- 20 Jun, 2004 40 commits
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Gerd Knorr authored
This patch updates the ir-kbd-gpio and ir-kbd-i2c drivers. Nothing major, just some keytable fixes and support for more hardware. Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Gerd Knorr authored
This is a update of the bttv driver. Changes: * some card-specific fixes + new cards. * separate buffer switching for video frames and vbi data, that should make bttv less sensitive to high irq latencies. Signed-off-by:
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Gerd Knorr authored
This is a big update for the tuner and tda9887 modules which are used for TV card tuning. The tda9887 module is basically completely rewritten and understands all the config bits now instead of having just some fixed config presets. Some of these config bits can be changed by insmod options now. The other big change is that both modules allow to use the V4L2 API for inter-module communication (i.e. when bttv/saa7134/... pass through the tuning ioctls to the modules). That allows to specify the TV norm more precisely (not just PAL but PAL-I, PAL-BG, ...), which is needed in some cases to make TV audio work correctly. Using the old v4l1 API is still possible so this shouldn't break any users of these two modules. Signed-off-by:
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Gerd Knorr authored
Some minor changes for the ir-common module: Update for the RC5 keytable and increase the IR_KEYTAB_SIZE #define. Signed-off-by:
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Gerd Knorr authored
This patch has some cleanups for the msp3400 module: Balance is used directly now instead of maintaining the state as left/right volume and calculate the balance from that. The msp3400 did that only for historical reasons and it isn't needed any more ... Credits for that go to Perry Gilfillan. Signed-off-by:
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Gerd Knorr authored
This patch has some minor bugfixes for the video-buf module. Signed-off-by:
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Gerd Knorr authored
This patch adds some magic IDs and checks for them to the data structs of the video-buf module. Signed-off-by:
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Gerd Knorr authored
This patch updates the video-buf module to support the per-frame input switching added by the v4l2 API patch. Signed-off-by:
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Gerd Knorr authored
This patch has some minor updates to v4l2 API: * A new pixel format (V4L2_PIX_FMT_SBGGR8). * Adds some #defines for tv norms for convenience. * Allow to specify the video source to capture from on a per-frame basis. Signed-off-by:
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Jens Axboe authored
This patch is from James, I've changed it slightly only. The problem is that some IOMMU implementations have a maximum limit to the size of the number of contiguously mappable pages (admittedly, this limit is mostly in the resource management algorithms rather than the IOMMUs themselves). This patch adds this concept to the bio layer via the parameter BIO_VMERGE_MAX_SIZE which architectures can define in asm/io.h (if undefined, we assume it to be infinite, which is current behaviour). While adding this, I noticed several places where bio was making incorrect assumptions about virtual mergeability (none of which was a bug: bio was overestimating rather than underestimating). - The worst offender was bio_add_page(), which seemed never to check for virtual mergeability - I also fixed blk_hw_contig_segments() not to check the QUEUE_CLUSTER flag, and not to check the phys segment boundary. In order to track the hw segment size across bios, I had to introduce two extra bio parameters: bi_hw_front_size and bi_hw_back_size which store the sizes of the front and back hw contiguous segments (and which will be equal if there's only one hw segment). When the bio is merged into a request, these fields are updated with the total hw contig size so they can always be used to assess if the merger would violate the BIO_VMERGE_MAX_SIZE parameter. Signed-Off-By:
Jens Axboe <axboe@suse.de> Signed-off-by:
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Dean Nelson authored
This patch defines a macro that does exactly what wait_event_interruptible() does except that it adds the current task to the wait queue as an exclusive task (i.e., sets the WQ_FLAG_EXCLUSIVE flag) rather than as a non-exclusive task as wait_event_interruptible() does. This allows one to do a wake_up_nr() to wake up a specific number of tasks. I'm in the process of submitting a patch to linux-ia64 that requires this capability. (Its subject line is "[PATCH 3/4] SGI Altix cross partition functionality".) Signed-off-by:
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Mika Kukkonen authored
Cleanup arch/i386/kernel/setup.c a little bit by: * un-inlining machine_specific_memory_setup() (it's implementations are pretty big to be inlined anyway) * remove setup_memory_region() by moving the code inside setup_arch() I would also recommend BK-renaming all four files (include/asm-i386/*/setup_arch_post.h) to ".c" and moving them into arch/i386/*/, but that obviously is not needed in anyway. But IMHO they are clearly ".c" files, not ".h" files. Signed-off-by:
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Mark W. McClelland authored
