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2008-10-20Merge branch 'genirq-v28-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip This merges branches irq/genirq, irq/sparseirq-v4, timers/hpet-percpu and x86/uv. The sparseirq branch is just preliminary groundwork: no sparse IRQs are actually implemented by this tree anymore - just the new APIs are added while keeping the old way intact as well (the new APIs map 1:1 to irq_desc[]). The 'real' sparse IRQ support will then be a relatively small patch ontop of this - with a v2.6.29 merge target. * 'genirq-v28-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (178 commits) genirq: improve include files intr_remapping: fix typo io_apic: make irq_mis_count available on 64-bit too genirq: fix name space collisions of nr_irqs in arch/* genirq: fix name space collision of nr_irqs in autoprobe.c genirq: use iterators for irq_desc loops proc: fixup irq iterator genirq: add reverse iterator for irq_desc x86: move ack_bad_irq() to irq.c x86: unify show_interrupts() and proc helpers x86: cleanup show_interrupts genirq: cleanup the sparseirq modifications genirq: remove artifacts from sparseirq removal genirq: revert dynarray genirq: remove irq_to_desc_alloc genirq: remove sparse irq code genirq: use inline function for irq_to_desc genirq: consolidate nr_irqs and for_each_irq_desc() x86: remove sparse irq from Kconfig genirq: define nr_irqs for architectures with GENERIC_HARDIRQS=n ...
2008-10-20Merge branch 'v28-timers-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'v28-timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (36 commits) fix documentation of sysrq-q really Fix documentation of sysrq-q timer_list: add base address to clock base timer_list: print cpu number of clockevents device timer_list: print real timer address NOHZ: restart tick device from irq_enter() NOHZ: split tick_nohz_restart_sched_tick() NOHZ: unify the nohz function calls in irq_enter() timers: fix itimer/many thread hang, fix timers: fix itimer/many thread hang, v3 ntp: improve adjtimex frequency rounding timekeeping: fix rounding problem during clock update ntp: let update_persistent_clock() sleep hrtimer: reorder struct hrtimer to save 8 bytes on 64bit builds posix-timers: lock_timer: make it readable posix-timers: lock_timer: kill the bogus ->it_id check posix-timers: kill ->it_sigev_signo and ->it_sigev_value posix-timers: sys_timer_create: cleanup the error handling posix-timers: move the initialization of timer->sigq from send to create path posix-timers: sys_timer_create: simplify and s/tasklist/rcu/ ... Fix trivial conflicts due to sysrq-q description clahes in Documentation/sysrq.txt and drivers/char/sysrq.c
2008-10-20Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (36 commits) ide: re-add TRM290 fix lost during ide_build_dmatable() cleanup scc_pata: kill unused variables sgiioc4: kill duplicate ioremap() sgiioc4: kill useless address checks delkin_cb: add PM support ide: remove broken hpt34x driver ide-floppy: remove idefloppy_floppy_t typedef sgiioc4: remove maskproc() method hpt366: cleanup maskproc() method ide: mask interrupt in ide_config_drive_speed() hpt366: fix compile warning ide: remove unused macros from <asm-parisc/ide.h> ide: remove M68K_IDE_SWAPW define from <asm-m68k/ide.h> ide: remove dead <asm-arm/arch-sa1100/ide.h> ide: fix support for IDE PCI controllers using MMIO on frv ide-cd: remove stale comment ide-cd: small drive type print fix ide-cd: debug log enhancements ide: add generic ATA/ATAPI disk driver ide: allow device drivers to specify per-device type /proc settings ...
