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2010-08-17clock-imx35: correct arm and ahb clock calculationMarc Kleine-Budde
According to the Datasheet: "i.MX35 (MCIMX35) Multimedia Applications Processor Reference Manual, Rev. 2" "Figure 14-24. Clock Control And Gating" change the result of get_rate_ahb based on the frequency returned by get_rate_arm to calculate the proper rate. Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-08-17clock-imx35: fix divider if ahb is source for ipg_perMarc Kleine-Budde
According to the Datasheet: "i.MX35 (MCIMX35) Multimedia Applications Processor Reference Manual, Rev. 2" "Table 14-6. PDR0 Field Descriptions" the divider is CCM_PER_AHB[3:0] + 1. This patch adds the missing + 1. Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-08-17i.MX35: remove get_3_3_div helper functionSascha Hauer
In the v2 reference manual there are no dividers combined of two dividers. Instead, all dividers are simple 6bit dividers. I assume the combined dividers only exist in preliminary hardware. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-08-17latencytop: Fix kconfig dependency warningsRandy Dunlap
warning: (LATENCYTOP && HAVE_LATENCYTOP_SUPPORT) selects SCHED_DEBUG which has unmet direct dependencies (DEBUG_KERNEL && PROC_FS) warning: (LATENCYTOP && HAVE_LATENCYTOP_SUPPORT) selects SCHEDSTATS which has unmet direct dependencies (DEBUG_KERNEL && PROC_FS) Add depends on STACKTRACE_SUPPORT for 'select STACKTRACE'. Add depends on PROC_FS since that is where the output goes. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Arjan van de Ven <arjan@linux.intel.com> LKML-Reference: <20100812123121.a7c99cde.randy.dunlap@oracle.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-08-17mx35: Fix boot ROM hang in internal boot modeHans J. Koch
If a watchdog reset occurs after booting in internal boot mode, the i.MX35 won't boot anymore. The boot ROM code seems to assume that some clocks are turned on (they are after a power-on reset). This patch turns on the necessary clocks. Signed-off-by: Hans J. Koch <hjk@linutronix.de> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reported-by: John Ogness <jogness@linutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-08-16of: Fix missing includesGrant Likely
This patch fixes missing includes from a number of .c files because the code (wrongfully) depended on prom.h including them. The include of linux/of_address.h was removed in microblaze prom.h in commit "of/address: Clean up function declarations" (sha1 id 22ae782f8), but not fixed in some callers. This patch fixes them up. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Tested-by: Michal Simek <monstr@monstr.eu>
2010-08-17drm: block userspace under allocating buffer and having drivers overwrite it ↵Dave Airlie
(v2) With the current screwed but its ABI, ioctls for the drm, Linus pointed out that we could allow userspace to specify the allocation size, but we pass it to the driver which then uses it blindly to store a struct. Now if userspace specifies the allocation size as smaller than the driver needs, the driver can possibly overwrite memory. This patch restructures the driver ioctls so we store the structure size we are expecting, and make sure we allocate at least that size. The copy from/to userspace are still restricted to the size the user specifies, this allows ioctl structs to grow on both sides of the equation. Up until now we didn't really use the DRM_IOCTL defines in the kernel, so this cleans them up and adds them for nouveau. v2: fix nouveau pushbuf arg (thanks to Ben for pointing it out) Reported-by: Linus Torvalds <torvalds@linuxfoundation.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-17drm: stop information leak of old kernel stack.Dave Airlie
non-critical issue, CVE-2010-2803 Userspace controls the amount of memory to be allocate, so it can get the ioctl to allocate more memory than the kernel uses, and get access to kernel stack. This can only be done for processes authenticated to the X server for DRI access, and if the user has DRI access. Fix is to just memset the data to 0 if the user doesn't copy into it in the first place. Reported-by: Kees Cook <kees@ubuntu.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-17drm/nouveau: fix earlier mistake when fixing merge conflictBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-08-17drm/nvc0: fix thinko in instmem suspend/resumeBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-08-17drm/nouveau: Workaround missing GPIO tables on an Apple iMac G4 NV18.Francisco Jerez
This should fix the reported TV-out load detection false positives (fdo bug 29455). Reported-by: Vlado Plaga <rechner@vlado-do.de> Signed-off-by: Francisco Jerez <currojerez@riseup.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-08-17drm/nouveau: Add TV-out quirk for an MSI nForce2 IGP.Francisco Jerez
