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2008-04-17Generic semaphore implementationMatthew Wilcox
Semaphores are no longer performance-critical, so a generic C implementation is better for maintainability, debuggability and extensibility. Thanks to Peter Zijlstra for fixing the lockdep warning. Thanks to Harvey Harrison for pointing out that the unlikely() was unnecessary. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Acked-by: Ingo Molnar <mingo@elte.hu>
2008-04-16sh: export empty_zero_pageAndrew Morton
ERROR: "empty_zero_page" [fs/ext4/ext4dev.ko] undefined! Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-16sh: arch/sh/kernel/traps_32.c needs asm/fpu.hAndrew Morton
arch/sh/kernel/traps_32.c: In function `do_reserved_inst': arch/sh/kernel/traps_32.c:667: error: implicit declaration of function `do_fpu_inst' Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-16sh: fix compressed kernel buildManuel Lauss
commit 54a015104136974262afa4b8ddd943ea70dec8a2 broke zImage build on sh arch: LD vmlinux SYSMAP System.map SYSMAP .tmp_System.map AS arch/sh/boot/compressed/head_32.o In file included from /k/arch/sh/boot/compressed/head_32.S:11: /k/include/linux/linkage.h:34: error: syntax error in macro parameter list Fix it for both sh and sh64. Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-16sh64: add missing #include <asm/fpu.h>'sAdrian Bunk
This patch fixes some compile errors due to missing save_fpu() prototypes on sh64 caused by commit 9bbafce2eec190ef7e44b0eb1095ba17ce6ad3af (sh: Fix occasional FPU register corruption under preempt). Signed-off-by: Adrian Bunk <adrian.bunk@movial.fi> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-03-31sh: Fix up uImage compression typeYoshihiro Shimoda
Fix up uImage compression type. Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-03-31remove include/asm-sh/floppy.hAdrian Bunk
This patch removes the unused include/asm-sh/floppy.h (ARCH_MAY_HAVE_PC_FDC was not enabled). Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-03-26sh: Fix occasional FPU register corruption under preempt.Paul Mundt
Presently with preempt enabled there's the possibility to be preempted after the TIF_USEDFPU test and the register save, leading to bogus state post-__switch_to(). Use an explicit preempt_disable()/enable() pair around unlazy_fpu()/clear_fpu() to avoid this. Follows the x86 change. Reported-by: Takuo Koguchi <takuo.koguchi.sw@hitachi.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-03-21sh: Use relative paths for mach/cpu symlinks.Franck Bui-Huu
When building the kernel without passing the O= command line parameter there's no point to use absolute paths for them. Usually relative paths are preferred because they survive directory moves, work across networked file systems and chrooted environments. Absolute paths are still used if an output directory is given. Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-03-21SH: Use newer, non-deprecated __SPIN_LOCK_UNLOCKED macro.Robert P. J. Day
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-03-14sh: Fix uImage build error.Paul Mundt
The printf string was broken in the same way the zImage one was before, though the uImage managed to avoid getting fixed at that time. Do so now. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-03-13sh: Fix up the timer IRQ definition for SH7203.Paul Mundt
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-03-13sh: Fix up the address error exception handler for SH-2.Kieran Bingham
Presently the SH-2/SH-2A address error exception dispatch copies off the register state from the stack and skips over the first register, skewing the rest. Fix up the math here so that the proper register state is handed down to the exception handler itself. Signed-off-by: Kieran Bingham <kbingham@mpc-data.co.uk> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-03-06sh: Fix up the sh64 build.Paul Mundt
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-03-06sh: Fix up SH7710 VoIP-GW build.Paul Mundt
The only board-specific bits that existed here were for setting up the IRQs, which are now handled by the SH7710 CPU support code instead. As there's nothing else to do for setup, kill off the board support code and have the defconfig use the generic machvec instead. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-03-06sh: Flag PMB support as EXPERIMENTAL.Paul Mundt
There's still work that needs to be done here, and this should not be enabled by default on existing boards. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-03-06sh: Update r7780mp defconfig.Paul Mundt
This disables the PMB/32BIT=y by default in r7780mp, as turning this on presently results in build errors (for an admittedly experimental feature). Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-03-06sh: hp6xx: Fix up hp6xx_apm build failure.Paul Mundt
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-03-06sh: Fix up section mismatches.Paul Mundt
