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* [SERIAL] Update serial_core documentationRussell King2005-10-311-9/+57
| | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [SERIAL] Arrange better identification of portsRussell King2005-10-311-1/+3
| | | | | | | | | | Folk seem to get confused when they see two or more ttyS0 ports appearing at boot time. One comes from the legacy table, and one from PNP. Hence, display the bus ID of the device which supplied the port. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* powerpc: import a fix from arch/ppc/mm/pgtable.cPaul Mackerras2005-10-311-3/+1
| | | | | | ... namely, the change to the 2-argument pte_alloc_kernel. Signed-off-by: Paul Mackerras <paulus@samba.org>
* powerpc: apply recent changes to merged codePaul Mackerras2005-10-316-12/+6
| | | | Signed-off-by: Paul Mackerras <paulus@samba.org>
* Merge ../linux-2.6 by handPaul Mackerras2005-10-312476-58503/+118063
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| * Merge master.kernel.org:/home/rmk/linux-2.6-serialLinus Torvalds2005-10-301-2/+1
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| | * [SERIAL] remove unneeded code from serial_core.cJayachandran C2005-10-301-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes an issue reported by Coverity in serial/serial_core.c Error reported: Variable "&((info)->tty)->flags" tracked as NULL was passed to a function that dereferences it. The later statements in the function assumes 'info->tty != NULL', so this check is not necessary. Probably a 'BUG_ON(info->tty == NULL)' can be added. Signed-off-by: Jayachandran C. <c.jayachandran at gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2005-10-3027-467/+557
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| | * | [ARM] arch-ixp4xx/io.h: make const args const to remove compiler warningJohn Bowler2005-10-301-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Compiler warning fix; the inline callers of these APIs were changed to have const vaddr parameters. Signed-off-by: John Bowler <jbowler@acm.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * | [ARM] Support pcmcia slot on sharp sl-5500Pavel Machek2005-10-303-1/+38
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds support for pcmcia slot on sharp zaurus sl-5500. pxa2xx_sharpsl.c thus becomes quite miss-named, but I guess that is not worth fixing? Signed-off-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * | [ARM] Sharp sl-5500 touchscreen supportPavel Machek2005-10-301-21/+53
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds support for sharp zaurus sl-5500 touchscreen. It introduces some not-too-nice ifs, but I guess copying whole ucb1x00-ts.c would be bad idea... Signed-off-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * | [ARM] fix ixp2x00 defconfig NR_UARTS optionsDeepak Saxena2005-10-302-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | IXDP2[48]00 have only 1 UART on the board. Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * | [ARM] fix bogus cast in IXP2000 I/O macroDeepak Saxena2005-10-301-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Physical addresses are not valid pointers of any sort and should not be cast to such. Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * | [ARM] 3049/1: More optimized libgcc functionsNicolas Pitre2005-10-3011-312/+223
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Nicolas Pitre This patch gets rid of the last C implementations of needed libgcc functions for the kernel, replacing them with optimized assembly versions. Those functions are: __ashldi3 __ashrdi3 __lshrdi3 __muldi3 __ucmpdi2 The first 3 were lifted from gcc, the other two were written from scratch. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * | [ARM] Clean up dmabounceRussell King2005-10-301-79/+86
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Encapsulate pool data into dmabounce_pool. Only account successful allocations. Use dma_mapping_error(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * | [ARM] Turn ARM RiscPC PCF8583 i2c RTC driver into a proper moduleRussell King2005-10-301-17/+63
| | | | | | | | | | | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * | [ARM] Make v6 copypage function static and cleanup pgprotsRussell King2005-10-301-9/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We know what pgprot we're going to use, so don't #define it. Also, since we select the nonaliasing/aliasing copypage implementation at run time, there's no point having it globally visible. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * | [ARM] Re-organise die()Russell King2005-10-301-12/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Provide __die() which can be called from various contexts to provide an oops report. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * | [ARM] 3069/1: Add spitz irda platform supportRichard Purdie2005-10-301-0/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Richard Purdie Add spitz irda platform support Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * | [ARM] 3068/1: Add corgi irda platform supportRichard Purdie2005-10-301-0/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Richard Purdie Add corgi irda platform support Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * | [ARM] 3067/1: Add poodle irda platform supportRichard Purdie2005-10-301-0/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Richard Purdie Add poodle irda platform support Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * | [ARM] 3066/1: Fix PXA irda driver suspend/resume functionsRichard Purdie2005-10-301-10/+4
| | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Richard Purdie Update the PXA irda driver to match the recent platform device suspend/resume level changes. Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | Merge master.kernel.org:/home/rmk/linux-2.6-mmcLinus Torvalds2005-10-302-3/+8
