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* sh: remove old broken pint codeMagnus Damm2007-07-24
| | | | | | | | | The code in arch/sh/kernel/cpu/irq/pint.c doesn't compile, so let's get rid of it to make space for a future pint implementation on top of intc. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Reclaim beginning of P3 space for vmalloc area.Paul Mundt2007-07-24
| | | | | | | | The first 1MB of P3 space was reserved and used for page colouring, as we've reworked that to use fixmaps, we can reclaim the space and hand it back to VMALLOC_START. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Fix Dreamcast DMA issues.Adrian McMenamin2007-07-24
| | | | | | | | | | | | | The current SH DMA API is somewhat broken, not correctly matching virtual channel to the correct SH DMAC. This wasn't noticeable when using g2 DMA for the sound driver - one channel 0 is as good as any other! - but caused the pvr2 driver to fail. This patch fixes the pvr2 problem and consequently fixes the sound driver to ensure it continues to function. Signed-off by: Adrian McMenamin <adrian@mcmen.demon.co.uk> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Add kmap_coherent()/kunmap_coherent() interface for SH-4.Paul Mundt2007-07-24
| | | | | | | | | | | | | This wires up kmap_coherent() and kunmap_coherent() on SH-4, and moves away from the p3map_mutex and reserved P3 space, opting to use fixmaps for colouring instead. The copy_user_page()/clear_user_page() implementations are moved to this, which fixes the nasty blowups with spinlock debugging as a result of having some of these calls nested under the page table lock. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* clockevents: fix resume logicThomas Gleixner2007-07-21
| | | | | | | | | | | | | | | | | | | | We need to make sure, that the clockevent devices are resumed, before the tick is resumed. The current resume logic does not guarantee this. Add CLOCK_EVT_MODE_RESUME and call the set mode functions of the clock event devices before resuming the tick / oneshot functionality. Fixup the existing users. Thanks to Nigel Cunningham for tracking down a long standing thinko, which affected the jinxed VAIO. [akpm@linux-foundation.org: xen build fix] Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: john stultz <johnstul@us.ibm.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* sh: intc - add support for SH7750 and its variantsMagnus Damm2007-07-20
| | | | | | | | | | | | | This patch converts the cpu specific 7750 setup code to use the new intc controller. Many new vectors are added and multiple processor variants including 7091, 7750, 7750s, 7750r, 7751 and 7751r should all have the correct vectors hooked up. IRLM interrupts can be enabled using ipr_irq_enable_irlm() which now is marked as __init. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Move entry point code to .text.head.Paul Mundt2007-07-20
| | | | | | | | | | | Follow Al Viro's m68k change from l-k: i.e. tell modpost that entry point code (that has to be outside of .init.text for external reasons) is OK to refer to .init.* Shuts up some section mismatch warnings from modpost. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: heartbeat: Shut up resource size warning.Paul Mundt2007-07-20
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: update r2d defconfig and fix SH7751R pci compliationMagnus Damm2007-07-20
| | | | | | | | | | | | | | | | | | | | | This patch updates the r2d board support in a few ways: - CPU_SUBTYPE_SH7751R is selected in the defconfig to play well with the r2d board Kconfig entry. Without this the defconfig results in no board enabled. - Enable EARLY_PRINTK. - Enable SH_STANDARD_BIOS - this works well for early printk on the r2d board. - Add "earlyprink=bios" to the cmdline for early serial port output by default. - CONFIG_SUBTYPE_SH7751R support is added to the sh-specific pci makefile. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Many symbol exports for nommu allmodconfig.Paul Mundt2007-07-20
| | | | | | | | allmodconfig generates a lot of interesting code, a lot of the generated symbols we've never exported before, so this fixes those up. Verified with both GCC3 and GCC4 toolchains. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: zero terminate 8250 platform data for r2d boardMagnus Damm2007-07-20
| | | | | | | struct plat_serial8250_port should contain a terminating zero entry Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: cpufreq: Fix up the build for SH-2.Paul Mundt2007-07-20
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Make on-chip DMA channel selection explicit.Paul Mundt2007-07-20
| | | | | | | | | | | Currently this has a prompt to allow users to change it. There's no reason to do this, and it has caused breakage and confusion in the past, so remove it entirely. We'll get rid of this when the whole driver is tidied for the driver model. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Fix up CPU dependencies for on-chip DMAC.Paul Mundt2007-07-20
