- 11 Jul, 2004 2 commits
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Russell King authored
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Dominik Brodowski authored
Patch from Dominik Brodowski
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- 06 Jul, 2004 4 commits
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Dominik Brodowski authored
Patch from Dominik Brodowski Add two further attributes, "card_insert" and "card_eject". Reading these files will fail; but writing _anything_ non-empty to these files will execute an user insert/ejection request -- equivalent to "cardctl insert", "cardctl eject". To ensure proper error values to userspace, transform the return values from CS_ error codes to -E error codes.
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Dominik Brodowski authored
Patch from Dominik Brodowski Add attributes "card_vpp" and "card_vcc" which return these voltages, like "3.3V"
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Dominik Brodowski authored
Patch from Dominik Brodowski Add an attribute "card_voltage" which returns the card's voltage requirements: "5.0V", "3.3V" or "X.XV".
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Dominik Brodowski authored
Patch from Dominik Brodowski Add a first socket-related sysfs entry; and to keep things ordered, do so in a new file drivers/pcmcia/socket_sysfs.c. To keep things easy, all files will be present all the time, even if no card is in the socket at a specific moment -- however, accessing the file will result in -ENODEV then, so that # cat /sys/class/pcmcia_socket/pcmcia_socket1/card_type will cause an error message like "cat: card_type: No such device" which is quite self-explanatory. The attribute "card_type" will return either "16-bit" or "32-bit", depending on whether the PCCard is a 16-bit PCMCIA card or a 32-bit CardBus card. The result "invalid" should not happen, and if it happens, something strange is going on.
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- 05 Jul, 2004 1 commit
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Dominik Brodowski authored
Patch from Dominik Brodowski Fail if registration of socket with driver core failed. This is necessary so that socket-related sysfs entries will appear always if a socket thread is up and running.
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- 04 Jul, 2004 3 commits
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Paul Mundt authored
include/linux/swap.h changed the definition for swap_unplug_io_fn() awhile back, but mm/nommu.c was never updated to reflect the new definition. As such, mm/nommu.c presently fails to compile. This fixes it. Signed-off-by:
Paul Mundt <lethal@linux-sh.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Christoph Hellwig authored
This fixes compilation on ppc32. The power/smp.o file should be linked only if both SMP and SWSUSPEND are configured in. It used to do it even without SWSUSPEND.
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bk://gkernel.bkbits.net/libata-2.6Linus Torvalds authored
into ppc970.osdl.org:/home/torvalds/v2.6/linux
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- 03 Jul, 2004 29 commits
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Jeff Garzik authored
The ->qc_issue hook was designed to allow drivers to override some or all of the actual delivery of the taskfile to hardware. In the case of Promise, the hardware has its own packet format when doing read/write DMA commands, but uses traditional ATA taskfile registers for other types of commands.
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Jeff Garzik authored
Move more SCSI-specific code out of libata core.
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Jeff Garzik authored
In part of the effort to remove SCSI specifics from the libata internals, remove references to cmd->use_sg. cmd->use_sg becomes ATA_QCFLAG_SG, and !cmd->use_sg becomes ATA_QCFLAG_SINGLE. Convenience constant ATA_QCFLAG_DMAMAP is created when the programmer wishes to refer collectively to ATA_QCFLAG_{SG,SINGLE}. -
Jeff Garzik authored
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Jeff Garzik authored
This is more conservative in general, and so applies to multiple controllers. Specifically it attempts to address irq-related issues on the Intel ICH5/6 hardware. On Intel ICH5/6, the BMDMA 'interrupt' status bit will be set even on non-DMA commands, which software (and I) did not expect. This change clears pending interrupts once upon initialization, and then each time ata_irq_on() is called.