The blob also thinks there's a TV connected, so hardware bug... Signed-off-by: Francisco Jerez <currojerez@riseup.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-08-17drm/nv50-nvc0: ramht_size is meant to be in bytes, not entriesBen Skeggs
Fixes an infinite loop that can happen in RAMHT lookup. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-08-17drm/nouveau: punt some more log messages to debug levelBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-08-17drm/nouveau: remove warning about unknown tmds table revisionsBen Skeggs
This message is apparently confusing people, and is being blamed for some modesetting issues. Lets remove the message, and instead replace it with an unconditional printout of the table revision. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-08-17drm/nouveau: check for error when allocating/mapping dummy pageBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-08-17drm/nouveau: fix race condition when under memory pressureBen Skeggs
When VRAM is running out it's possible that the client's push buffers get evicted to main memory. When they're validated back in, the GPU may be used for the copy back to VRAM, but the existing synchronisation code only deals with inter-channel sync, not sync between PFIFO and PGRAPH on the same channel. This leads to PFIFO fetching from command buffers that haven't quite been copied by PGRAPH yet. This patch marks push buffers as so, and forces any GPU-assisted buffer moves to be done on a different channel, which triggers the correct synchronisation to happen before we submit them. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-08-17drm/nv50: fix minor thinko from nvc0 changesBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-08-17drm/nouveau: Don't try DDC on the dummy I2C channel.Francisco Jerez
Signed-off-by: Francisco Jerez <currojerez@riseup.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-08-17AppArmor: fix task_setrlimit prototypeJiri Slaby
After rlimits tree was merged we get the following errors: security/apparmor/lsm.c:663:2: warning: initialization from incompatible pointer type It is because AppArmor was merged in the meantime, but uses the old prototype. So fix it by adding struct task_struct as a first parameter of apparmor_task_setrlimit. NOTE that this is ONLY a compilation warning fix (and crashes caused by that). It needs proper handling in AppArmor depending on who is the 'task'. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-08-16sparc: Hook up new fanotify and prlimit64 syscalls.David S. Miller
The only tricky bit is the compat version of fanotify_mark, which which on 32-bit the 64-bit mark argument is passed in as "high32", "low32". Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-16ata: update for of_device to platform_device replacementStephen Rothwell
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2010-08-16Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
2010-08-16vt,console,kdb: preserve console_blanked while in kdbJason Wessel
Commit b45cfba4e9005d64d419718e7ff7f7cab44c1994 (vt,console,kdb: implement atomic console enter/leave functions) introduced the ability to atomically change the console mode with kernel mode setting but did not preserve the state of the console_blanked variable. The console_blanked variable must be restored when executing the con_debug_leave() or further kernel mode set changes (such as using chvt X) will fail to correctly set the state of console. Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> CC: Andrew Morton <akpm@linux-foundation.org>
2010-08-16vt: fix regression warnings from KMS mergeJason Wessel
Fix the following new sparse warnings in vt.c introduced by the commit b45cfba4e9005d64d419718e7ff7f7cab44c1994 (vt,console,kdb: implement atomic console enter/leave functions): drivers/char/vt.c:197:5: warning: symbol 'saved_fg_console' was not declared. Should it be static? drivers/char/vt.c:198:5: warning: symbol 'saved_last_console' was not declared. Should it be static? drivers/char/vt.c:199:5: warning: symbol 'saved_want_console' was not declared. Should it be static? drivers/char/vt.c:200:5: warning: symbol 'saved_vc_mode' was not declared. Should it be static? Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> CC: Andrew Morton <akpm@linux-foundation.org>
2010-08-16arm,kgdb: fix GDB_MAX_REGS no longer usedEric Miao
According to commit 22eeef4bb2a7fd225089c0044060ed1fbf091958 kgdb,arm: Individual register get/set for arm It's now replaced by DBG_MAX_REG_NUM. Signed-off-by: Eric Miao <eric.y.miao@gmail.com> Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2010-08-16kgdb: add missing __percpu markup in arch/x86/kernel/kgdb.cNamhyung Kim
