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2023-10-06m68k: sun3/3x: Add and use "sun3.h"Geert Uytterhoeven
When building with W=1: arch/m68k/sun3/idprom.c:86:6: warning: no previous prototype for ‘sun3_get_model’ [-Wmissing-prototypes] 86 | void sun3_get_model(char *model) | ^~~~~~~~~~~~~~ arch/m68k/sun3/config.c:53:24: warning: no previous prototype for ‘sun3_init’ [-Wmissing-prototypes] 53 | asmlinkage void __init sun3_init(void) | ^~~~~~~~~ arch/m68k/sun3/mmu_emu.c:117:6: warning: no previous prototype for ‘print_pte_vaddr’ [-Wmissing-prototypes] 117 | void print_pte_vaddr (unsigned long vaddr) | ^~~~~~~~~~~~~~~ arch/m68k/sun3/mmu_emu.c:126:13: warning: no previous prototype for ‘mmu_emu_init’ [-Wmissing-prototypes] 126 | void __init mmu_emu_init(unsigned long bootmem_end) | ^~~~~~~~~~~~ arch/m68k/sun3/mmu_emu.c:353:5: warning: no previous prototype for ‘mmu_emu_handle_fault’ [-Wmissing-prototypes] 353 | int mmu_emu_handle_fault (unsigned long vaddr, int read_flag, int kernel_fault) | ^~~~~~~~~~~~~~~~~~~~ arch/m68k/sun3/leds.c:6:6: warning: no previous prototype for ‘sun3_leds’ [-Wmissing-prototypes] 6 | void sun3_leds(unsigned char byte) | ^~~~~~~~~ arch/m68k/sun3/intersil.c:27:5: warning: no previous prototype for ‘sun3_hwclk’ [-Wmissing-prototypes] 27 | int sun3_hwclk(int set, struct rtc_time *t) | ^~~~~~~~~~ arch/m68k/sun3x/config.c:30:6: warning: no previous prototype for ‘sun3_leds’ [-Wmissing-prototypes] 30 | void sun3_leds(unsigned char byte) | ^~~~~~~~~ Fix this by introducing a new header file "sun3.h" for holding the prototypes of functions implemented in arch/m68k/sun3/ and arch/m68k/sun3x/. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/87856ef9ef8955f459fb691faca921c0a688bc80.1694613528.git.geert@linux-m68k.org
2023-10-06m68k: sun3: Make sun3_platform_init() staticGeert Uytterhoeven
When building with W=1: arch/m68k/sun3/config.c:201:12: warning: no previous prototype for ‘sun3_platform_init’ [-Wmissing-prototypes] 202 | int __init sun3_platform_init(void) | ^~~~~~~~~~~~~~~~~~ Fix this by making sun3_platform_init() static. There was never a user outside arch/m68k/sun3/config.c. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/f35e6376d01b11f21f677cb980093e8410d2c33b.1694613528.git.geert@linux-m68k.org
2023-10-06m68k: sun3: Remove unused start_page in sun3_bootmem_alloc()Geert Uytterhoeven
When building with W=1: arch/m68k/sun3/config.c: In function ‘sun3_bootmem_alloc’: arch/m68k/sun3/config.c:110:23: warning: variable ‘start_page’ set but not used [-Wunused-but-set-variable] 112 | unsigned long start_page; | ^~~~~~~~~~ Fix this by removing the variable and the assignment, now the last user is gone. Fixes: 1008a11590b966b4 ("m68k: switch to MEMBLOCK + NO_BOOTMEM") Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/361c4562350c8739f6c0da34f7c416b2678fae7c.1694613528.git.geert@linux-m68k.org
2023-10-06m68k: sun3: Add missing asmlinkage to sun3_init()Geert Uytterhoeven
sun3_init() is called from assembly code, so it should be marked asmlinkage for documentation purposes. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/9a174020de2c55e108be9bd25fcdec3e48d655c4.1694613528.git.geert@linux-m68k.org
2023-10-06m68k: sun3/3x: Include <asm/config.h> for config_sun3*()Geert Uytterhoeven
When building with W=1: arch/m68k/sun3/config.c:123:13: warning: no previous prototype for ‘config_sun3’ [-Wmissing-prototypes] 126 | void __init config_sun3(void) | ^~~~~~~~~~~ arch/m68k/sun3x/config.c:42:13: warning: no previous prototype for ‘config_sun3x’ [-Wmissing-prototypes] 42 | void __init config_sun3x(void) | ^~~~~~~~~~~~ Fix this by including <asm/config.h> Fixes: 91d7b75a5888c182 ("m68k: Add asm/config.h") Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/b9178e864d6c5e06c177d53bc4cce6d689f94d78.1694613528.git.geert@linux-m68k.org
2021-09-24m68k: Remove set_fs()Christoph Hellwig