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Paul Jackson authored
The remainder of the const qualifiers on cpumask ops. My cpumask overhaul missed specifying the const qualifiers in cpumask.h. Subsequently, Linus has added some. The following should provide the remainder of them. It also fixes one src vs dst variable misnaming. Using crosstool on 2.6.7-mm5, I have built the following arch's with the following change included: alpha ia64 powerpc-405 powerpc-750 sparc sparc64 x86_64 Signed-off-by:
Paul Jackson <pj@sgi.com> Signed-off-by:
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bk://bk.arm.linux.org.uk/linux-2.6-serialLinus Torvalds authored
into ppc970.osdl.org:/home/torvalds/v2.6/linux
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bk://bk.arm.linux.org.uk/linux-2.6-rmkLinus Torvalds authored
into ppc970.osdl.org:/home/torvalds/v2.6/linux
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Andrew Morton authored
arch/i386/kernel/apm.c: In function `suspend': arch/i386/kernel/apm.c:1221: warning: implicit declaration of function `save_processor_state' arch/i386/kernel/apm.c:1223: warning: implicit declaration of function `restore_processor_state' Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
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Adrian Bunk authored
s/2.5/2.6/ in MAINTAINERS Signed-off-by:
Adrian Bunk <bunk@fs.tum.de> Signed-off-by:
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Paul King authored
Add devfs support to telephony devices. Only tested with a single telephony device. Devices name phone/<minor>. Signed-off-by:
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James Bottomley authored
This new function fails to build on sparc64 due to nasty include dependencies. Fix that by uninlining it - it was too big for inlining anyway. Signed-off-by:
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Andrew Morton authored
Found by the Stanford locking checker Signed-off-by:
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Andrew Morton authored
Found by the Stanford locking checker Signed-off-by:
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Andrew Morton authored
Found by the Stanford locking checker. Signed-off-by:
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Andrew Morton authored
Fix deadlock identified by the Stanford locking checker. Signed-off-by:
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Andrew Morton authored
Lamely fix a straightforward deadlock in sb_audio.c. Founf by the Stanford locking checker. Signed-off-by:
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Andrew Morton authored
Fix deadlock identified by the Stanford locking checker. Signed-off-by:
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Andrew Morton authored
Found by the new Stanford locking checker. Minimal fix for a deadlock in sysvfs: get_branch() can take read_lock(&pointers_lock), but one caller already has a write_lock. Perhaps some of the "oh we raced, drop everything and try again" logic in there can go away now, but this is enugh to fix the obvious deadlock. Signed-off-by:
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Antonino Daplas authored
I did some simple benchmarking (time cat linux-2.6.7-mm5/MAINTAINERS) between 2.4 and 2.6 and I am not satisfied with what I see (It's claimed that fbdev-2.6 is faster than 2.4). The reason for the claim: 2.4 putcs - draw small amounts of data a lot of times 2.6 putcs - draw larger amounts of data a fewer times The way characters are drawn in 2.6 is optimal for accelerated drivers but should also give a speed boost for drivers that rely on software drawing. However the penaly incurred when preparing a large bitmap from a number of small bitmaps is currently very high. This is because of the following reasons: 1 fb_move_buf_{aligned|unaligned} uses pixmap->{out|in}buf. This is very expensive since outbuf and inbuf methods process only a byte or 2 of data at a time. 2 fb_sys_outbuf (the default method for pixmap->outbuf) uses memcpy(). Not a good choice if moving only a few bytes. 3 fb_move_buf_unaligned (used for fonts such as 12x22) also involves a lot of bit operations + a lot of calls to outbuf/inbuf which proportionately increases the penaly. So, I thought of separating fb_move_buf_* to fb_iomove_buf_* and fb_sysmove_buf_*. fb_iomove_buf_* - used if drivers specified outbuf and inbuf methods fb_sysmove_buf_* - used if drivers have no outbuf or inbuf methods *Most, if not all drivers fall in the second category. Below is a table that show differences between 2.4, 2.6 and 2.6 + abovementioned changes. To reduce the effect of panning and fillrect/copyarea, the scrollmode is forced to redraw. ================================================================= Test Hardware: P4 2G nVidia GeForce2 MX 64 Scrollmode: redraw time cat linux-2.6.7-mm5/MAINTAINERS 1024x768-8 1024x768-16 1024x768-32 ================================================================= 8x16 noaccel (2.4) real 0m5.490s real 0m8.535s real 0m15.388s user 0m0.001s user 0m0.000s user 0m0.001s sys 0m5.487s sys 0m8.535s sys 0m15.386s 8x16 noaccel (2.6) real 0m5.166s real 0m7.195s real 0m12.177s user 0m0.001s user 0m0.000s user 0m0.000s sys 0m5.164s sys 0m7.192s sys 0m12.176s 8x16 noaccel+patch (2.6) real 0m3.474s real 0m5.496s real 0m10.460s user 0m0.001s user 0m0.001s user 0m0.001s sys 0m5.492s sys 0m5.492s sys 0m10.454s ================================================================= 8x16 accel (2.4) real 0m4.368s real 0m9.420s real 0m22.415s user 0m0.001s user 0m0.001s user 0m0.001s sys 0m4.019s sys 0m9.384s sys 0m22.312s 8x16 accel (2.6) real 0m4.296s real 0m4.339s real 0m4.391s user 0m0.001s user 0m0.001s user 0m0.000s sys 0m4.280s sys 0m4.336s sys 0m4.389s 8x16 accel+patch (2.6) real 0m2.536s real 0m2.649s real 0m2.799s user 0m0.000s user 0m0.000s user 0m0.001s sys 0m2.536s sys 0m2.645s sys 0m2.798s ================================================================= 1024x768-8 1024x768-16 1024x768-32 ================================================================= 12x22 noaccel (2.4) real 0m7.883s real 0m12.175s real 0m21.134s user 0m0.000s user 0m0.000s user 0m0.001s sys 0m7.882s sys 0m12.174s sys 0m21.129s 12x22 noaccel (2.6) real 0m10.651s real 0m13.550s real 0m21.009s user 0m0.001s user 0m0.001s user 0m0.000s sys 0m10.617s sys 0m13.545s sys 0m21.008s 12x22 noaccel+patch (2.6) real 0m4.794s real 0m7.718s real 0m15.173s user 0m0.002s user 0m0.001s user 0m0.000s sys 0m4.792s sys 0m7.715s sys 0m15.170s ================================================================= 12x22 accel (2.4) real 0m3.971s real 0m9.030s real 0m21.711s user 0m0.000s user 0m0.000s user 0m0.000s sys 0m3.950s sys 0m8.983s sys 0m21.602s 12x22 accel (2.6) real 0m9.392s real 0m9.486s real 0m9.508s user 0m0.000s user 0m0.000s user 0m0.001s sys 0m9.392s sys 0m9.484s sys 0m9.484s 12x22 accel+patch (2.6) real 0m3.570s real 0m3.603s real 0m3.848s user 0m0.001s user 0m0.000s user 0m0.000s sys 0m3.567s sys 0m3.600s sys 0m3.844s ================================================================= Summary: 1 2.6 unaccelerated is a bit faster than 2.4 when handling 8x16 fonts, with a higher speed differential at high color depths. 2 2.4 unaccelerated is a bit faster than 2.6 when handling 12x22 fonts, with a smaller speed difference at high color depths (2.6 is actually a bit faster than 2.4 at 32bpp). 3 2.4 rivafb accelerated suffers at high color depths, even becoming slower than unaccelerated, possibly because of the 'draw few bytes many times' method. 4 2.6 rivafb accelerated has similar performance at any color depth, possibly because of 'draw lots of bytes a fewer times' method. 5 With the changes, there is a speed gain of ~1.7 seconds and ~5.7 seconds with 8x16 and 12x22 fonts respectively indepependent of the color depth or acceleration used. The speed gain is constant but significant. Below is a patch against 2.6.7-mm5. The effects will be very noticeable with drivers that uses SCROLL_REDRAW, but one should still see some speed gain even if SCROLL_YPAN/YWRAP is used. Separated fb_sys_move_* into fb_iosys_move_* and fb_sysmove_* to reduce penalty when constructing fb_image->data from character maps. In my testcase (1024x768 SCROLL_REDRAW), I get a ~1.7 second advantage with 'time cat MAINTAINERS' using 8x16 fonts and ~5.7 seconds with 12x22 fonts. The speed gain is independent of acceleration or color depth. Signed-off-by:Antonino Daplas <adaplas@pol.net> Signed-off-by:
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Adrian Bunk authored
Signed-off-by:
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Adrian Bunk authored
Signed-off-by:
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Andrew Morton authored
rmk's patch found a defined-but-unimplemented symbol Signed-off-by:
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Jan Kara authored
It fixes a possible race between quotaoff and prune_icache. The race could lead to some forgotten pointers to quotas in inodes leading later to BUG when invalidating quota structures. Signed-off-by:
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Martin J. Bligh authored
Based on work from Bill Irwin <wli@holomorphy.com> physnode_map[] needs to be signed so that pfn_to_nid() can return negative values used to detect invalid pfn's. Signed-off-by:
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Matt Porter authored
This patch enables the Redwood 5 and Redwood 6 platforms to use the smc91x ethernet driver. Signed-off-by:
Dale Farnsworth <dale@farnsworth.org> Signed-off-by:
Matt Porter <mporter@kernel.crashing.org> Signed-off-by:
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Paul Mackerras authored
We have a platform-specific function pointer on ppc64 for a function to log errors detected by the platform, but it was never getting set. This patch sets it on pSeries (the only ppc64 platform which has an error logging function). Signed-off-by:
Paul Mackerras <paulus@samba.org> Signed-off-by:
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Paul Mackerras authored
From: Linas Vepstas <linas@austin.ibm.com> This patch eliminates the usage of the deprecated ibm,fw-phb-id token for idnetifying PCI bus heads in favor of the documented, offically supported mechanism for obtaining this info. Please note that some versions of firmware may return incorrect values for the ibm,fw-phb-id token. Signed-off-by:
Linas Vepstas <linas@linas.org> Signed-off-by:
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Andrew Morton authored
gcc-2.95 chokes on this. Cc: Anton Altaparmakov <aia21@cantab.net> Signed-off-by:
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- 02 Jul, 2004 1 commit
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Ricky Beam authored
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