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| | * | [MMC] Use command class to determine read-only statusPierre Ossman2005-10-301-2/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a card doesn't support the "write block" command class then any attempts to open the device should reflect this by denying write access. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * | [MMC] pxamci doesn't need to include asm/irq.hRussell King2005-10-301-1/+0
| | |/ | | | | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [PATCH] fat: Remove duplicate directory scanning codePekka Enberg2005-10-301-123/+101
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch removes duplicate directory scanning code from fs/fat/dir.c. The two functions that share identical code are fat_readdirx() and fat_search_long(). This patch also renames fat_readdirx to __fat_readdir(). Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] fat: remove the unneeded vfat_find() in vfat_rename()OGAWA Hirofumi2005-10-302-21/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | Now, vfat_rename() is using vfat_find() for sanity check. This removes that sanity check, the cost of sanity check is too high. Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] fat: cleanup and optimization of checksumOGAWA Hirofumi2005-10-303-10/+14
| | | | | | | | | | | | | | | | | | Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] fix missing includesTim Schmielau2005-10-30180-18/+299
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I recently picked up my older work to remove unnecessary #includes of sched.h, starting from a patch by Dave Jones to not include sched.h from module.h. This reduces the number of indirect includes of sched.h by ~300. Another ~400 pointless direct includes can be removed after this disentangling (patch to follow later). However, quite a few indirect includes need to be fixed up for this. In order to feed the patches through -mm with as little disturbance as possible, I've split out the fixes I accumulated up to now (complete for i386 and x86_64, more archs to follow later) and post them before the real patch. This way this large part of the patch is kept simple with only adding #includes, and all hunks are independent of each other. So if any hunk rejects or gets in the way of other patches, just drop it. My scripts will pick it up again in the next round. Signed-off-by: Tim Schmielau <tim@physik3.uni-rostock.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] Remove duplicate code in signal.cPaul E. McKenney2005-10-301-11/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | Combine a bit of redundant code between force_sig_info() and force_sig_specific(). Signed-off-by: paulmck@us.ibm.com Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] remove unneeded SI_TIMER checksOleg Nesterov2005-10-301-18/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch removes checks for ->si_code == SI_TIMER from send_signal, specific_send_sig_info, __group_send_sig_info. I think posix-timers.c used these functions some time ago, now it sends signals via send_{,group_}sigqueue, so these hooks are unneeded. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] cleanup the usage of SEND_SIG_xxx constantsOleg Nesterov2005-10-303-13/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patch simplifies some checks for magic siginfo values. It should not change the behaviour in any way. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] remove hardcoded SEND_SIG_xxx constantsOleg Nesterov2005-10-303-22/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch replaces hardcoded SEND_SIG_xxx constants with their symbolic names. No changes in affected .o files. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] hpet: hpet driver cleanupsRandy Dunlap2005-10-301-30/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Use kzalloc() instead of kmalloc + memset. - Clean/fix some printk's. - Use NULL for pointers instead of 0. - Combine hpet busy searching locations into a function call. Signed-off-by: Randy Dunlap <randy_d_dunlap@linux.intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] hpet: use HPET physical addresses for dup. detectionRandy Dunlap2005-10-301-5/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Use HPET physical address to detect duplicates, not logical addresses. Using logical (mapped) addresses fails to detect duplicates because ioremap() returns a new mapped address each time. - iounmap() regions when duplicate/busy areas are found. Signed-off-by: Randy Dunlap <randy_d_dunlap@linux.intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] hpet: allow HPET FIXED_MEM32 resource typeRandy Dunlap2005-10-301-0/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allow the ACPI HPET description table to use a resource type of FIXED_MEM32 for the HPET reource. Use the fixed resoure size of 1 KB for the HPET resource as per the HPET spec. Signed-off-by: Randy Dunlap <randy_d_dunlap@linux.intel.com> Acked-by: Bob Picco <bob.picco@hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] hpet: simplify initialization messageClemens Ladisch2005-10-301-5/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When booting, display the timer frequency in Hertz instead of as tick length in nanoseconds. Apart from saving a local variable, this makes the message more easily comprehensible. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Cc: Bob Picco <bob.picco@hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] hpet: remove superfluous indirectionsClemens Ladisch2005-10-301-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In the hpet_ioctl_common() function, devp->hd_hpets is already cached in the hpetp variable, so we can use just that. