: Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information, Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords. The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files. The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation. Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines). All documentation files were explicitly excluded. The following heuristics were used to determine which SPDX license identifiers to apply. - when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied. For non */uapi/* files that summary was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139 and resulted in the first patch in this series. If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930 and resulted in the second patch in this series. - if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary: SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1 and that resulted in the third patch in this series. - when the two scanners agreed on the detected license(s), that became the concluded license(s). - when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred. - In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics). - When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation. - If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time. In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation. Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related. Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files. In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier. Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified. These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-07-18MIPS: ralink: Fix build error due to missing headerHarvey Hunt
Previously, <linux/module.h> was included before ralink_regs.h in all ralink files - leading to <linux/io.h> being implicitly included. After commit 26dd3e4ff9ac ("MIPS: Audit and remove any unnecessary uses of module.h") removed the inclusion of module.h from multiple places, some ralink platforms failed to build with the following error: In file included from arch/mips/ralink/mt7620.c:17:0: ./arch/mips/include/asm/mach-ralink/ralink_regs.h: In function ‘rt_sysc_w32’: ./arch/mips/include/asm/mach-ralink/ralink_regs.h:38:2: error: implicit declaration of function ‘__raw_writel’ [-Werror=implicit-function-declaration] __raw_writel(val, rt_sysc_membase + reg); ^ ./arch/mips/include/asm/mach-ralink/ralink_regs.h: In function ‘rt_sysc_r32’: ./arch/mips/include/asm/mach-ralink/ralink_regs.h:43:2: error: implicit declaration of function ‘__raw_readl’ [-Werror=implicit-function-declaration] return __raw_readl(rt_sysc_membase + reg); Fix this by including <linux/io.h>. Signed-off-by: Harvey Hunt <harvey.hunt@imgtec.com> Fixes: 26dd3e4ff9ac ("MIPS: Audit and remove any unnecessary uses of module.h") Cc: John Crispin <john@phrozen.org> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: <stable@vger.kernel.org> #4.11+ Patchwork: https://patchwork.linux-mips.org/patch/16780/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-01-03MIPS: ralink: Add missing pinmux.John Crispin
The mt7620 has a pin that can be used to generate an external reference clock. The pinmux setup was missing the definition of said pin. This patch adds it. Signed-off-by: John Crispin <john@phrozen.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14898/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-05-13mips: mt7620: fallback to SDRAM when syscfg0 does not have a valid value for ↵Sashka Nochkin
the memory type Mediatek MT7620 SoC has syscfg0 bits where it sets the type of memory being used. However, sometimes those bits are not set properly (reading "11"). In this case, the SoC assumes SDRAM. The patch below reflects that. Signed-off-by: Sashka Nochkin <linux-mips@durdom.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/13135/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-05-13MIPS: Change my email addressJohn Crispin
The old address is no longer valid. Use the my new one instead. Signed-off-by: John Crispin <john@phrozen.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/13201/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-01-20MIPS: ralink: add MT7621 supportJohn Crispin
MT7621 is based on a 1004k core. This patch adds support for the SoC. The timer and IRQ is just boiler plate as GIC has recently been moved to generic places in the kernel and just works. Signed-off-by: John Crispin <blogic@openwrt.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/11990/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-11-11MIPS: ralink: Unify SoC id handlingJohn Crispin
This makes detection a lot easier for audio, wifi, ... drivers. Signed-off-by: John Crispin <blogic@openwrt.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/11440/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-11-11MIPS: ralink: Add support for mt7688John Crispin
MT7688 is similar tot he MT7628 but has a different wifi radio. Signed-off-by: John Crispin <blogic@openwrt.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/11439/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-03-31MIPS: Create a common <asm/mach-generic/war.h>Kevin Cernekee
11 platforms require at least one of these workarounds to be enabled; 22 platforms do not. In the latter case we can fall back to a generic version. Note that this also deletes an orphaned reference to RM9000_CDEX_SMP_WAR. Suggested-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Kevin Cernekee <cernekee@gmail.com> Signed-off-by: Andrew Bresticker <abrestic@chromium.org> Reviewed-by: James Hogan <james.hogan@imgtec.com> Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: Ezequiel Garcia <ezequiel.garcia@imgtec.com> Cc: James Hartley <james.hartley@imgtec.com> Cc: James Hogan <james.hogan@imgtec.com> Patchwork: https://patchwork.linux-mips.org/patch/9567/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-11-24MIPS: ralink: add mt7628an supportJohn Crispin
Signed-off-by: John Crispin <blogic@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/8031/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-11-24MIPS: ralink: add support for MT7620nJohn Crispin
This is the small version of MT7620a. Signed-off-by: John Crispin <blogic@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/8030/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-11-24MIPS: ralink: cleanup the soc specific pinmux dataJohn Crispin
Before we had a pinctrl driver we used a custom OF api. This patch converts the soc specific pinmux data to a new set of structs. We also add some new pinmux setings. Signed-off-by: John Crispin <blogic@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/8009/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-11-24MIPS: ralink: add rt_sysc_m32 helperJohn Crispin
We already have a read and write wrapper. This adds the missing mask wrapper. Signed-off-by: John Crispin <blogic@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/8001/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-11-24MIPS: ralink: add a helper for reading the ECO versionJohn Crispin
Signed-off-by: John Crispin <blogic@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/8000/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-05-23MIPS: Ralink: Remove surviving RM9000 bits.Ralf Baechle
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-09-04MIPS: ralink: mt7620: Add cpu-feature-override headerGabor Juhos
Override certain CPU features to help GCC to optimize the generated code. Saves about 150KB in the vmlinux image with a generic configuration. text data bss dec hex filename 3824158 134820 234192 4193170 3ffb92 vmlinux.no-override 3664054 138804 234192 4037050 3d99ba vmlinux.override Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5759/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-09-04MIPS: ralink: mt7620: Improve clock frequency detectionGabor Juhos
The current code assumes that the peripheral clock always runs at 40MHz which is not true in all configuration. The peripheral clock can also use the reference clock instead of the fixed 40MHz rate. If the reference clock runs at a different rate, various peripheries are behaving incorrectly. Additionally, the currectly calculated system clock is also wrong. The actual value what the code computes is the rate of the DRAM which can be different from the system clock. Add new helper functions to get the rate of the different clocks and use the correct values for the registered clock devices. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5755/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-08MIPS: ralink: add memory definition for MT7620John Crispin
Populate struct soc_info with the data that describes our RAM window. Signed-off-by: John Crispin <blogic@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/5183/
2013-05-08MIPS: ralink: add memory definition for RT3883John Crispin
Populate struct soc_info with the data that describes our RAM window. Signed-off-by: John Crispin <blogic@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/5182/
2013-05-08MIPS: ralink: add memory definition for RT2880John Crispin
Populate struct soc_info with the data that describes our RAM window. Signed-off-by: John Crispin <blogic@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/5181/
generated by cgit (git 2.34.1) at 2024-06-18 07:13:12 +0000