| | | | | | | We only handle SH-3 and SH-4 at present, don't expose it to the other CPUs. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* Merge branch 'clkfwk'Paul Mundt2007-07-20
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| * sh: cpufreq: clock framework support.Paul Mundt2007-07-20
| | | | | | | | | | | | | | | | | | | | | | | | | | This gets the SH cpufreq working again. We follow the changes in the AVR32 implementation for wrapping in to the clock framework. CPUs that wish to use this are required to define rate rounding primitives in order to satisfy clk_round_rate(). This works well enough for the common case, though we should look at unifying this driver across all of the platforms that implement clock framework support in one capacity or another. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Support rate rounding for SH7722 FRQCR clocks.Paul Mundt2007-07-20
| | | | | | | | | | | | | | Now that the round_rate() op is supported, hook it up on SH7722 for the FRQCR (CPU, PCLK, etc.) clocks. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Implement clk_round_rate() in the clock framework.Paul Mundt2007-07-20
| | | | | | | | | | | | | | | | This is an optional component of the clock framework. However, as we're going to be using this in the cpufreq drivers, add support for it to the framework. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* | sh: Fix up PCI section mismatch warnings.Paul Mundt2007-07-20
| | | | | | | | | | | | | | Flag pcibios_setup() and pcibios_fixup_bus() as __devinit. Follows the sh64 change. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* | sh: Wire up fallocate() syscall.Paul Mundt2007-07-19
|/ | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: intc - add support for 7780Magnus Damm2007-07-19
| | | | | | | | | | | | | | | | This patch converts the cpu specific 7780 setup code to use the new intc controller. Many new vectors are added and also support for external interrupt sense configuration. So with this patch it is now possible to configure external interrupt pins as edge or level triggered using set_irq_type(). No external interrupts are registered by default. Use plat_irq_setup_pins() to select between IRQ or IRL mode. This patch also fixes the Alarm IRQ for the RTC. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: intc - improve group supportMagnus Damm2007-07-19
| | | | | | | | | | | | | This patch improves intc group support, ie it makes it possible to group interrupts together and mask / unmask the entire group. This also works with priorities, so setting a priority for an entire group is also possible. This patch is needed to properly support certain processors such as the 7780. Fixes for NULL pointers in DECLARE_INTC_DESC() are also included. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: push-switch: Correct license string.Paul Mundt2007-07-19
| | | | | | | | This was accidentally set as "GPLv2", whereas the kernel expects v2 to be written "GPL v2", this caused complaints regarding the use of the platform device APIs when built as a module. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: cpufreq: Fix driver dependencies and flag as broken.Paul Mundt2007-07-19
| | | | | | | | This is only supported on SH-4, so don't expose it for the other CPUs. Additionally, it's suffered some bitrot, so add a BROKEN dependency as well until we fix it up. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: IPR/INTC2 IRQ setup consolidation.Magnus Damm2007-07-19
| | | | | | | | | | This patch unifies the cpu specific interrupt setup functions for interrupt controller blocks such as ipr, intc2 and intc. There is no point in having separate functions for each interrupt controller, so let's clean this up. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: clean up interrupt code for solution engine 7722 boardMagnus Damm2007-07-19
| | | | | | | | | | | This patch cleans up solution engine 7722 specific interrupt code. The main purpose is to replace the mux function with use of set_irq_chained_handler() and replace hard coded register poking code with set_irq_type(). The board specific interrupts are also moved to start from SE7722_FPGA_IRQ_BASE. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: intc - add support for 7722 processorMagnus Damm2007-07-19
| | | | | | | | | | | This patch converts the cpu specific 7722 setup code to use the new intc controller. Many new vectors are added and also support for external interrupt sense configuration. So with this patch it is now possible to configure external interrupt pins as edge or level triggered using set_irq_type(). Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: intc - shared IPR and INTC2 controllerMagnus Damm2007-07-19
| | | | | | | | | | | | | | | | | | | | | | | This is the second version of the shared interrupt controller patch for the sh architecture, fixing up handling of intc_reg_fns[]. The three main advantages with this controller over the existing ones are: - Both priority (ipr) and bitmap (intc2) registers are supported - External pin sense configuration is supported, ie edge vs level triggered - CPU/Board specific code maps 1:1 with datasheet for easy verification This controller can easily coexist with the current IPR and INTC2 controllers, but the idea is that CPUs/Boards should be moved over to this controller over time so we have a single code base to maintain. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Fix irq assignment for uarts on sh7722Magnus Damm2007-07-19