2008-10-20Merge branch 'next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx: fsldma: allow Freescale Elo DMA driver to be compiled as a module fsldma: remove internal self-test from Freescale Elo DMA driver drivers/dma/dmatest.c: switch a GFP_ATOMIC to GFP_KERNEL dmatest: properly handle duplicate DMA channels drivers/dma/ioat_dma.c: drop code after return async_tx: make async_tx_run_dependencies() easier to read
2008-10-20Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdogLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: [WATCHDOG] ib700wdt.c - fix buffer_underflow bug
2008-10-20Update email addresses.Dave Jones
Update assorted email addresses and related info to point to a single current, valid address. additionally - trivial CREDITS entry updates. (Not that this file means much any more) - remove arjans dead redhat.com address from powernow driver Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20Remove empty imacfb.c fileLinus Torvalds
Commit 7c08c9ae0c145807c0dae4a55f240fa3d4fd5262 ("efifb/imacfb consolidation + hardware support") claimed to remove imacfb entirely and merge its DMI table into the efifb driver. So far so good, but the diff actually ended up just generating an empty file instead of removing it. [ Technical reason: the patch header looked like diff -puN drivers/video/imacfb.c~efifb-imacfb-consolidation-hardware-support drivers/video/imacfb.c --- a/drivers/video/imacfb.c~efifb-imacfb-consolidation-hardware-support +++ a/drivers/video/imacfb.c @@ -1,376 +0,0 @@ which git will think is a truncation, not a delete. Git wants to see a target of /dev/null to consider it a delete. ] So remove it properly. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: s3cmci: Add Ben Dooks/Simtec Electronics to header & copyright s3cmci: fix continual accesses to host->pio_ptr s3cmci: Support transfers which are not multiple of 32 bits. s3cmci: cpufreq support s3cmci: Make general protocol errors less noisy mmc_block: tell block layer there is no seek penalty
2008-10-20Merge git://git.infradead.org/battery-2.6Linus Torvalds
* git://git.infradead.org/battery-2.6: bq27x00_battery: use unaligned access helper power_supply: fix dependency of tosa_battery power_supply: Support for Texas Instruments BQ27200 battery managers power_supply: Add function to return system-wide power state pda_power: Check and handle return value of set_irq_wake
2008-10-20epca: Add infinite break supportAlan Cox
The EPCA can support indefinte break lengths and with info from digi that can now be added Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20Merge branch 'for-next' of git://git.o-hand.com/linux-mfdLinus Torvalds
* 'for-next' of git://git.o-hand.com/linux-mfd: mfd: further unbork the ucb1400 ac97_bus dependencies mfd: ucb1400 needs GPIO mfd: ucb1400 sound driver uses/depends on AC97_BUS: mfd: Don't use NO_IRQ in WM8350 mfd: update TMIO drivers to use the clock API mfd: twl4030-core irq simplification mfd: add base support for Dialog DA9030/DA9034 PMICs mfd: TWL4030 core driver mfd: support tmiofb cell on tc6393xb mfd: add OHCI cell to tc6393xb mfd: Fix htc-egpio compile warning mfd: do tcb6393xb state restore on resume only if requested mfd: provide and use setup hook for tc6393xb mfd: update sm501 debugging/low information messages mfd: reduce stack usage in mfd-core.c
2008-10-20Merge 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: (112 commits) sh: Move SH-4 CPU headers down one more level. sh: Only build in gpio.o when CONFIG_GENERIC_GPIO is selected. sh: Migrate common board headers to mach-common/. sh: Move the CPU definition headers from asm/ to cpu/. serial: sh-sci: Add support SCIF of SH7723 video: add sh_mobile_lcdc platform flags video: remove unused sh_mobile_lcdc platform data sh: remove consistent alloc cruft sh: add dynamic crash base address support sh: reduce Migo-R smc91x overruns sh: Fix up some merge damage. Fix debugfs_create_file's error checking method for arch/sh/mm/ Fix debugfs_create_dir's error checking method for arch/sh/kernel/ sh: ap325rxa: Add support RTC RX-8564LC in AP325RXA board sh: Use sh7720 GPIO on magicpanelr2 board sh: Add sh7720 pinmux code sh: Use sh7203 GPIO on rsk7203 board sh: Add sh7203 pinmux code sh: Use sh7723 GPIO on AP325RXA board sh: Add sh7723 pinmux code ...
