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2008-07-28PCI: add D3 power state avoidance quirkAlan Cox
Libata has some hacks to deal with certain controllers going silly in D3 state. The right way to handle this is to keep a PCI device flag for such devices. That can then be generalised for no ATA devices with power problems. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-07-28PCI: disable ASPM on pre-1.1 PCIe devicesShaohua Li
Disable ASPM on pre-1.1 PCIe devices, as many of them don't implement it correctly. Tested-by: Jack Howarth <howarth@bromo.msbb.uc.edu> Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-07-28PCI: disable ASPM per ACPI FADT settingShaohua Li
The ACPI FADT table includes an ASPM control bit. If the bit is set, do not enable ASPM since it may indicate that the platform doesn't actually support the feature. Tested-by: Jack Howarth <howarth@bromo.msbb.uc.edu> Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-07-28Merge branch 'x86/iommu' of ↵Jesse Barnes
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip into for-linus
2008-07-28Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: add driver for Atmel integrated touchscreen controller Input: ads7846 - optimize order of calculating Rt in ads7846_rx() Input: ads7846 - fix sparse endian warnings Input: uinput - remove duplicate include Input: serio - offload resume to kseriod Input: serio - mark serio_register_driver() __must_check
2008-07-28Merge branch 'merge' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (25 commits) powerpc: Disable 64K hugetlb support when doing 64K SPU mappings powerpc/powermac: Fixup default serial port device for pmac_zilog powerpc/powermac: Use sane default baudrate for SCC debugging powerpc/mm: Implement _PAGE_SPECIAL & pte_special() for 64-bit powerpc: Show processor cache information in sysfs powerpc: Make core id information available to userspace powerpc: Make core sibling information available to userspace powerpc/vio: More fallout from dma_mapping_error API change ibmveth: Fix multiple errors with dma_mapping_error conversion powerpc/pseries: Fix CMO sysdev attribute API change fallout powerpc: Enable tracehook for the architecture powerpc: Add TIF_NOTIFY_RESUME support for tracehook powerpc: Add asm/syscall.h with the tracehook entry points powerpc: Make syscall tracing use tracehook.h helpers powerpc: Call tracehook_signal_handler() when setting up signal frames powerpc: Update cpu_sibling_maps dynamically powerpc: register_cpu_online should be __cpuinit powerpc: kill useless SMT code in prom_hold_cpus powerpc: Fix 8xx build failure powerpc: Fix vio build warnings ...
2008-07-28Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (72 commits) sh: SuperH Mobile CEU and camera platform data for AP325RXA sh: Update smc911x platform data for AP325RXA sh: SuperH Mobile LCDC platform data for AP325RXA sh: Add SuperH Mobile CEU platform data for Migo-R sh: Add SuperH Mobile LCDC platform data for Migo-R sh: Move asid_cache() out of ifdef to fix SH-3/4 nommu build. sh: Workaround for __put_user_asm() bug with gcc 4.x on big-endian. sh: Wire up new syscalls. sh: fix uImage Entry Point sh_keysc: remove request_mem_region() and release_mem_region() sh: Don't miss pending signals returning to user mode after signal processing sh: Use clk_always_enable() on sh7366 sh: Use clk_always_enable() on sh7343 / SE77343 sh: Use clk_always_enable() on sh7722 / Migo-R / SE7722 sh: Use clk_always_enable() on sh7723 / ap325rxa sh: Introduce clk_always_enable() function sh: Show all clocks and their state in /proc/clocks sh: Merge sh7343 and sh7722 clock code sh: Add SuperH Mobile MSTPCR bits to clock framework sh: Use arch_flags to simplify sh7722 siu clock code ...