| | | | | | | | | This patch contains two serial port related fixes for sh7722: - Make sure the irqs for the first serial port is correct - Add the second and third serial port to the platform data Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: hd64461 tidying.Kristoffer Ericson2007-07-19
| | | | | | | | | | Kill off the hd64461 io.c, as all of the hd64461 users are now using the generic I/O routines. [ hd64461/ moved to hd64461.c by Paul ] Signed-off-by: Kristoffer Ericson <kristoffer.ericson@gmail.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: r7780rp: Add R8A66597 and M66592 support.Yoshihiro Shimoda2007-07-19
| | | | | | | | This wires up the platform devices for the USB expansion boards for the Highlander boards. Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* mm: Remove slab destructors from kmem_cache_create().Paul Mundt2007-07-19
| | | | | | | | | | | | | | Slab destructors were no longer supported after Christoph's c59def9f222d44bb7e2f0a559f2906191a0862d7 change. They've been BUGs for both slab and slub, and slob never supported them either. This rips out support for the dtor pointer from kmem_cache_create() completely and fixes up every single callsite in the kernel (there were about 224, not including the slab allocator definitions themselves, or the documentation references). Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* define new percpu interface for shared dataFenghua Yu2007-07-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | per cpu data section contains two types of data. One set which is exclusively accessed by the local cpu and the other set which is per cpu, but also shared by remote cpus. In the current kernel, these two sets are not clearely separated out. This can potentially cause the same data cacheline shared between the two sets of data, which will result in unnecessary bouncing of the cacheline between cpus. One way to fix the problem is to cacheline align the remotely accessed per cpu data, both at the beginning and at the end. Because of the padding at both ends, this will likely cause some memory wastage and also the interface to achieve this is not clean. This patch: Moves the remotely accessed per cpu data (which is currently marked as ____cacheline_aligned_in_smp) into a different section, where all the data elements are cacheline aligned. And as such, this differentiates the local only data and remotely accessed data cleanly. Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Acked-by: Suresh Siddha <suresh.b.siddha@intel.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Christoph Lameter <clameter@sgi.com> Cc: <linux-arch@vger.kernel.org> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* mm: fault feedback #2Nick Piggin2007-07-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch completes Linus's wish that the fault return codes be made into bit flags, which I agree makes everything nicer. This requires requires all handle_mm_fault callers to be modified (possibly the modifications should go further and do things like fault accounting in handle_mm_fault -- however that would be for another patch). [akpm@linux-foundation.org: fix alpha build] [akpm@linux-foundation.org: fix s390 build] [akpm@linux-foundation.org: fix sparc build] [akpm@linux-foundation.org: fix sparc64 build] [akpm@linux-foundation.org: fix ia64 build] Signed-off-by: Nick Piggin <npiggin@suse.de> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Ian Molton <spyro@f2s.com> Cc: Bryan Wu <bryan.wu@analog.com> Cc: Mikael Starvik <starvik@axis.com> Cc: David Howells <dhowells@redhat.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Roman Zippel <zippel@linux-m68k.org> Cc: Greg Ungerer <gerg@uclinux.org> Cc: Matthew Wilcox <willy@debian.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Kazumoto Kojima <kkojima@rr.iij4u.or.jp> Cc: Richard Curnow <rc@rc0.org.uk> Cc: William Lee Irwin III <wli@holomorphy.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Cc: Miles Bader <uclinux-v850@lsi.nec.co.jp> Cc: Chris Zankel <chris@zankel.net> Acked-by: Kyle McMartin <kyle@mcmartin.ca> Acked-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Acked-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: Andi Kleen <ak@muc.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> [ Still apparently needs some ARM and PPC loving - Linus ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* PTRACE_POKEDATA consolidationAlexey Dobriyan2007-07-17
| | | | | | | | | | | | | | Identical implementations of PTRACE_POKEDATA go into generic_ptrace_pokedata() function. AFAICS, fix bug on xtensa where successful PTRACE_POKEDATA will nevertheless return EPERM. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Christoph Hellwig <hch@lst.de> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* PTRACE_PEEKDATA consolidationAlexey Dobriyan2007-07-17