2008-10-20pci: Use new %pR to print resource rangesBenjamin Herrenschmidt
This converts things in drivers/pci to use %pR to printout the content of a struct resource instead of hand-casted %llx or other variants. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: ASoC: OMAP: Fix DSP DAI format in McBSP DAI driver go7007 - Add missing dependency on sound subsystem ALSA: ps3: Add support for SPDIF/HDMI passthru ps3: Add passthru support for non-audio streams ps3: Add ps3av_audio_mute_analog() ALSA: misc typo fixes sound: add missing pcm kernel-doc
2008-10-20staging: sxg depends on X86Stephen Rothwell
sxghif.h has code that explicitly will not build fo other architecures. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20Merge git://git.infradead.org/mtd-2.6Linus Torvalds
* git://git.infradead.org/mtd-2.6: (69 commits) Revert "[MTD] m25p80.c code cleanup" [MTD] [NAND] GPIO driver depends on ARM... for now. [MTD] [NAND] sh_flctl: fix compile error [MTD] [NOR] AT49BV6416 has swapped erase regions [MTD] [NAND] GPIO NAND flash driver [MTD] cmdlineparts documentation change - explain where mtd-id comes from [MTD] cfi_cmdset_0002.c: Add Macronix CFI V1.0 TopBottom detection [MTD] [NAND] Fix compilation warnings in drivers/mtd/nand/cs553x_nand.c [JFFS2] Write buffer offset adjustment for NOR-ECC (Sibley) flash [MTD] mtdoops: Fix a bug where block may not be erased [MTD] mtdoops: Add a magic number to logged kernel oops [MTD] mtdoops: Fix an off by one error [JFFS2] Correct parameter names of jffs2_compress() in comments [MTD] [NAND] sh_flctl: add support for Renesas SuperH FLCTL [MTD] [NAND] Bug on atmel_nand HW ECC : OOB info not correctly written [MTD] [MAPS] Remove unused variable after ROM API cleanup. [MTD] m25p80.c extended jedec support (v2) [MTD] remove unused mtd parameter in of_mtd_parse_partitions() [MTD] [NAND] remove dead Kconfig associated with !CONFIG_PPC_MERGE [MTD] [NAND] driver extension to support NAND on TQM85xx modules ...
2008-10-20x86: sysfs: kill owner field from attributeParag Warudkar
Tejun's commit 7b595756ec1f49e0049a9e01a1298d53a7faaa15 made sysfs attribute->owner unnecessary. But the field was left in the structure to ease the merge. It's been over a year since that change and it is now time to start killing attribute->owner along with its users - one arch at a time! This patch is attempt #1 to get rid of attribute->owner only for CONFIG_X86_64 or CONFIG_X86_32 . We will deal with other arches later on as and when possible - avr32 will be the next since that is something I can test. Compile (make allyesconfig / make allmodconfig / custom config) and boot tested. akpm: the idea is that we put the declaration of sttribute.owner inside `#ifndef CONFIG_X86'. But that proved to be too ambitious for now because new usages kept on turning up in subsystem trees. [akpm: remove the ifdef for now] Signed-off-by: Parag Warudkar <parag.lkml@gmail.com> Cc: Greg KH <greg@kroah.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Tejun Heo <htejun@gmail.com> Cc: Len Brown <lenb@kernel.org> Cc: Jens Axboe <jens.axboe@oracle.com> Cc: Jean Delvare <khali@linux-fr.org> Cc: Roland Dreier <rolandd@cisco.com> Cc: David Brownell <david-b@pacbell.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20drivers/scsi/sr_vendor.c: use bcd2binAdrian Bunk
Change sr_vendor.c to use the new bcd2bin function instead of the obsolete BCD2BIN macro. Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20i2c: use bcd2bin/bin2bcdAdrian Bunk
Change i2c to use the new bcd2bin/bin2bcd functions instead of the obsolete BCD2BIN/BIN2BCD macros. Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20drivers/rtc/rtc-bq4802.c: don't use BIN_2_BCD and BCD_2_BINAndrew Morton
These are going away. Cc: Takashi Iwai <tiwai@suse.de> Cc: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20rtc: use bcd2bin/bin2bcdAdrian Bunk
Change various rtc related code to use the new bcd2bin/bin2bcd functions instead of the obsolete BCD_TO_BIN/BIN_TO_BCD/BCD2BIN/BIN2BCD macros. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20drivers/rtc/: use bcd2bin/bin2bcdAdrian Bunk
Change drivers/rtc/ to use the new bcd2bin/bin2bcd functions instead of the obsolete BCD_TO_BIN/BIN_TO_BCD/BCD2BIN/BIN2BCD macros. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20acpi: use bcd2bin/bin2bcdAdrian Bunk
Change ACPI to use the new bcd2bin/bin2bcd functions instead of the obsolete BCD_TO_BIN/BIN_TO_BCD macros. Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20byteorder: remove direct includes of linux/byteorder/swab[b].hHarvey Harrison