breakinfo->pev is a pointer to percpu pointer but was missing __percpu markup. Add it. Signed-off-by: Namhyung Kim <namhyung@gmail.com> Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2010-08-16kdb: fix compile error without CONFIG_KALLSYMSJason Wessel
If CONFIG_KGDB_KDB is set and CONFIG_KALLSYMS is not set the kernel will fail to build with the error: kernel/built-in.o: In function `kallsyms_symbol_next': kernel/debug/kdb/kdb_support.c:237: undefined reference to `kdb_walk_kallsyms' kernel/built-in.o: In function `kallsyms_symbol_complete': kernel/debug/kdb/kdb_support.c:193: undefined reference to `kdb_walk_kallsyms' The kdb_walk_kallsyms needs a #ifdef proper header to match the C implementation. This patch also fixes the compiler warnings in kdb_support.c when compiling without CONFIG_KALLSYMS set. The compiler warnings are a result of the kallsyms_lookup() macro not initializing the two of the pass by reference variables. Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Reported-by: Michal Simek <monstr@monstr.eu>
2010-08-16Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2010-08-16microblaze: Fix of: eliminate of_device->node and dev_archdata->{of,prom}_nodeMichal Simek
Commit 58f9b0b02414062eaff46716bc04b47d7e79add5 should contain this fix too. Signed-off-by: Michal Simek <monstr@monstr.eu> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2010-08-16microblaze: Fix of/address: Merge all of the bus translation codeMichal Simek
Commit dbbdee94734bf6f1db7af42008a53655e77cab8f removed of_irq_pci_swizzle but didn't use pci_swizzle_interrupt_pin instead. Signed-off-by: Michal Simek <monstr@monstr.eu> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2010-08-16booting-without-of: Remove nonexistent chapters from TOC, fix numberingAnton Vorontsov
Marvell and GPIO bindings live in their own files, so the TOC should not mention them. Also fix chapters numbering. Signed-off-by: Anton Vorontsov <avorontsov@mvista.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2010-08-16cifs: consolidate error handling in several functionsJeff Layton
cifs has a lot of complicated functions that have to clean up things on error, but some of them don't have all of the cleanup code well-consolidated. Clean up and consolidate error handling in several functions. This is in preparation of later patches that will need to put references to the tcon link container. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-16sparc: Really fix "console=" for serial consoles.David S. Miller
If a video head and keyboard are hooked up, specifying "console=ttyS0" or similar to use a serial console will not work properly. The key issue is that we must register all serial console capable devices with register_console(), otherwise the command line specified device won't be found. The sun serial drivers would only register themselves as console devices if the OpenFirmware specified console device node matched. To fix this part we now unconditionally get the serial console register by setting serial_drv->cons always. Secondarily we must not add_preferred_console() using the firmware provided console setting if the user gaven an override on the kernel command line using "console=" The "primary framebuffer" matching logic was always triggering o n openfirmware device node match, make it not when a command line override was given. Reported-by: Frans Pop <elendil@planet.nl> Tested-by: Frans Pop <elendil@planet.nl> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-16Merge branch 'perf/urgent' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux-2.6 into perf/urgent
2010-08-16cifs: clean up error handling in cifs_mknodJeff Layton
Get rid of some nesting and add a label we can goto on error. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-16platform/x86: move rfkill for Dell Mini 1012 to compal-laptopVictor van den Elzen
Like others in the Mini series, the Dell Mini 1012 does not support the smbios hook required by dell-laptop. Signed-off-by: Victor van den Elzen <victor.vde@gmail.com> Cc: stable <stable@kernel.org> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-08-16thinkpad-acpi: Add KEY_CAMERA (Fn-F6) for Lenovo keyboardsJens Taprogge
On the T410s and most likely other current models, Fn-F6 is labeled as Camera/Headphone key. Report key presses as KEY_CAMERA. Signed-off-by: Jens Taprogge <jens.taprogge@taprogge.org> Acked-by: Jerone Young <jerone.young@canonical.com> Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-08-16thinkpad-acpi: add support for model-specific keymapsHenrique de Moraes Holschuh
Use the quirks engine to select model-specific keymaps, which makes it much easier to extend should we need it. Keycodes are based on the tables at http://www.thinkwiki.org/wiki/Default_meanings_of_special_keys. Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-08-16thinkpad-acpi: lock down size of hotkey keymapHenrique de Moraes Holschuh