This patch adds a new driver for the OmniVision OV6xx0 and OV7xx0 series of CMOS image sensors. It is currently used by the w9968cf USB webcam driver, which is already in mainline 2.6. Up until now it had to be compiled outside the kernel tree, which is clearly suboptimal. It is also used by version 2 of the ov511 USB webcam driver, which will be merged in the near future. That will reduce some code duplication, since the existing ov511 has much of this code built-in. This was previously submitted to Linux-USB-Devel, and I have fixed the concerns that came up at that time. Developer's Certificate of Origin 1.0 By making a contribution to this project, I certify that: (a) The contribution was created in whole or in part by me and I have the right to submit it under the open source license indicated in the file; or (b) The contribution is based upon previous work that, to the best of my knowledge, is covered under an appropriate open source license and I have the right under that license to submit that work with modifications, whether created in whole or in part by me, under the same open source license (unless I am by me, under the same open source license (unless I am permitted to submit under a different license), as indicated in the file; or (c) The contribution was provided directly to me by some other person who certified (a), (b) or (c) and I have not modified it. Signed-off-by:Mark McClelland <mark@alpha.dyndns.org> Signed-off-by:
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Andrew Morton authored
People like to use swapoff/swapon as a way of restoring their VM to a predictable "preconditional" state. Problem is, swapoff leaves mapped anon/pagecache pages on the inactive list, so they immediately get swapped out again when swapspace becomes available. Let's move these pages onto the active list to the VM has to again decide whether to swap them out. Signed-off-by:
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Dave Kleikamp authored
Signed-off-by:
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Alexander Viro authored
But Al fixed it again. Signed-off-by:
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Paul Fulghum authored
Allow receive and write_wakeup callbacks to be called at hard interrupt context and/or with interrupts disabled (removes softirq warning). This mirrors changes by Paul Mackerras to ppp_async.c for the same purpose. Patch has been previously posted for comments and has been tested with success by multiple persons. Signed-off-by:
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Cesar Eduardo Barros authored
This patch adds support for the O_NOATIME open flag (GNU extension): int O_NOATIME Macro If this bit is set, read will not update the access time of the file. See File Times. This is used by programs that do backups, so that backing a file up does not count as reading it. Only the owner of the file or the superuser may use this bit. It is useful if you want to do something with the file atime (for instance, moving files that have not been accessed in a while to somewhere else, or something like Debian's popularity-contest) but you also want to read all files periodically (for instance, tripwire or debsums). Currently, the program that reads all files periodically has to use utimes, which can race with the atime update: A B open fstat read open read close close utimes And the file still has the old atime, instead of the new one from when B did the read from it. This problem does not happen if A uses O_NOATIME instead of utimes to preserve the atime. This patch adds the O_NOATIME constant for all architectures, but it would also be possible to add it one architecture at a time by defining it to 0 when not defined in asm-*. Based on patch by Marek Michalkiewicz <marekm@i17linuxb.ists.pwr.wroc.pl> at http://www.uwsg.iu.edu/hypermail/linux/kernel/9811.2/0118.htmlSigned-off-by: -
David Howells authored
Here's a patch to allocate memory for big system hash tables with the bootmem allocator rather than with main page allocator. It is needed for three reasons: (1) So that the size can be bigger than MAX_ORDER. IBM have done some testing on their big PPC64 systems (64GB of RAM) with linux-2.4 and found that they get better performance if the sizes of the inode cache hash, dentry cache hash, buffer head hash and page cache hash are increased beyond MAX_ORDER (order 11). Now the main allocator can't allocate anything larger than MAX_ORDER, but the bootmem allocator can. In 2.6 it appears that only the inode and dentry hashes remain of those four, but there are other hash tables that could use this service. (2) Changing MAX_ORDER appears to have a number of effects beyond just limiting the maximum size that can be allocated in one go. (3) Should someone want a hash table in which each bucket isn't a power of two in size, memory will be wasted as the chunk of memory allocated will be a power of two in size (to hold a power of two number of buckets). On the other hand, using the bootmem allocator means the allocation will only take up sufficient pages to hold it, rather than the next power of two up. Admittedly, this point doesn't apply to the dentry and inode hashes, but it might to another hash table that might want to use this service. I've coelesced the meat of the inode and dentry allocation routines into one such routine in mm/page_alloc.c that the the respective initialisation functions now call before mem_init() is called. This routine gets it's approximation of memory size by counting up the ZONE_NORMAL and ZONE_DMA pages (and ZONE_HIGHMEM if requested) in all the nodes passed to the main allocator by paging_init() (or wherever the arch does it). It does not use max_low_pfn as that doesn't seem to be available on all archs, and it doesn't use num_physpages since that includes highmem pages not available to the kernel for allocating data structures upon - which may not be appropriate when calculating hash table size. On the off chance that the size of each hash bucket may not be exactly a power of two, the routine will only allocate as many pages as is necessary to ensure that the number of buckets is exactly a power of two, rather than allocating the smallest power-of-two sized chunk of memory that will hold the same array of buckets. The maximum size of any single hash table is given by MAX_SYS_HASH_TABLE_ORDER, as is now defined in linux/mmzone.h. Signed-off-by:Paul Mackerras <paulus@samba.org> Signed-off-by:
