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2007-07-09IB: Fix ib_umem_get() when npages == 0Andrew Morton
gcc correctly warned: drivers/infiniband/core/umem.c: In function 'ib_umem_get': drivers/infiniband/core/umem.c:78: warning: 'ret' may be used uninitialized in this function Set ret to 0 in case npages == 0 and the loop isn't entered at all. Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-07-09IB: Remove garbage non-ASCII characters from commentsRoland Dreier
A few files had 0xa0 characters in comments. Remove them so that the files are clean ASCII text. Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-07-09IB/ehca: Refactor "maybe missed event" codeJoachim Fenkes
Refactor the ehca changes from commit ed23a727 ("IB: Return "maybe missed event" hint from ib_req_notify_cq()") so the queue arithmetic is done in slightly fewer lines. Also, move the spinlock flags into the block they're used in. Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-07-09IB/mad: Enhance SMI for switch supportHal Rosenstock
Extend the SMI with switch (intermediate hop) support. Care has been taken to ensure that the CA (and router) code paths are changed as little as possible. Signed-off-by: Suresh Shelvapille <suri@baymicrosystems.com> Signed-off-by: Hal Rosenstock <halr@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-07-09Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: (31 commits) firewire: fw-sbp2: fix DMA mapping of management ORBs firewire: fw-sbp2: fix DMA mapping of command ORBs firewire: fw-sbp2: fix DMA mapping of S/G tables firewire: fw-sbp2: add a boundary check firewire: fw-sbp2: correctly align page tables firewire: fw-sbp2: memset wants string.h firewire: fw-sbp2: use correct speed in sbp2_agent_reset firewire: fw-sbp2: correctly dereference by container_of firewire: Document userspace ioctl interface. firewire: fw-sbp2: implement nonexclusive login firewire: fw-sbp2: let SCSI shutdown commands through before logout firewire: fw-sbp2: implement max sectors limit for some old bridges firewire: simplify a struct type firewire: support S100B...S400B and link slower than PHY firewire: optimize gap count with 1394b leaf nodes firewire: remove unused macro firewire: missing newline in printk firewire: fw-sbp2: remove unused struct member ieee1394: remove old isochronous ABI ieee1394: sbp2: change some module parameters from int to bool ...
2007-07-09Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: HID: handle cases of volume knobs generating relative values HID: Logitech keyboard 0xc311 needs reset leds quirk HID: support for logitech cordless desktop LX500 special mapping HID: fix autocentering of PID devices HID: separate quirks for report descriptor fixup HID: Add NOGET quirk for all NCR devices HID: support for Petalynx Maxter remote control HID: fix mismatch between hid-input HUT find/search mapping and the HUT HID: support for Gameron dual psx adaptor USB HID: avoid flush_scheduled_work() HID: Use menuconfig objects HID: force hid-input for Microsoft SideWinder GameVoice device HID: input mapping for Chicony KU-0418 tactical pad HID: make debugging output runtime-configurable
2007-07-09Merge branch 'upstream-linus' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (75 commits) Ethernet driver for EISA only SNI RM200/RM400 machines Extract chip specific code out of lasi_82596.c ehea: Whitespace cleanup pasemi_mac: Fix TX interrupt threshold spidernet: Replace literal with const r8169: perform RX config change after mac filtering r8169: mac address change support r8169: display some extra debug information during startup r8169: add endianess annotations to [RT]xDesc r8169: align the IP header when there is no DMA constraint r8169: add bit description for the TxPoll register r8169: cleanup r8169: remove the media option r8169: small 8101 comment r8169: confusion between hardware and IP header alignment r8169: merge with version 8.001.00 of Realtek's r8168 driver r8169: merge with version 6.001.00 of Realtek's r8169 driver r8169: prettify mac_version r8169: populate the hw_start handler for the 8110 r8169: populate the hw_start handler for the 8168 ...