A consolidated implementation will provide this generically through asm/byteorder, remove direct includes to avoid breakage when the changeover to the new implementation occurs. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Acked-by: Mauro Carvalho Chehab <mchehab@infradead.org> Acked-by: "Paul E. McKenney" <paulmck@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20edac cell: fix incorrect edac_modeBenjamin Herrenschmidt
The cell_edac driver is setting the edac_mode field of the csrow's to an incorrect value, causing the sysfs show routine for that field to go out of an array bound and Oopsing the kernel when used. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Doug Thompson <dougthompson@xmission.com> Cc: <stable@kernel.org> [2.6.27.x, 2.6.26.x. 2.6.25.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20pc8736x_gpio: add support for PC87365 chipsAndre Haupt
This is only compile tested, because I do not own appropriate hardware. Signed-off-by: Andre Haupt <andre@bitwigglers.org> Cc: Jim Cromie <jim.cromie@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20phonedev: remove BKLRichard Holden
The phone_device array is covered by the phone_lock mutex in all cases and request_module no longer needs the BKL so we can remove the only remaining instance of the BKL from phonedev. Signed-off-by: Richard Holden <aciddeath@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20fb: convert lock/unlock_kernel() into local fb mutexKrzysztof Helt
Change lock_kernel()/unlock_kernel() to local fb mutex. Each frame buffer instance has its own mutex. The one line try_to_load() function is unrolled to request_module() in two places for readability. [righi.andrea@gmail.com: fb: fix NULL pointer BUG dereference in fb_open()] Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Andrea Righi <righi.andrea@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20fb: push down the BKL in the ioctl handlerAlan Cox
Framebuffer is heavily BKL dependant at the moment so just wrap the ioctl handler in the driver as we push down. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Alan Cox <alan@redhat.com> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20gpiolib: fix oops in gpio_get_value_cansleep()David Brownell
We can get the following oops from gpio_get_value_cansleep() when a GPIO controller doesn't provide a get() callback: Unable to handle kernel paging request for instruction fetch Faulting instruction address: 0x00000000 Oops: Kernel access of bad area, sig: 11 [#1] [...] NIP [00000000] 0x0 LR [c0182fb0] gpio_get_value_cansleep+0x40/0x50 Call Trace: [c7b79e80] [c0183f28] gpio_value_show+0x5c/0x94 [c7b79ea0] [c01a584c] dev_attr_show+0x30/0x7c [c7b79eb0] [c00d6b48] fill_read_buffer+0x68/0xe0 [c7b79ed0] [c00d6c54] sysfs_read_file+0x94/0xbc [c7b79ef0] [c008f24c] vfs_read+0xb4/0x16c [c7b79f10] [c008f580] sys_read+0x4c/0x90 [c7b79f40] [c0013a14] ret_from_syscall+0x0/0x38 It's OK to request the value of *any* GPIO; most GPIOs are bidirectional, so configuring them as outputs just enables an output driver and doesn't disable the input logic. So the problem is that gpio_get_value_cansleep() isn't making the same sanity check that gpio_get_value() does: making sure this GPIO isn't one of the atypical "no input logic" cases. Reported-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: <stable@kernel.org> [2.6.27.x, 2.6.26.x, 2.6.25.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20gpio: modify sysfs gpio export so that "value" displays as 0 or 1Steven A. Falco
gpiolib can export GPIOs to userspace via sysfs. This patch modifies the gpio_value_show() so that any non-zero value is explicitly printed as "1", rather than whatever numerical value the lower-level driver returns. Signed-off-by: Steve Falco <sfalco@harris.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20rtc-cmos: export second NVRAM bankDavid Brownell
Teach rtc-cmos about the second bank of registers found on most modern x86 systems, giving access to 128 bytes more NVRAM. This version only sees that extra NVRAM when both register banks are provided as part of *one* PNP resource. Since BIOS on some systems presents them using two IO resources, and nothing merges them, this can't always show all the NVRAM. (We're supposed to be able to use PNP id PNP0b01 too, but BIOS tables doesn't often seem to use that particular option.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20Altix serial: fixroel kluin