Add a m68k-only set_fc helper to set the SFC and DFC registers for the few places that need to override it for special MM operations, but disconnect that from the deprecated kernel-wide set_fs() API. Note that the SFC/DFC registers are context switched, so there is no need to disable preemption. Partially based on an earlier patch from Linus Torvalds <torvalds@linux-foundation.org>. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Michael Schmitz <schmitzmic@gmail.com> Tested-by: Michael Schmitz <schmitzmic@gmail.com> Link: https://lore.kernel.org/r/20210916070405.52750-7-hch@lst.de Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2020-10-30m68k: remove timer_interrupt() functionArnd Bergmann
This gets passed to a number of init functions, but is ignored everywhere, so remove the function and change the mach_sched_init callback to take no arguments. Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-06-09mm: don't include asm/pgtable.h if linux/mm.h is already includedMike Rapoport
Patch series "mm: consolidate definitions of page table accessors", v2. The low level page table accessors (pXY_index(), pXY_offset()) are duplicated across all architectures and sometimes more than once. For instance, we have 31 definition of pgd_offset() for 25 supported architectures. Most of these definitions are actually identical and typically it boils down to, e.g. static inline unsigned long pmd_index(unsigned long address) { return (address >> PMD_SHIFT) & (PTRS_PER_PMD - 1); } static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address) { return (pmd_t *)pud_page_vaddr(*pud) + pmd_index(address); } These definitions can be shared among 90% of the arches provided XYZ_SHIFT, PTRS_PER_XYZ and xyz_page_vaddr() are defined. For architectures that really need a custom version there is always possibility to override the generic version with the usual ifdefs magic. These patches introduce include/linux/pgtable.h that replaces include/asm-generic/pgtable.h and add the definitions of the page table accessors to the new header. This patch (of 12): The linux/mm.h header includes <asm/pgtable.h> to allow inlining of the functions involving page table manipulations, e.g. pte_alloc() and pmd_alloc(). So, there is no point to explicitly include <asm/pgtable.h> in the files that include <linux/mm.h>. The include statements in such cases are remove with a simple loop: for f in $(git grep -l "include <linux/mm.h>") ; do sed -i -e '/include <asm\/pgtable.h>/ d' $f done Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Cain <bcain@codeaurora.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Chris Zankel <chris@zankel.net> Cc: "David S. Miller" <davem@davemloft.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greentime Hu <green.hu@gmail.com> Cc: Greg Ungerer <gerg@linux-m68k.org> Cc: Guan Xuetao <gxt@pku.edu.cn> Cc: Guo Ren <guoren@kernel.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Helge Deller <deller@gmx.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Ley Foon Tan <ley.foon.tan@intel.com> Cc: Mark Salter <msalter@redhat.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Matt Turner <mattst88@gmail.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Simek <monstr@monstr.eu> Cc: Mike Rapoport <rppt@kernel.org> Cc: Nick Hu <nickhu@andestech.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Richard Weinberger <richard@nod.at> Cc: Rich Felker <dalias@libc.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Stafford Horne <shorne@gmail.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Vincent Chen <deanbo422@gmail.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Will Deacon <will@kernel.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Link: http://lkml.kernel.org/r/20200514170327.31389-1-rppt@kernel.org Link: http://lkml.kernel.org/r/20200514170327.31389-2-rppt@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-03-25m68k: apollo, q40, sun3, sun3x: Remove arch_gettimeoffset implementationsFinn Thain
These dummy implementations are no better than default_arch_gettimeoffset() so remove them. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2018-10-31mm: remove include/linux/bootmem.hMike Rapoport