2007-07-10firewire: fw-sbp2: fix DMA mapping of management ORBsStefan Richter
The CPU must not touch the buffer after it was DMA-mapped. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Kristian Høgsberg <krh@redhat.com>
2007-07-10firewire: fw-sbp2: fix DMA mapping of command ORBsStefan Richter
The CPU must not touch the buffer after it was DMA-mapped. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Kristian Høgsberg <krh@redhat.com>
2007-07-10firewire: fw-sbp2: fix DMA mapping of S/G tablesStefan Richter
- The CPU must not touch the buffer after it was DMA-mapped. - The size argument of dma_unmap_single(...page_table...) was bogus. - Move a comment closer to the code to which it refers to. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Kristian Høgsberg <krh@redhat.com>
2007-07-10firewire: fw-sbp2: add a boundary checkStefan Richter
Add rudimentary check for the case that the page table overflows due to merging of s/g elements by the IOMMU. This would have lead to overwriting of arbitrary memory. After this change I expect that an offending command will be unsuccessfully retried until the scsi_device is taken offline by SCSI core. It's a border case and not worth to implement a recovery strategy. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Acked-by: Kristian Høgsberg <krh@redhat.com>
2007-07-10firewire: fw-sbp2: correctly align page tablesStefan Richter
This is required per SBP-2 clause 5.2. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Acked-by: Kristian Høgsberg <krh@redhat.com>
2007-07-10firewire: fw-sbp2: memset wants string.hStefan Richter
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Acked-by: Kristian Høgsberg <krh@redhat.com>
2007-07-10firewire: fw-sbp2: use correct speed in sbp2_agent_resetStefan Richter
noticed by Jay Fenlason Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Acked-by: Kristian Høgsberg <krh@redhat.com>
2007-07-10firewire: fw-sbp2: correctly dereference by container_ofJay Fenlason
Replace a cast with a container_of(). As long as nobody reorders the structure elements, they do the same thing, but container_of() is more readable. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (added complete_command_orb) Acked-by: Kristian Høgsberg <krh@redhat.com>
2007-07-10firewire: Document userspace ioctl interface.Kristian Høgsberg
The isochronous packet format is still not documented, but this is a good first step. Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (format, wording)
2007-07-10firewire: fw-sbp2: implement nonexclusive loginStefan Richter
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Kristian Høgsberg <krh@redhat.com>
2007-07-10firewire: fw-sbp2: let SCSI shutdown commands through before logoutStefan Richter
This affects of course only the "soft shutdown" case, e.g. "modprobe -r firewire-sbp2", while it doesn't matter for hot unplug. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Kristian Høgsberg <krh@redhat.com>
2007-07-10firewire: fw-sbp2: implement max sectors limit for some old bridgesStefan Richter
This currently only affects one bridge in the hardwired blacklist. I don't own one of those, hence haven't tested it. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-07-10firewire: simplify a struct typeStefan Richter
cleanup after "firewire: support S100B...S400B and link slower than PHY" Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Kristian Høgsberg <krh@redhat.com>
2007-07-10firewire: support S100B...S400B and link slower than PHYStefan Richter
Use a speed probe to determine the speed over 1394b buses and of nodes which report a link speed less than their PHY speed. Log the effective maximum speed of newly created nodes in dmesg. Also, read the config ROM (except bus info block) at the maximum speed rather than S100. This isn't a real optimization though because we still only use quadlet read requests for the entire ROM. The patch also adds support for S1600 and S3200, although such hardware does not exist yet. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Kristian Høgsberg <krh@redhat.com>
2007-07-10firewire: optimize gap count with 1394b leaf nodesStefan Richter
Table-based gap count optimization cannot be used if 1394b repeater PHYs are present. But it does work with 1394b leaf nodes. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Kristian Høgsberg <krh@redhat.com>
2007-07-10firewire: remove unused macroStefan Richter
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-07-10firewire: missing newline in printkStefan Richter
Also remove some errno printouts which will be shown by infrastructure code anyway. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-07-10firewire: fw-sbp2: remove unused struct memberStefan Richter
cleanup after support of single-buffer requests was dropped Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Kristian Hoegsberg <krh@redhat.com>
2007-07-10ieee1394: remove old isochronous ABIStefan Richter