In function sn_sal_switch_to_asynch(): drivers/serial/sn_console.c:713: HZ * SN_SAL_UART_FIFO_DEPTH / SN_SAL_UART_FIFO_SPEED_CPS; After preprocessing (see defines in patch) this becomes HZ * 16 / 9600 / 10 (associativity from left to right), not equivalent to HZ * 16 / 960. Looks-obviously-right-to: Tony Luck <tony.luck@intel.com> Cc: Jes Sorensen <jes@sgi.com> Acked-by: Pat Gefre <pfg@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20make probe_serial_gsc() staticAdrian Bunk
This patch makes the needlessly global probe_serial_gsc() static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20Char: sx, remove bogus iomapJiri Slaby
readl/writel are not expected to accept iomap return value. Replace bogus mapping by standard ioremap. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: <R.E.Wolff@BitWizard.nl> Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20hwmon: applesmc: lighter wait mechanism, drastic improvementHenrik Rydberg
The read fail ratio is sensitive to the delay between the first byte written and the first byte read; apparently the sensors cannot be rushed. Increasing the minimum wait time, without changing the total wait time, improves the fail ratio from a 8% chance that any of the sensors fails in one read, down to 0.4%, on a Macbook Air. On a Macbook Pro 3,1, the effect is even more apparent. By reducing the number of status polls, the ratio is further improved to below 0.1%. Finally, increasing the total wait time brings the fail ratio down to virtually zero. Signed-off-by: Henrik Rydberg <rydberg@euromail.se> Tested-by: Bob McElrath <bob@mcelrath.org> Cc: Nicolas Boichat <nicolas@boichat.ch> Cc: "Mark M. Hoffman" <mhoffman@lightlink.com> Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20hwmon: applesmc: Add support for Macbook Pro 3Henrik Rydberg
Add temperature sensor support for Macbook Pro 3. Signed-off-by: Henrik Rydberg <rydberg@euromail.se> Cc: Nicolas Boichat <nicolas@boichat.ch> Cc: Riki Oktarianto <rkoktarianto@gmail.com> Cc: Mark M. Hoffman <mhoffman@lightlink.com> Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20hwmon: applesmc: Add support for Macbook Pro 4Henrik Rydberg
Adds temperature sensor support for the Macbook Pro 4. Signed-off-by: Henrik Rydberg <rydberg@euromail.se> Cc: Nicolas Boichat <nicolas@boichat.ch> Cc: Riki Oktarianto <rkoktarianto@gmail.com> Cc: Mark M. Hoffman <mhoffman@lightlink.com> Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20drivers/hwmon/applesmc.c: remove unneeded castsAndrew Morton
dmi_system_id.driver_data is already void*. Cc: Henrik Rydberg <rydberg@euromail.se> Cc: Nicolas Boichat <nicolas@boichat.ch> Cc: Riki Oktarianto <rkoktarianto@gmail.com> Cc: Mark M. Hoffman <mhoffman@lightlink.com> Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20hwmon: applesmc: add support for Macbook AirHenrik Rydberg
This patch adds accelerometer, backlight and temperature sensor support for the Macbook Air. Signed-off-by: Henrik Rydberg <rydberg@euromail.se> Cc: Nicolas Boichat <nicolas@boichat.ch> Cc: Riki Oktarianto <rkoktarianto@gmail.com> Cc: Mark M. Hoffman <mhoffman@lightlink.com> Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20hwmon: applesmc: allow for variable ALV0 and ALV1 package lengthHenrik Rydberg
On some recent Macbooks, the package length for the light sensors ALV0 and ALV1 has changed from 6 to 10. This patch allows for a variable package length encompassing both variants. Signed-off-by: Henrik Rydberg <rydberg@euromail.se> Cc: Nicolas Boichat <nicolas@boichat.ch> Cc: Riki Oktarianto <rkoktarianto@gmail.com> Cc: Mark M. Hoffman <mhoffman@lightlink.com> Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20hwmon: applesmc: prolong status waitHenrik Rydberg
The time to wait for a status change while reading or writing to the SMC ports is a balance between read reliability and system performance. The current setting yields rougly three errors in a thousand when simultaneously reading three different temperature values on a Macbook Air. This patch increases the setting to a value yielding roughly one error in ten thousand, with no noticable system performance degradation. Signed-off-by: Henrik Rydberg <rydberg@euromail.se> Cc: Nicolas Boichat <nicolas@boichat.ch> Cc: Riki Oktarianto <rkoktarianto@gmail.com> Cc: Mark M. Hoffman <mhoffman@lightlink.com> Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20hwmon: applesmc: fix the 'wait status failed: c != 8' problemHenrik Rydberg