David Howells <dhowells@redhat.com> Signed-off-by:
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Daniel Ritz authored
enable read prefetching on O2micro bridges. It fixes the problems seen with the RME Hammerfall DSP. Thanks to Eric Still from O2micro for the input. Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by:
Daniel Ritz <daniel.ritz@gmx.ch> Signed-off-by:
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Andrey Panin authored
Example code for the new DMI APU - port HP Pavilion irq workaround to new DMI probing. Signed-off-by:
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Andrey Panin authored
This patch creates and exports 2 functions which can be used by the rest of kernel code to perform DMI data checks: - dmi_check_system() function checks system DMI data against given blacklist table and on each match runs corresponding callback function; - dmi_get_system_info() function returns DMI data value. Useful for people wanting more complex DMI data check than simple string match. Also filling unused match entries with NO_MATCH made optional, but existing NO_MATCH occurences are left intact, so people are free to continue dmi_scan.c patching without massive reject problems. Signed-off-by:
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Andrew Morton authored
In file included from include/asm/io.h:365, from drivers/video/kyro/STG4000Reg.h:23, from drivers/video/kyro/STG4000Ramdac.c:16: include/asm/eeh.h:58: warning: `struct device_node' declared inside parameter list include/asm/eeh.h:58: warning: its scope is only this definition or declaration, which is probably not what you want Signed-off-by: -
Andrew Morton authored
With CONFIG_ALTIVEC=n, flush_altivec_to_thread() has no implementation. Signed-off-by:
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bk://kernel.bkbits.net/davem/sparc-2.6Linus Torvalds authored
into ppc970.osdl.org:/home/torvalds/v2.6/linux
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Arthur Kepner authored
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bk://kernel.bkbits.net/acme/net-2.6David S. Miller authored
into nuts.davemloft.net:/disk1/BK/net-2.6
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Arnaldo Carvalho de Melo authored
Signed-off-by:Arnaldo Carvalho de Melo <acme@conectiva.com.br>
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Arnaldo Carvalho de Melo authored
This one also removes the duplicate can_coalesce in tcp.c and makes it use skb_can_coalesce. Signed-off-by: -
David S. Miller authored
into nuts.davemloft.net:/disk1/BK/net-2.6
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bk://kernel.bkbits.net/acme/net-2.6-1.1768David S. Miller authored
into nuts.davemloft.net:/disk1/BK/acme-2.6
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David S. Miller authored
into kernel.bkbits.net:/home/davem/sparc-2.6
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David S. Miller authored
We might have to clear the flag, and if we do not then subsequent syscalls can get confused. Bug easily triggered by suspending emacs in a pty and then resuming, select() returns due to a pending signal but because _TIF_SYSCALL_SUCCESS is erroneously set by a previous syscall -514 ends up slipping into userspace. Oops.
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Geert Uytterhoeven authored
M68k I/O abstraction updates: - Make I/O ports and addresses `unsigned long' - Add casts to make operations warning-compatible with other archs - Add {in,out}[wl]_p() and {in,out}l(), which are needed for some drivers Signed-off-by:Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
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Geert Uytterhoeven authored
M68k: Add missing atomic operations (from Roman Zippel and me) and replace `__inline__' by `inline' while we're at it. Signed-off-by:
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Geert Uytterhoeven authored
Mac IOP: Fix copy-and-paste bug (found by OPERA, reported by Zhenmin Li, confirmed by Brad Boyer) Signed-off-by:
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Geert Uytterhoeven authored
M68k: Make sparse work Signed-off-by:
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Geert Uytterhoeven authored
Mac Sonic Ethernet: Kill duplicate `MODULE_LICENSE("GPL");' (already defined in included sonic.c) which causes a compile failure Signed-off-by: -
Geert Uytterhoeven authored
AFFS: Fix oops on write after remount (from Roman Zippel): - Allocate/free bitmap as necessary - Remove last uses of SF_READONLY Signed-off-by:
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Geert Uytterhoeven authored
M68k: From 2.6.7-rc1 on, it's no longer allowed to access page->count directly Signed-off-by:
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