2008-07-28Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linusLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: stop_machine: fix up ftrace.c stop_machine: Wean existing callers off stop_machine_run() stop_machine(): stop_machine_run() changed to use cpu mask Hotplug CPU: don't check cpu_online after take_cpu_down Simplify stop_machine stop_machine: add ALL_CPUS option module: fix build warning with !CONFIG_KALLSYMS
2008-07-28Merge git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvbLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (98 commits) V4L/DVB (8549): mxl5007: Fix an error at include file V4L/DVB (8548): pwc: Fix compilation V4L/DVB (8546): add tuner-3036 and dpc7146 drivers to feature-removal-schedule.txt V4L/DVB (8546): saa7146: fix read from uninitialized memory V4L/DVB (8544): gspca: probe/open race. V4L/DVB (8543): em28xx: Rename #define for Compro VideoMate ForYou/Stereo V4L/DVB (8542): em28xx: AMD ATI TV Wonder HD 600 entry at cards struct is duplicated V4L/DVB (8541): em28xx: HVR-950 entry is duplicated. V4L/DVB (8540): em28xx-cards: Add Compro VideoMate ForYou/Stereo model V4L/DVB (8539): em28xx-cards: New supported IDs for analog models V4L/DVB (8538): em28xx-cards: Add GrabBeeX+ USB2800 model V4L/DVB (8534): remove select's of FW_LOADER V4L/DVB (8522): videodev2: Fix merge conflict V4L/DVB (8532): mxl5007t: remove excessive locks V4L/DVB (8531): mxl5007t: move i2c gate handling outside of mutex protected code blocks V4L/DVB (8530): au0828: add support for new revision of HVR950Q V4L/DVB (8529): mxl5007t: enable _init and _sleep power management functionality V4L/DVB (8528): add support for MaxLinear MxL5007T silicon tuner V4L/DVB (8526): saa7146: fix VIDIOC_ENUM_FMT V4L/DVB (8525): fix a few assorted spelling mistakes. ...
2008-07-28Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc: Set CONFIG_HAVE_ARCH_TRACEHOOK sparc: Add task_pt_regs(). sparc: Add call to tracehook_signal_handler(). sparc: Create and use TIF_NOTIFY_RESUME. sparc: Use tracehook routines in syscall_trace(). sparc64: tracehook: CONFIG_HAVE_ARCH_TRACEHOOK sparc: Add user_stack_pointer(). sparc64: tracehook_signal_handler sparc64: tracehook: TIF_NOTIFY_RESUME sparc: Add asm/syscall.h sparc64: tracehook syscall sparc: enable headers_export again sparc, sparc64: use arch/sparc/include
2008-07-28i2c: S3C2410: Pass the I2C bus number via drivers platform dataBen Dooks
Allow the platform data to specify the bus bumber that the new I2C bus will be given. This is to allow the use of the board registration mechanism to specify the new style of I2C device registration which allows boards to provide a list of attached devices. Note, as discussed on the mailing list, we have dropped backwards compatibility of adding an dynamic bus number as it should not affect most boards to have the bus pinned to 0 if they have either not specified platform data for driver. Any board supplying platform data will automatically have the bus_num field set to 0, and anyone who needs the driver on a different bus number can supply platform data to set bus_num. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-07-28sh: Add SuperH Mobile CEU platform data for Migo-RMagnus Damm
Add Migo-R specific platform data for on-chip sh7722 CEU and ov772x camera. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Add SuperH Mobile LCDC platform data for Migo-RMagnus Damm
Add WVGA and QVGA LCD panel support to Migo-R. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Move asid_cache() out of ifdef to fix SH-3/4 nommu build.Paul Mundt
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Workaround for __put_user_asm() bug with gcc 4.x on big-endian.Yoshinori Sato
I think this problem is GCC(4.1.2) bug. Syscall "getdents" returned "dirent->d_off" is always 0. I think other EB enviroment have same problem. Problem code 0c03c954 <filldir>: : c03c97a: 58 f7 mov.l @(28,r15),r8 !-> offset (high) c03c97c: 59 f8 mov.l @(32,r15),r9 !-> offset (low) c03c97e: 53 f9 mov.l @(36,r15),r3 c03c980: 54 fa mov.l @(40,r15),r4 : c03c9a0: 21 82 mov.l r8,@r1 !offset(high) -> dirent->d_off It's workaround patch. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Wire up new syscalls.Paul Mundt
This wires up the signalfd4, eventfd2, epoll_create1, dup3, pipe2, and inotify_init1 syscalls. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Use clk_always_enable() on sh7343 / SE77343Magnus Damm
Use clk_always_enable() on the sh7343 processor and in the board code for Solution Engine 7343. Remove duplicate MSTPCR register definitions. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Use clk_always_enable() on sh7722 / Migo-R / SE7722Magnus Damm