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-03-06sh: hp6xx: Correct APM output.Kristoffer Ericson
This patch fixes the old non-verbose hp6xx apm code and enables some very basic apm output. We now get percentage (battery) output and basic time estimate. Signed-off-by: Kristoffer Ericson <kristoffer.ericson@gmail.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-03-06sh: update se7780 defconfiggoda.yusuke
This patch updates se7780_defconfig Signed-off-by: Yusuke Goda <goda.yusuke@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-03-06sh: replace remaining __FUNCTION__ occurrencesHarvey Harrison
__FUNCTION__ is gcc-specific, use __func__ Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-03-06sh: export copy-page() to modulesAndrew Morton
ERROR: "copy_page" [fs/unionfs/unionfs.ko] undefined! like all the other architectures. Cc: Erez Zadok <ezk@cs.sunysb.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-03-06sh_ksyms_32.c update for gcc 4.3Adrian Bunk
This patch fixes the following build error with landisk_defconfig when using gcc 4.3: <-- snip --> ... MODPOST 50 modules ERROR: "__udivsi3_i4i" [net/sunrpc/sunrpc.ko] undefined! ERROR: "__udivsi3_i4i" [net/appletalk/appletalk.ko] undefined! ERROR: "__udivsi3_i4i" [fs/ufs/ufs.ko] undefined! ERROR: "__udivsi3_i4i" [fs/ntfs/ntfs.ko] undefined! ERROR: "__sdivsi3_i4i" [fs/ntfs/ntfs.ko] undefined! ERROR: "__udivsi3_i4i" [fs/nfsd/nfsd.ko] undefined! ERROR: "__sdivsi3_i4i" [fs/nfsd/nfsd.ko] undefined! ERROR: "__udivsi3_i4i" [fs/nfs/nfs.ko] undefined! ERROR: "__udivsi3_i4i" [fs/lockd/lockd.ko] undefined! ERROR: "__udivsi3_i4i" [drivers/usb/storage/usb-storage.ko] undefined! ERROR: "__sdivsi3_i4i" [drivers/usb/serial/pl2303.ko] undefined! ERROR: "__udivsi3_i4i" [drivers/usb/serial/pl2303.ko] undefined! ERROR: "__sdivsi3_i4i" [drivers/usb/serial/ftdi_sio.ko] undefined! ERROR: "__udivsi3_i4i" [drivers/usb/misc/sisusbvga/sisusbvga.ko] undefined! ERROR: "__sdivsi3_i4i" [drivers/usb/misc/sisusbvga/sisusbvga.ko] undefined! ERROR: "__udivsi3_i4i" [drivers/media/video/v4l1-compat.ko] undefined! ERROR: "__sdivsi3_i4i" [drivers/media/video/v4l1-compat.ko] undefined! ERROR: "__sdivsi3_i4i" [drivers/media/video/usbvideo/vicam.ko] undefined! ERROR: "__udivsi3_i4i" [drivers/media/video/usbvideo/usbvideo.ko] undefined! ERROR: "__sdivsi3_i4i" [drivers/media/video/usbvideo/usbvideo.ko] undefined! ERROR: "__udivsi3_i4i" [drivers/media/video/sn9c102/sn9c102.ko] undefined! ERROR: "__sdivsi3_i4i" [drivers/media/video/sn9c102/sn9c102.ko] undefined! ERROR: "__sdivsi3_i4i" [drivers/media/video/se401.ko] undefined! ERROR: "__sdivsi3_i4i" [drivers/media/video/pwc/pwc.ko] undefined! ERROR: "__udivsi3_i4i" [drivers/md/raid0.ko] undefined! ERROR: "__udivsi3_i4i" [drivers/md/md-mod.ko] undefined! ERROR: "__sdivsi3_i4i" [drivers/md/md-mod.ko] undefined! ERROR: "__udivsi3_i4i" [drivers/md/linear.ko] undefined! ERROR: "__sdivsi3_i4i" [drivers/hid/usbhid/usbhid.ko] undefined! make[2]: *** [__modpost] Error 1 <-- snip --> Signed-off-by: Adrian Bunk <adrian.bunk@movial.fi> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-03-06sh/mm/pg-sh7705.c must #include <linux/fs.h>Adrian Bunk
This patch fixes the following compile error: <-- snip --> ... CC arch/sh/mm/pg-sh7705.o /home/bunk/linux/kernel-2.6/git/linux-2.6/arch/sh/mm/pg-sh7705.c: In function 'ptep_get_and_clear': /home/bunk/linux/kernel-2.6/git/linux-2.6/arch/sh/mm/pg-sh7705.c:130: error: implicit declaration of function 'mapping_writably_mapped' make[2]: *** [arch/sh/mm/pg-sh7705.o] Error 1 <-- snip --> Signed-off-by: Adrian Bunk <adrian.bunk@movial.fi> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-27arch/sh/drivers/dma/dma-sh.c: Correct use of ! and &Julia Lawall
In commit e6bafba5b4765a5a252f1b8d31cbf6d2459da337, a bug was fixed that involved converting !x & y to !(x & y). The code below shows the same pattern, and thus should perhaps be fixed in the same way. This is not tested and clearly changes the semantics, so it is only something to consider. The semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @@ expression E1,E2; @@ ( !E1 & !E2 | - !E1 & E2 + !(E1 & E2) ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-26serial: Move asm-sh/sci.h to linux/serial_sci.h.Paul Mundt
This header is needed on other architectures as well (namely h8300), which currently fails to build without this in place. Rather than duplicating the port definition completely there, just move this to a common location instead. This should get h8300 working again for 2.6.25, in addition to the changes already pushed by Sato-san in -rc2. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-26sh: revert dreamcast pci changeMagnus Damm
Commit e036eaa681a17f71b64f6d9040fe605555623919 broke dreamcast pci, this patch fixes that by reverting the dreamcast specific bits. Signed-off-by: Magnus Damm <damm@igel.co.jp> Acked-by: Adrian McMenamin <adrian@mcmen.demon.co.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-26sh: fix rtc_resources setup for sh770xRafael Ignacio Zurita