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Cc: Bob Picco <bob.picco@hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] hpet: fix access to multiple HPET devicesClemens Ladisch2005-10-301-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix two instances where a function would access the first HPET device instead of the current one. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Cc: Bob Picco <bob.picco@hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] hpet: fix uninitialized variable in hpet_register()Clemens Ladisch2005-10-301-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Clear the ht_opaque field in the hpet_register() function before searching for a free timer to prevent the function from incorrectly assuming that the search succeeded afterwards. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Cc: Bob Picco <bob.picco@hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] hpet: fix division by zero in HPET_INFOClemens Ladisch2005-10-301-2/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix a division by zero that happened when the HPET_INFO ioctl was called before a timer frequency had been set. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Cc: Bob Picco <bob.picco@hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] hpet: fix HPET_INFO calls from kernel spaceClemens Ladisch2005-10-301-2/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix a wrong memory access in hpet_ioctl_common(). It was not possible to use the HPET_INFO ioctl from kernel space because it always called copy_to_user(). Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Cc: Bob Picco <bob.picco@hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] hpet-RTC: cache the comparator registerClemens Ladisch2005-10-302-2/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reads from an HPET register require a round trip to the south bridge and are almost as slow as PCI reads. By caching the last value we've written to the comparator register, we can eliminate all HPET reads from the fast path in the emulated RTC interrupt handler. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] hpet-RTC: fix timer config register accessesClemens Ladisch2005-10-302-14/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make sure that the RTC timer is in non-periodic mode; some stupid BIOS might have initialized it to periodic mode. Furthermore, don't set the SETVAL bit in the config register. This wouldn't have any effect unless the timer was in period mode (which it isn't), and then the actual timer frequency would be half that of the desired one because incrementing the comparator in the interrupt handler would be done after the hardware has already incremented it itself. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] hpet-RTC: disable interrupt when no longer neededClemens Ladisch2005-10-302-2/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When the emulated RTC interrupt is no longer needed, we better disable it; otherwise, we get a spurious interrupt whenever the timer has rolled over and reaches the same comparator value. Having a superfluous interrupt every five minutes doesn't hurt much, but it's bad style anyway. ;-) Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Acked-by: "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com> Cc: Andi Kleen <ak@muc.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] hpet: allow shared interruptsClemens Ladisch2005-10-301-7/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for shared HPET interrupts. The driver previously acknowledged interrupts for both edge and level interrupts, but didn't actually allow a shared interrupt in the latter case. We use a new per-timer flag to save whether the timer's interrupt might be shared, and use it to do the processing required for level interrupts only if necessary. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Acked-by: Bob Picco <bob.picco@hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] hpet: allow non-power-of-two frequenciesClemens Ladisch2005-10-301-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It was only the RTC hardware that restricted interrupt frequencies to a power of two. There is no reason to take over this restriction into the HPET driver, so remove the offending check. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Acked-by: Bob Picco <bob.picco@hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] hpet: remove superfluous register readsClemens Ladisch2005-10-301-4/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch removes several reads of a timer's config register that serve no purpose whatsoever. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Acked-by: Bob Picco <bob.picco@hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] hpet: remove unused variableClemens Ladisch2005-10-301-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | The variable hpet_ntimer is never read, so remove it. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Acked-by: Bob Picco <bob.picco@hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] HPET: make frequency calculations 32 bit safeClemens Ladisch2005-10-301-13/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On 32-bit architectures, the multiplication in the argument for hpet_time_div() often overflows. In the typical case of a 14.32 MHz timer, this happens when the desired frequency exceeds 61 Hz. To avoid this multiplication, we can precompute and store the hardware timer frequency, instead of the period, in the device structure, which leaves us with a simple division when computing the number of timer ticks. As a side effect, this also removes a theoretical bug where the timer interpolator's frequency would be computed as a 32-bit value even if the HPET frequency is greater than 2^32 Hz (the HPET spec allows up to 10 GHz). Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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