Use clk_always_enable() on the sh7722 processor and in the board code for Migo-R and Solution Engine 7722. Remove duplicate MSTPCR register definitions. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Introduce clk_always_enable() functionMagnus Damm
Add SuperH specific funcion clk_always_enable(), useful to enable MSTPCR bits in processor or board specific code. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Add SuperH Mobile MSTPCR bits to clock frameworkMagnus Damm
Handle module stop clock bits in MSTPCRn through the clock framework. The clocks are named after the bits in the data sheet. The association between bit number and hardware block is processor specific. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Add arch_flags to struct clkMagnus Damm
Add arch_flags to struct clk so we can keep per-clock private data somewhere and share code between multiple clocks. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Renesas R0P7785LC0011RL board supportYoshihiro Shimoda
This adds initial support for the Renesas R0P7785LC0011RL board. This patch supports 29bit address mode only. Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Add memory chunks to SH-Mobile UIO devicesMagnus Damm
This patch adds physically contiguous memory chunks to the UIO devices. The same strategy can be used in the future for the CEU as well. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: update Solution Engine 7343Yoshihiro Shimoda
updated the following codes for Solution Endine 7343: - fix compile error in arch/sh/boards/se/7343/irq.c - add nor flash physmaps - update defconfig Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: update sh7343 codeYoshihiro Shimoda
updated the following codes for SH7343: - add register_intc_controller() - add EARLY_SCIF_CONSOLE_PORT - add define of CPG register Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: add interrupt ack code to sh4aYoshihiro Shimoda
This patch is based on interrupt acknowledge code for external interrupt sources on sh3 processors and adds on sh4a processors. Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Optimized flush_icache_range() implementation.Chris Smith
Add implementation of flush_icache_range() suitable for signal handler and kprobes. Remove flush_cache_sigtramp() and change signal.c to use flush_icache_range(). Signed-off-by: Chris Smith <chris.smith@st.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Stub in silicon cut in CPU info.Stuart Menefy
Signed-off-by: Stuart Menefy <stuart.menefy@st.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Clean up code of Solution Engine 770xNobuhiro Iwamatsu
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Solution Enginge 7710/7712 SH-Ether supportNobuhiro Iwamatsu
Add support SH-Ether for Hitachi Solution Engine. Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh/kernel/ cleanupsAdrian Bunk
This patch contains the following cleanups: - make the following needlessly global code static: - cf-enabler.c: cf_init() - cpu/clock.c: __clk_enable() - cpu/clock.c: __clk_disable() - process_32.c: default_idle() - time_32.c: struct clocksource_sh - timers/timer-tmu.c: struct tmu_timer_ops - remove the following unused functions (no CONFIG_BLK_DEV_FD on sh): - process_{32,64}.c: disable_hlt() - process_{32,64}.c: enable_hlt() Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28maple: tidy maple_driver code by removing redundant connect/disconnectAdrian McMenamin
The connect and disconnect functions are unnecessary - everything they do can be accomplished in the initial probe - so remove them. Signed-off-by: Adrian McMenamin <adrian@mcmen.demon.co.uk> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Renesas Solutions SH7763RDP board supportNobuhiro Iwamatsu
This patch adds basic support for the SH7763RDP board. This supports a basic stuff provided in SH7763, like SCIF, NOR Flash and USB host. Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Initial consolidation of the _32/_64 uaccess split.Paul Mundt
This consolidates everything but the bare assembly routines, which we will sync up in a follow-up patch. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Consolidate addr/access_ok across mmu/nommu on 32bit.Paul Mundt
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Use the common segment definitions for the _64 uaccess routines.Paul Mundt
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Add support for 16kB PAGE_SIZE.Paul Mundt
16kB is a useful size on nommu, while 64kB still tends to be too big to be useful. Newer MMUs are likely to support this as well, so plug it in in anticipation of those, too. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Consolidate segment modifiers across mmu/nommu systems.Paul Mundt