Fix the RTC resources setup for sh770x. Whit these proper start values RTC driver (drivers/rtc/rtc-sh.c) works. Signed-off-by: Rafael Ignacio Zurita <rizurita@yahoo.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-26sh: heartbeat: ioremap is expected to succeedRoel Kluin
ioremap is expected to succeed Signed-off-by: Roel Kluin <12o3l@tiscali.nl> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-26sh: Storage class should be before const qualifierTobias Klauser
The C99 specification states in section 6.11.5: The placement of a storage-class specifier other than at the beginning of the declaration specifiers in a declaration is an obsolescent feature. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-25sh: SH5-103 needs to select CPU_SH5.Paul Mundt
Without this, it's possible to have CONFIG_SUPERH32=y set on SH5-103 parts, which leads to much build badness. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-25sh: Rename SH-3 CCR3 reg to avoid synclink_cs clash.Paul Mundt
drivers/char/pcmcia/synclink_cs.c:284:1: warning: "CCR3" redefined In file included from include/asm/cache.h:13, from include/asm/processor_32.h:15, from include/asm/processor.h:60, from include/linux/prefetch.h:14, from include/linux/list.h:8, from include/linux/module.h:9, from drivers/char/pcmcia/synclink_cs.c:38: include/asm/cpu/cache.h:38:1: warning: this is the location of the previous definition Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14sh: Fix multiple UTLB hit on UP SH-4.Hideo Saito
This acts as a reversion of 1c6b2ca5e0939bf8b5d1a11f1646f25189ecd447 in the case of UP SH-4, where we still have the risk of a multiple hit between the slow and fast paths. As seen on SH7780. Signed-off-by: Hideo Saito <saito@densan.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14sh: fix pci io access for r2d boardsMagnus Damm
Use generic_io_base to point out the pci io window, and make sure the highest port address used is SH7751_PCI_IO_SIZE - 1. This patch fixes pci io port access for the r2d boards - CONFIG_8139TOO_PIO now works as expected. So does the alsa driver for CMI8738. Signed-off-by: Magnus Damm <damm@igel.co.jp> Acked-by: Katsuya MATSUBARA <matsu@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14sh: use ctrl_in/out for on chip pci accessMagnus Damm
This patch makes sure ctrl_inN/outN are used instead of inN/outN for on chip pci registers. Without this patch addresses may be adjusted using the value in generic_io_base. This patch makes it possible to set generic_io_base and have pci without reading and writing all over the place. Signed-off-by: Magnus Damm <damm@igel.co.jp> Acked-by: Katsuya MATSUBARA <matsu@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14sh: Kill off more dead symbols.Paul Mundt
Reported-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14sh: __uncached_start only on sh32.Paul Mundt
sh64 doesn't provide __uncached_start, so don't reference it unconditionally. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14sh: Get SH-5 caches working again post-unification.Paul Mundt
A number of cleanups to get the SH-5 cache management code in line with the rest of the SH backend. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14sh: Kill off bogus SH_SDK7780_STANDALONE symbol.Paul Mundt
Reported-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14sh: Shut up some trivial build warnings.Paul Mundt
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14sh: Update SH-5 flush_cache_sigtramp() for API changes.Paul Mundt
Previously this took an explicit range, update this to use the same behaviour as the rest of the SH parts where we simply flush out a line from the start address. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14sh: Disable big endian for SH-5.Paul Mundt
All SH-5 machines are little endian. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14sh: Symbol exports for trapped I/O.Paul Mundt
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14sh: Clean up whitespace damage in Kconfig.debug.Paul Mundt
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14sh: Use max_t in io_trapped.Paul Mundt
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14sh: add support for sh7366 processorMagnus Damm
This patch adds sh7366 cpu supports. Just the most basic things like interrupt controller, clocks and serial port are included at this point. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14sh: remove maskreg irq codeMagnus Damm
This patch removes the maskreg irq code since it is not in use anymore. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14sh: fix ptrace copy_from/to_user() compilation errorMagnus Damm
This patch makes the 32-bit ptrace code compile again. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14sh: trapped io support for highlander V2Magnus Damm
This patch converts the highlander CF device from good old machvec readb/writeb to the new shiny trapped io. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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