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2008-04-17Generic semaphore implementationMatthew Wilcox5-152/+2
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 Morton2-0/+2
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 Morton1-0/+1
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 Lauss2-2/+0
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 Bunk4-0/+4
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 Shimoda1-1/+1
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 Bunk1-3/+0
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 Mundt6-0/+6
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-Huu1-2/+6
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. Day1-1/+1
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 Mundt1-2/+2
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 Mundt1-0/+1
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-03-13sh: Fix up the address error exception handler for SH-2.Kieran Bingham1-1/+0
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 Mundt1-14/+7
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-03-06sh: Fix up SH7710 VoIP-GW build.Paul Mundt6-449/+250
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 Mundt1-1/+1
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 Mundt1-25/+66
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 Mundt1-0/+2
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-03-06sh: Fix up section mismatches.Paul Mundt2-2/+2
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-03-06sh: hp6xx: Correct APM output.Kristoffer Ericson1-6/+14
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.yusuke1-391/+255
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 Harrison13-17/+17
__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 Morton2-0/+2
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 Bunk1-2/+2
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 Bunk1-0/+1
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 Lawall1-1/+1
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 Mundt18-18/+18
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 Damm1-22/+22
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 Zurita1-3/+3
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 Kluin1-1/+1
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 Klauser1-2/+2
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 Mundt1-0/+1
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 Mundt1-2/+2
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 Saito1-0/+8
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 Damm1-1/+2
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 Damm6-37/+37
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 Mundt5-40/+17
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 Mundt1-0/+2
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 Mundt2-643/+439
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 Mundt1-7/+0
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 Mundt3-19/+18
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14sh: Update SH-5 flush_cache_sigtramp() for API changes.Paul Mundt1-3/+5
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 Mundt1-0/+1
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 Mundt1-0/+5
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14sh: Clean up whitespace damage in Kconfig.debug.Paul Mundt1-2/+2
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14sh: Use max_t in io_trapped.Paul Mundt1-3/+5
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14sh: add support for sh7366 processorMagnus Damm7-3/+203
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 Damm3-97/+0
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 Damm1-2/+2
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 Damm2-31/+17
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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