On many Macbooks since mid 2007, the Pro, C2D and Air models, applesmc fails to read some or all SMC ports. This problem has various effects, such as flooded logfiles, malfunctioning temperature sensors, accelerometers failing to initialize, and difficulties getting backlight functionality to work properly. The root of the problem seems to be the command protocol. The current code sends out a command byte, then repeatedly polls for an ack before continuing to send or recieve data. From experiments leading to this patch, it seems the command protocol never quite worked or changed so that one now sends a command byte, waits a little bit, polls for an ack, and if it fails, repeats the whole thing by sending the command byte again. This patch implements a send_command function according to the new interpretation of the protocol, and should work also for earlier models. Signed-off-by: Henrik Rydberg <rydberg@euromail.se> Cc: Nicolas Boichat <nicolas@boichat.ch> Cc: Riki Oktarianto <rkoktarianto@gmail.com> Cc: Mark M. Hoffman <mhoffman@lightlink.com> Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20hwmon: applesmc: specified number of bytes to read should match actualHenrik Rydberg
At one single place in the code, the specified number of bytes to read and the actual number of bytes read differ by one. This one-liner patch fixes that inconsistency. Signed-off-by: Henrik Rydberg <rydberg@euromail.se> Cc: Nicolas Boichat <nicolas@boichat.ch> Cc: Riki Oktarianto <rkoktarianto@gmail.com> Cc: Mark M. Hoffman <mhoffman@lightlink.com> Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20hwmon/pc87360 separate alarm files: add therm-min/max/crit-alarmsJim Cromie
Adds therm-min/max/crit-alarm callbacks, sensor-device-attribute declarations, and refs to those new decls in the macro used to initialize the therm_group (of sysfs files) The thermistors use voltage channels to measure; so they don't have a fault-alarm, but unlike the other voltages, they do have an overtemp, which we call crit (by convention). [akpm@linux-foundation.org: cleanup] Signed-off-by: Jim Cromie <jim.cromie@gmail.com> Cc: Jean Delvare <khali@linux-fr.org> Cc: "Mark M. Hoffman" <mhoffman@lightlink.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20hwmon/pc87360 separate alarm files: add dev_dbg helpJim Cromie
temp and vin status register values may be set by chip specifications, set again by bios, or by this previously loaded driver. Debug output nicely displays modprobe init=\d actions. Signed-off-by: Jim Cromie <jim.cromie@gmail.com> Cc: Jean Delvare <khali@linux-fr.org> Cc: "Mark M. Hoffman" <mhoffman@lightlink.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20hwmon/pc87360 separate alarm files: define LDNI_MAX constJim Cromie
Driver handles 3 logical devices in fixed length array. Give this a define-d constant. Signed-off-by: Jim Cromie <jim.cromie@gmail.com> Cc: Jean Delvare <khali@linux-fr.org> Cc: "Mark M. Hoffman" <mhoffman@lightlink.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20hwmon/pc87360 separate alarm files: add temp-min/max/crit/fault-alarmsJim Cromie
Adds temp-min/max/crit/fault-alarm callbacks, sensor-device-attribute declarations, and refs to those new decls in the macro used to initialize the temp_group (of sysfs files) [akpm@linux-foundation.org: cleanups] Signed-off-by: Jim Cromie <jim.cromie@gmail.com> Cc: Jean Delvare <khali@linux-fr.org> Cc: "Mark M. Hoffman" <mhoffman@lightlink.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20hwmon/pc87360 separate alarm files: add in-min/max-alarmsJim Cromie
Adds vin-min/max-alarm callbacks, sensor-device-attribute declarations, and refs to those new decls in the macro used to initialize the vin_group (of sysfs files) [akpm@linux-foundation.org: cleanups] Signed-off-by: Jim Cromie <jim.cromie@gmail.com> Cc: Jean Delvare <khali@linux-fr.org> Cc: "Mark M. Hoffman" <mhoffman@lightlink.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20hwmon/pc87360 separate alarm files: define some constantsJim Cromie
Bring hwmon/pc87360 into agreement with Documentation/hwmon/sysfs-interface. Patchset adds separate limit alarms for voltages and temps, it also adds temp[123]_fault files. On my Soekris, temps 1,2 are unused/unconnected, so temp[123]_fault = 1,1,0 respectively. This agrees with /usr/bin/sensors, which has always shown them as OPEN. Temps 4,5,6 are thermistor based, and dont have a fault bit in their status register. This patch: 2 different kinds of constants added: - CHAN_ALM_* constants for (later) vin, temp alarm callbacks. - CHAN_* conversion constants, used in _init_device, partly for RW1C bits Signed-off-by: Jim Cromie <jim.cromie@gmail.com> Cc: Jean Delvare <khali@linux-fr.org> Cc: "Mark M. Hoffman" <mhoffman@lightlink.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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