Based on patch "the scheduled removal of RAW1394_REQ_ISO_{SEND,LISTEN}" from Adrian Bunk, November 20 2006. This patch also removes the underlying facilities in ohci1394 and disables them in pcilynx. That is, hpsb_host_driver.devctl() and hpsb_host_driver.transmit_packet() are no longer used for iso reception and transmission. Since video1394 and dv1394 only work with ohci1394 and raw1394's rawiso interface has never been implemented in pcilynx, pcilynx is now no longer useful for isochronous applications. raw1394 will still handle the request types but will complete the requests with errors that indicate API version conflicts. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-07-10ieee1394: sbp2: change some module parameters from int to boolStefan Richter
This is upwards compatible, except that integer values other than 0 or 1 are no longer accepted. But values like "Y", "N", "no", "nnoooh!" work now. Also, improve a comment on the serialize_io parameter and make the ORB_SET_EXCLUSIVE macro ultra-safe. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-07-10ieee1394: first minimal NUMA awarenessStefan Richter
Association of a host device with a node on NUMA machines optimizes allocations of skbs given from the networking stack to eth1394. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-07-10ieee1394: eth1394: revert parent device to that in 2.6.20Stefan Richter
After ieee1394 was converted away from class_device like the networking subsystem was already in 2.6.21, eth1394's device may point to the fw-host device as its parent again like in 2.6.20. This affects userspace tools which examine the sysfs representation of eth1394's device. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-07-10ieee1394: nodemgr: parallelize between several hostsStefan Richter
Remove the global nodemgr_serialize mutex which enclosed most of the host thread event loop. This allows for parallelism between several host adapter cards. Properly serialize the driver hooks .update(), .suspend(), .resume(), and .remove() by means of device->sem. These hooks can be called from outside the host threads' contexts. Get() and put() the device.driver when calling its hooks. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-07-10ieee1394: convert ieee1394 from "struct class_device" to "struct device"Kay Sievers
Here is a straightforward conversion to "struct device". The "struct class_device" will be removed from the kernel. It seems to work fine for me with and without CONFIG_SYSFS_DEPRECATED set. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-07-10ieee1394: raw1394: fix a 32/64-bits compat fixStefan Richter
I was told that only i386 aligns 64 bit integers at 4 bytes boundaries while all other architectures (32 bit architectures with 64 bit siblings) align it on 8 bytes boundaries. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-07-10ieee1394: raw1394: Add ioctl() for 32bit userland on 64bit kernel, amendmentStefan Richter
Pointed out by Arnd Bergmann: PPC32 aligns this at 64bit, IA32 packs it. A kernel-wide available __compat_u64 which is 4-byte aligned on AMD64 and IA64 would be nicer though. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-07-10ieee1394: raw1394: Add ioctl() for 32bit userland on 64bit kernelPetr Vandrovec
Add compat_ioctl. Although all structures are more or less same, raw1394_iso_packets got pointer inside, and raw1394_cycle_timer got unwanted padding in the middle. I did not add any translation for ioctls passing array of integers around as integers seem to have same size (32 bits) on all architectures supported by Linux. Signed-off-by: Petr Vandrovec <petr@vandrovec.name> Acked-by: Dan Dennedy <dan@dennedy.org> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (split into 3 patches)
2007-07-10ieee1394: raw1394: Fix write() for 32bit userland on 64bit kernelPetr Vandrovec
* write(fd, buf, 52) from 32bit app was returning 56. Most of callers did not care, but some (arm registration) did, and anyway it looks bad if request for writing 52 bytes returns 56. And returning sizeof anything in 'int' is not good as well. So all functions now return '0' instead of sizeof(struct raw1394_request) on success, and write() itself provides correct return value (it just returns value it was asked to write on success as raw1394 does not do any partial writes at all). * Related to this was problem that write() could have returned 0 when kernel state would become corrupted and moved to different state than opened/initialized/connected. Now it returns -EBADFD which seemed appropriate. Signed-off-by: Petr Vandrovec <petr@vandrovec.name> Acked-by: Dan Dennedy <dan@dennedy.org> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (split into 3 patches)
2007-07-10ieee1394: raw1394: Fix read() for 32bit userland on 64bit kernelPetr Vandrovec
read() always failed with -EFAULT. This was happening due to raw1394_compat_read copying data to wrong location - access_ok always failed as 'r' is kernel address, not user. Whole function just tried to copy data from 'r' to 'r', which is not good. Signed-off-by: Petr Vandrovec <petr@vandrovec.name> Acked-by: Dan Dennedy <dan@dennedy.org> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (split into 3 patches)