This moves get_fs/set_fs() and friends in to asm/segment.h. The mm_segment_t definition is likewise consolidated from the _32/_64 split. This is prepatory groundwork for using the generic address space limit and verification routines across mmu/nommu configs. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Initial ELF FDPIC support.Paul Mundt
This adds initial support for ELF FDPIC on MMU-less SH, as per version 0.2 of the ABI definition at: http://www.codesourcery.com/public/docs/sh-fdpic/sh-fdpic-abi.txt Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Prevent leaking of CONFIG_SUPERH32 to userspace in asm/unistd.h.Khem Raj
CONFIG_SUPERH32 is currently trickling into userspace unistd.h. Attached patch uses __SH5__ define in userspace. Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28powerpc/mm: Implement _PAGE_SPECIAL & pte_special() for 64-bitNick Piggin
Implement _PAGE_SPECIAL and pte_special() for 64-bit powerpc. This bit will be used by the fast get_user_pages() to differenciate PTEs that correspond to a valid struct page from special mappings that don't such as IO mappings obtained via io_remap_pfn_ranges(). Signed-off-by: Nick Piggin <npiggin@suse.de> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Hugh Dickins <hugh@veritas.com> Cc: "Paul E. McKenney" <paulmck@us.ibm.com> Reviewed-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28powerpc: Make core id information available to userspaceNathan Lynch
Existing Open Firmware practice is to report each processor core as a separate node in the device tree. Report the value of the "reg" OF property corresponding to a logical CPU's device node as the core_id attribute in /sys/devices/system/cpu/cpu*/topology/core_id. Signed-off-by: Nathan Lynch <ntl@pobox.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28powerpc: Make core sibling information available to userspaceNathan Lynch
Implement the notion of "core siblings" for powerpc. This makes /sys/devices/system/cpu/cpu*/topology/core_siblings present sensible values, indicating online CPUs which share an L2 cache. BenH: Made cpu_to_l2cache() use of_find_node_by_phandle() instead of IBM-specific open coded search Signed-off-by: Nathan Lynch <ntl@pobox.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28powerpc: Add TIF_NOTIFY_RESUME support for tracehookRoland McGrath
This adds TIF_NOTIFY_RESUME support for powerpc. When set, we call tracehook_notify_resume() on the way to user mode. This overloads do_signal() to do the work, but changes its arguments to it has the TIF_* bits handy in a register and drops the useless first argument that was always zero. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28powerpc: Add asm/syscall.h with the tracehook entry pointsRoland McGrath
Add asm/syscall.h for powerpc with all the required entry points. This will allow arch-independent tracing code for system calls. BenH: Fixed up use of regs->trap to properly mask low bit Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28powerpc: Fix 8xx build failureKumar Gala
The 'powerpc ioremap_prot' broke 8xx builds: include2/asm/pgtable-ppc32.h:555: error: '_PAGE_WRITETHRU' undeclared (first use in this function) include2/asm/pgtable-ppc32.h:555: error: (Each undeclared identifier is reported only once include2/asm/pgtable-ppc32.h:555: error: for each function it appears in.) Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28Merge commit 'gcl/gcl-next'Benjamin Herrenschmidt
2008-07-28stop_machine(): stop_machine_run() changed to use cpu maskRusty Russell
Instead of a "cpu" arg with magic values NR_CPUS (any cpu) and ~0 (all cpus), pass a cpumask_t. Allow NULL for the common case (where we don't care which CPU the function is run on): temporary cpumask_t's are usually considered bad for stack space. This deprecates stop_machine_run, to be removed soon when all the callers are dead. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-07-28Simplify stop_machineRusty Russell
stop_machine creates a kthread which creates kernel threads. We can create those threads directly and simplify things a little. Some care must be taken with CPU hotunplug, which has special needs, but that code seems more robust than it was in the past. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
2008-07-28stop_machine: add ALL_CPUS optionJason Baron
-allow stop_mahcine_run() to call a function on all cpus. Calling stop_machine_run() with a 'ALL_CPUS' invokes this new behavior. stop_machine_run() proceeds as normal until the calling cpu has invoked 'fn'. Then, we tell all the other cpus to call 'fn'. Signed-off-by: Jason Baron <jbaron@redhat.com> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> CC: Adrian Bunk <bunk@stusta.de> CC: Andi Kleen <andi@firstfloor.org> CC: Alexey Dobriyan <adobriyan@gmail.com> CC: Christoph Hellwig <hch@infradead.org> CC: mingo@elte.hu CC: akpm@osdl.org
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