Move remaining definitions and declarations from include/linux/bootmem.h into include/linux/memblock.h and remove the redundant header. The includes were replaced with the semantic patch below and then semi-automated removal of duplicated '#include <linux/memblock.h> @@ @@ - #include <linux/bootmem.h> + #include <linux/memblock.h> [sfr@canb.auug.org.au: dma-direct: fix up for the removal of linux/bootmem.h] Link: http://lkml.kernel.org/r/20181002185342.133d1680@canb.auug.org.au [sfr@canb.auug.org.au: powerpc: fix up for removal of linux/bootmem.h] Link: http://lkml.kernel.org/r/20181005161406.73ef8727@canb.auug.org.au [sfr@canb.auug.org.au: x86/kaslr, ACPI/NUMA: fix for linux/bootmem.h removal] Link: http://lkml.kernel.org/r/20181008190341.5e396491@canb.auug.org.au Link: http://lkml.kernel.org/r/1536927045-23536-30-git-send-email-rppt@linux.vnet.ibm.com Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Chris Zankel <chris@zankel.net> Cc: "David S. Miller" <davem@davemloft.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greentime Hu <green.hu@gmail.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Guan Xuetao <gxt@pku.edu.cn> Cc: Ingo Molnar <mingo@redhat.com> Cc: "James E.J. Bottomley" <jejb@parisc-linux.org> Cc: Jonas Bonn <jonas@southpole.se> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Ley Foon Tan <lftan@altera.com> Cc: Mark Salter <msalter@redhat.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Matt Turner <mattst88@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Simek <monstr@monstr.eu> Cc: Palmer Dabbelt <palmer@sifive.com> Cc: Paul Burton <paul.burton@mips.com> Cc: Richard Kuo <rkuo@codeaurora.org> Cc: Richard Weinberger <richard@nod.at> Cc: Rich Felker <dalias@libc.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Serge Semin <fancer.lancer@gmail.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-07-29m68k: switch to MEMBLOCK + NO_BOOTMEMMike Rapoport
In m68k the physical memory is described by [memory_start, memory_end] for !MMU variant and by m68k_memory array of memory ranges for the MMU version. This information is directly use to register the physical memory with memblock. The reserve_bootmem() calls are replaced with memblock_reserve() and the bootmap bitmap allocation is simply dropped. Since the MMU variant creates early mappings only for the small part of the memory we force bottom-up allocations in memblock. Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com> Acked-by: Greg Ungerer <gerg@linux-m68k.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2017-02-12m68k/sun3: Modernize printing of kernel messagesGeert Uytterhoeven
- Convert from printk() to pr_*(), - Add missing continuations, - Do not print nonexistent len variable, - Add missing sysname[] variable, - Correct printf()-style format specifiers. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2016-06-04char/genrtc: remove m68k supportArnd Bergmann
The asm/rtc.h header is only used for the old gen_rtc driver that has been replaced by rtc-generic. According to Geert Uytterhoeven, nobody has used the old driver on m68k for a long time, so we can now just remove the header file and disallow the driver in Kconfig. All files that used to include asm/rtc.h are now changed so they include the headers that were used implicitly through asm/rtc.h. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2016-01-12Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k Pull m68k updates from Geert Uytterhoeven. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: m68k: Provide __phys_to_pfn() and __pfn_to_phys() m68k/atari, m68k/sun3: Fix SCSI platform device registration when driver is modular m68k/defconfig: Update defconfigs for v4.4-rc1 m68k/mac: Kill psc_present
2016-01-10m68k/atari, m68k/sun3: Fix SCSI platform device registration when driver is ↵Finn Thain
modular Fixes: 3ff228af84b5 ("atari_scsi: Convert to platform device") Fixes: 0d31f8759109 ("sun3_scsi: Convert to platform device") Reported-by: Michael Schmitz <schmitzmic@gmail.com> Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2015-11-22m68k/mm: sun3 - Add missing initialization of max_pfn and {min,max}_low_pfnGeert Uytterhoeven