2007-07-10ieee1394: add comments in struct hpsb_packetStefan Richter
to clarify who is supposed to set what Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-07-10ieee1394: ohci1394: remove dead CONFIG variableStefan Richter
spotted by Robert P. J. Day <rpjday@mindspring.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-07-09drivers/ide/ide-dma.c: unexport ide_set_dmaAdrian Bunk
ide_set_dma no longer has any modular user. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-09via82cxxx: backport short cables support from pata_via.cBartlomiej Zolnierkiewicz
Backport short cables support from pata_via.c. This patch should allow UDMA > 2 modes on Acer Ferrari 3400. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
2007-07-09sis5513: backport short cables support from pata_sis.cBartlomiej Zolnierkiewicz
Backport short cables support from pata_sis.c. This patch allows UDMA > 2 modes on ASUS A6K. Thanks to testing this patch goes out to Jiri Stavinoha. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
2007-07-09alim15x3: backport short cables support from pata_ali.cBartlomiej Zolnierkiewicz
Backport short cables support from pata_ali.c and while at it cleanup existing cable detection code. This patch should allow UDMA > 2 modes on HP Pavilion N5430 and Fujitsu P2000. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
2007-07-09piix: backport short cables support from ata_piix.cBartlomiej Zolnierkiewicz
Backport short cables support from ata_piix.c. This patch should allow UDMA > 2 modes on: - Acer 5602WLMi - Acer 3682WLMi - Asus W5F - Acer Aspire 2023WLMi Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
2007-07-09ide: add short cables supportBartlomiej Zolnierkiewicz
This patch allows users to override both host and device side cable detection with "ideX=ata66" kernel parameter. Thanks to this it should be now possible to use UDMA > 2 modes on systems (laptops mainly) which use short 40-pin cable instead of 80-pin one. Next patches add automatic detection of some systems using short cables. Changes: * Rename hwif->udma_four to hwif->cbl and make it u8. * Convert all existing users accordingly (use ATA_CBL_* defines while at it). * Add ATA_CBL_PATA40_SHORT support to ide-iops.c:eighty_ninty_three(). * Use ATA_CBL_PATA40_SHORT for "ideX=ata66" kernel parameter. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Reviewed-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
2007-07-09ide: convert ide_find_best_mode() users to use ide_max_dma_mode()Bartlomiej Zolnierkiewicz
ide-timing.h: * remove handling of DMA modes from ide_find_best_mode() and rename it to ide_find_best_pio_mode() * drop no longer needed "map" argument from ide_find_best_pio_mode() and delete needless ->id check * remove no longer needed XFER_SWDMA and XFER_UDMA* defines au1xxx-ide.c: * use ide_max_dma_mode() instead of ide_find_best_mode() * remove needless CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA #ifdef amd74xx.c: * store UDMA masks in amd_ide_chip[] and while at it make "base" field to be u8 instead of unsigned long * convert the driver to use UDMA masks from amd_ide_chip[] * use ide_max_dma_mode() and ide_find_best_pio_mode() instead of ide_find_best_mode() * delete stale comment from amd74xx_ide_dma_check() * remove no longer needed AMD_UDMA* defines via82cxxx.c: * remove unused DISPLAY_VIA_TIMINGS define * store UDMA masks in via_isa_bridges[] and while at it make "flags" field to be u8 instead of u16 * convert the driver to use UDMA masks from via_isa_bridges[] * use ide_max_dma_mode() and ide_find_best_pio_mode() instead of ide_find_best_mode() * remove no longer needed VIA_UDMA* defines pmac.c: * use ide_max_dma_mode() instead of ide_find_best_mode() There should be no functionality changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Reviewed-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
2007-07-09ide: fix pre-EIDE SWDMA supportBartlomiej Zolnierkiewicz
If the word 62 is not defined use the word 52 to get SWDMA mask in ide_get_mode_mask(). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-09drivers/ide/legacy/hd.c: Array size calculation using sizeof replaced with ↵Andi Drebes
ARRAY_SIZE This patch replaces an array size calculation in drivers/ide/legacy/hd.c that was done using sizeof with the ARRAY_SIZE macro. Tested by compilation on an i386 box using "allyesconfig". Diffed against Linus' git-tree. Signed-off-by: Andi Drebes <lists-receive@programmierforen.de> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-09ide: remove content related to dead CONFIG_BLK_DEV_MAC_MEDIABAY config variableRobert P. J. Day
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-09ide: remove references to the non-existent CONFIG_SCSI_EATA_DMARobert P. J. Day
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-09ide-cd: replace C code with call to ARRAY_SIZE() macroRobert P. J. Day
Delete the unnecessary macro ARY_LEN and use ARRAY_SIZE directly. Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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