Use a safer coding style for the hotkey keymap. This does not fix any problems, as the current code is correct. But it might help avoid mistakes in the future. Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-08-16thinkpad-acpi: untangle ACPI/vendor backlight selectionHenrique de Moraes Holschuh
acpi_video_backlight_support() already tells us if ACPI is handling backlight control through the generic ACPI handle. It is better to just trust it. While at it, adjust down a printk priority, and test earlier for brightness_enable=0. Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-08-16thinkpad-acpi: find ACPI video device by synthetic HIDHenrique de Moraes Holschuh
The Linux ACPI core locates the ACPI video devices for us and marks them with ACPI_VIDEO_HID. Use that information to locate the video device instead of a half-baked hunt for _BCL. This uncouples the detection of the number of backlight brightness levels on ThinkPads from the ACPI paths in vid_handle. With this change, the driver should be able to always detect whether the ThinkPad uses a 8-level or 16-level brightness scale even on newer models for which the vid_handle paths have not been updated yet. It will skip deactivated devices in the ACPI device tree, which is a change in behaviour. Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-08-16intel_ips: potential null dereferenceDan Carpenter
There is a potential NULL dereference of "limits." We can just return NULL earlier to avoid it. The caller already handles NULL returns. Signed-off-by: Dan Carpenter <error27@gmail.com> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-08-16drivers/platform/x86: Adjust confusing if indentationJulia Lawall
The assignment of ret to -EIO appears to only make sense if the branch that it is aligned with is executed, so move it into that branch. The semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r disable braces4@ position p1,p2; statement S1,S2; @@ ( if (...) { ... } | if (...) S1@p1 S2@p2 ) @script:python@ p1 << r.p1; p2 << r.p2; @@ if (p1[0].column == p2[0].column): cocci.print_main("branch",p1) cocci.print_secs("after",p2) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-08-16x86: intel_ips: do not use PCI resources before pci_enable_device()Kulikov Vasiliy
IRQ and resource[] may not have correct values until after PCI hotplug setup occurs at pci_enable_device() time. The semantic match that finds this problem is as follows: // <smpl> @@ identifier x; identifier request ~= "pci_request.*|pci_resource.*"; @@ ( * x->irq | * x->resource | * request(x, ...) ) ... *pci_enable_device(x) // </smpl> Signed-off-by: Kulikov Vasiliy <segooon@gmail.com> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-08-16Merge branch 'tip/perf/urgent-3' of ↵Steven Rostedt
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into trace/tip/perf/urgent-4 Conflicts: kernel/trace/trace_events.c Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-08-16USB HID: Add ID for eGalax Multitouch used in JooJoo tabletChris Ball
The JooJoo tablet (http://thejoojoo.com/) contains an "eGalax Inc. USB TouchController", and this patch hooks it up to the egalax-touch driver. Without the patch we don't get any cursor motion, since it comes through Z/RX rather than X/Y. (The egalax-touch driver does not yet generate a correct event sequence for the "serial" protocol used by this device, though -- see the note added to the code, which comes from research by Stéphane Chatty.) Cc: Jiri Kosina <jkosina@suse.cz> Cc: Stéphane Chatty <chatty@enac.fr> Signed-off-by: Chris Ball <cjb@laptop.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-08-16perf annotate tui: Fix exit and RIGHT keys handlingArnaldo Carvalho de Melo
As part of ongoing effort to reduce the coupling with libnewt, browsers are being changed to return the exit key. The annotate browser is not returning it as expected by builtin-annotate when annotating multiple symbols (when 'perf annotate' is called without specifying a symbol name). Fix it by returning the exit key and also adding the RIGHT key as a exit key so that going to the next symbol in the TUI can work again. Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> LKML-Reference: <new-submission> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2010-08-16eukrea-baseboards: fix the merge in one fileEric Bénard
Last change I did made a big mess in function names and CONFIG names, this patch fixes this so that the baseboard support is really built when selected. Signed-off-by: Eric Bénard <eric@eukrea.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-08-16ASoC: Remove DSP mode support for WM8776Mark Brown
This is not supported by current hardware revisions. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Cc: stable@kernel.org
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