If max_pfn is not initialized, the various /proc/kpage* files are empty, and selftests/vm/mlock2-tests will fail. max_pfn is also used by the block layer to calculate DMA masks. Switch from init_bootmem_node() to init_bootmem(), as there's only one memory node on Sun-3. This will initialize min_low_pfn and max_low_pfn, which was also not done before. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Greg Ungerer <gerg@uclinux.org>
2014-11-20sun3_scsi: Convert to platform deviceFinn Thain
Convert sun3_scsi to platform device and eliminate scsi_register(). Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Reviewed-by: Hannes Reinecke <hare@suse.de> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Christoph Hellwig <hch@lst.de>
2012-12-24m68k: set arch_gettimeoffset directlyStephen Warren
remove m68k's mach_gettimeoffset function pointer, and instead directly set the arch_gettimeoffset function pointer. This requires multiplying all function results by 1000, since the removed m68k_gettimeoffset() did this. Also, s/unsigned long/u32/ just to make the function prototypes exactly match that of arch_gettimeoffset. Cc: Joshua Thompson <funaho@jurai.org> Cc: Sam Creasey <sammy@sammy.net> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Phil Blundell <philb@gnu.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2009-01-12m68k: Kill several external declarations in source filesGeert Uytterhoeven
- Replace external declarations by proper includes where availiable. The accesses to some symbols had to be modified, as before they were declared using e.g. "extern int _end", while asm-generic/sections.h uses e.g. "extern char _end[]" - Remove unused or superfluous external declarations Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2008-10-23proc: move /proc/hardware to m68k-specific codeAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
2008-07-20m68k/sun3/: possible cleanupsAdrian Bunk
This patch contains the following possible cleanups: - make the following needlessly global code static: - config.c: sun3_bootmem_alloc() - config.c: sun3_sched_init() - dvma.c: dvma_page() - idprom.c: struct Sun_Machines[] - mmu_emu.c: struct ctx_alloc[] - sun3dvma.c: iommu_use[] - sun3ints.c: led_pattern[] - remove the unused sbus.c Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-31m68k: discontinuous memory supportRoman Zippel
Fix support for discontinuous memory Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2006-10-09IRQ: Use the new typedef for interrupt handler function pointersDavid Howells
Use the new typedef for interrupt handler function pointers rather than actually spelling out the full thing each time. This was scripted with the following small shell script: #!/bin/sh egrep -nHrl -e 'irqreturn_t[ ]*[(][*]' $* | while read i do echo $i perl -pi -e 's/irqreturn_t\s*[(]\s*[*]\s*([_a-zA-Z0-9]*)\s*[)]\s*[(]\s*int\s*,\s*void\s*[*]\s*[)]/irq_handler_t \1/g' $i || exit $? done Signed-Off-By: David Howells <dhowells@redhat.com>
2006-10-08[PATCH] m68k pt_regs fixes, part 2Al Viro
Fallout from previous patch: - actually add include/asm-m68k/irq_regs.h - missed the prototype of sun3_sched_init() NB: git diff without argumentgs sucks when you've added some files... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-07[PATCH] m68k pt_regs fixesAl Viro
m68k_handle_int() split in two functions: __m68k_handle_int() takes pt_regs * and does set_irq_regs(); m68k_handle_int() doesn't get pt_regs *. Places where we used to call m68k_handle_int() recursively with the same pt_regs have simply lost the second argument, the rest is switched to __m68k_handle_int(). The rest of patch is just dropping pt_regs * where needed. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-30Remove obsolete #include <linux/config.h>Jörn Engel
Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-06-25[PATCH] m68k: convert sun3 irq codeRoman Zippel
Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: Moved initialisation of conswitchp from subarches to global ↵Al Viro
arch setup Signed-off-by: Kars de Jong <jongk@linux-m68k.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-04-16Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!