| | | | | | | | | | | Identical implementations of PTRACE_PEEKDATA go into generic_ptrace_peekdata() function. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Christoph Hellwig <hch@lst.de> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Report that kernel is tainted if there was an OOPSPavel Emelianov2007-07-17
| | | | | | | | | | | | | | If the kernel OOPSed or BUGed then it probably should be considered as tainted. Thus, all subsequent OOPSes and SysRq dumps will report the tainted kernel. This saves a lot of time explaining oddities in the calltraces. Signed-off-by: Pavel Emelianov <xemul@openvz.org> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> [ Added parisc patch from Matthew Wilson -Linus ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6Linus Torvalds2007-07-16
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6: (68 commits) sh: sh-rtc support for SH7709. sh: Revert __xdiv64_32 size change. sh: Update r7785rp defconfig. sh: Export div symbols for GCC 4.2 and ST GCC. sh: fix race in parallel out-of-tree build sh: Kill off dead mach.c for hp6xx. sh: hd64461.h cleanup and added comments. sh: Update the alignment when 4K stacks are used. sh: Add a .bss.page_aligned section for 4K stacks. sh: Don't let SH-4A clobber SH-4 CFLAGS. sh: Add parport stub for SuperIO ports. sh: Drop -Wa,-dsp for DSP tuning. sh: Update dreamcast defconfig. fb: pvr2fb: A few more __devinit annotations for PCI. fb: pvr2fb: Fix up section mismatch warnings. sh: Select IPR-IRQ for SH7091. sh: Correct __xdiv64_32/div64_32 return value size. sh: Fix timer-tmu build for SH-3. sh: Add cpu and mach links to CLEAN_FILES. sh: Preliminary support for the SH-X3 CPU. ...
| * sh: sh-rtc support for SH7709.Kristoffer Ericson2007-07-15
| | | | | | | | | | Signed-off-by: Kristoffer Ericson <kristoffer.ericson@gmail.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Revert __xdiv64_32 size change.Paul Mundt2007-07-12
| | | | | | | | | | | | | | It's only __div64_32 that needs the fix, __xdiv64_32 behaves as expected with the original size. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Update r7785rp defconfig.Paul Mundt2007-07-12
| | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Export div symbols for GCC 4.2 and ST GCC.Paul Mundt2007-07-12
| | | | | | | | | | | | | | | | | | | | | | | | GCC 4.2 can emit integer variants of the FP division routines, so these need to be exported in order to keep the modules happy. 4.1.x versions of the ST compiler have these things backported, and so also generate these symbols (whereas vanilla gcc 4.1.x does not), so handle the __GNUC_STM_RELEASE__ case to accomodate updated versions of the 4.1.x toolchain. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: fix race in parallel out-of-tree buildErik Johansson2007-07-12
| | | | | | | | | | | | | | | | | | | | | | Depending on which of the three dependencies for archprepare (in arch/sh/Makefile) get built first, the directory include/asm-sh may or may not exist when the maketools target is built. If the directory does not exist, awk will fail to generate machtypes.h. This patch fixes this by creating the directory before awk is executed. Signed-off-by: Erik Johansson <erik.johansson@motorola.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Kill off dead mach.c for hp6xx.Kristoffer Ericson2007-07-11
| | | | | | | | | | Signed-off-by: Kristoffer Ericson <kristoffer.ericson@gmail.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Update the alignment when 4K stacks are used.Robert P. J. Day2007-07-11
| | | | | | | | | | | | | | | | Use the newly added .bss.page_aligned section for aligning the stacks rather than THREAD_SIZE. Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Add a .bss.page_aligned section for 4K stacks.Paul Mundt2007-07-11
| | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Don't let SH-4A clobber SH-4 CFLAGS.Paul Mundt2007-07-11
| | | | | | | | | | | | | | | | | | | | | | | | | | Older compilers don't support the -m4a{,nofpu} flags, which has the side-effect of allowing FP operations to be emitted. Switch this to incremental tuning, so we at least have -m4-nofpu as a fallback for the gcc3 toolchains. Without this, certain modules emit references to __udivsi3_i4 and __sdivsi3_i4. Reported-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Drop -Wa,-dsp for DSP tuning.Paul Mundt2007-07-06
| | | | | | | | | | | | | | | | | | We already hand off the proper ISA variant with the dsp specifier appended, so we don't need to explicitly set -dsp. This causes some confusion with certain toolchains that are restricted to -dsp family opcodes artificially. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Update dreamcast defconfig.Paul Mundt2007-07-06
| | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Select IPR-IRQ for SH7091.Paul Mundt2007-07-06
| | | | | | | | | | | | Fixes a compile failure for the Dreamcast. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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