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2006-05-21[PATCH] drivers/base/firmware_class.c: cleanupsAdrian Bunk
- remove the following global function that is both unused and unimplemented: - register_firmware() - make the following needlessly global function static: - firmware_class_uevent() Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-21[PATCH] spi: add spi master driver for Freescale MPC83xx SPI controllerKumar Gala
This driver supports the SPI controller on the MPC83xx SoC devices from Freescale. Note, this driver supports only the simple shift register SPI controller and not the descriptor based CPM or QUICCEngine SPI controller. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-21[PATCH] minor SPI doc fixdmitry pervushin
Because several developers asked me about referenced but missing spi_add_master(), I think that this patch should be applied ... it corrects comments so they refer to spi_register_master() instead. Signed-off-by: dmitry pervushin <dpervushin@ru.mvista.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-21[PATCH] Overrun in isdn_tty.cEric Sesterhenn
This fixes coverity bug id #1237. After the while loop, it is possible for i == ISDN_LMSNLEN. If this happens the terminating '\0' is written after the end of the array. Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Cc: Karsten Keil <kkeil@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-21[PATCH] pci: correctly allocate return buffers for osc callsKristen Accardi
The OSC set and query functions do not allocate enough space for return values, and set the output buffer length to a false, too large value. This causes the acpi-ca code to assume that the output buffer is larger than it actually is, and overwrite memory when copying acpi return buffers into this caller provided buffer. In some cases this can cause kernel oops if the memory that is overwritten is a pointer. This patch will change these calls to use a dynamically allocated output buffer, thus allowing the acpi-ca code to decide how much space is needed. Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Cc: "Brown, Len" <len.brown@intel.com> Cc: "Yu, Luming" <luming.yu@intel.com> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-21[PATCH] HID read busywait fixMicon, David
Make a read of a HID device block until data is available. Without it, the read goes into a busy-wait loop until data is available. Cc: Greg KH <greg@kroah.com> Acked-by: Vojtech Pavlik <vojtech@suse.cz> Cc: Dmitry Torokhov <dtor_core@ameritech.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-21[PATCH] md: Fix inverted test for 'repair' directive.NeilBrown
We should be able to write 'repair' to /sys/block/mdX/md/sync_action, however due to and inverted test, that always given EINVAL. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-21[PATCH] powerpc: Fix ide-pmac sysfs entryBenjamin Herrenschmidt
It looks like the generic ide code now wants ide_init_hwif_ports() to set the parent struct device into the ide_hw structure (new field ?). Without this, the mac ide code can cause the ide probing code to explode in flames in sysfs registration due to what looks like a stale pointer in there (happens when removing/re-inserting one of the hotswap media bays on some laptops). Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-21[PATCH] matroxfb: fix DVI setup to be more compatiblePaul A. Clarke
There has been a longstanding problem with the Matrox G450 and perhaps other similar cards, with modes "above" 1280x1024-60 on ppc/ppc64 boxes running Linux. Higher resolutions and/or higher refresh rates resulted in a very noticably "jittery" display, and sometimes no display, depending on the physical monitor. This patch fixes that problem on the systems I have easy access to... I've tested with SLES9SP3 (2.6.5+ kernel) and 2.6.16-rc6 custom kernels on an IBM eServer p5 520 w/G450 (a.k.a GXT135P on IBM's ppc64 systems), and a colleague of mine (Ian Romanick) tested it successfully on an Apple ppc32 box (w/GXT135P). I also tested it on IA32 box I have with a GXT135P to verify that it didn't obviously break anything. In my testing, I covered single-card, single and dual-head setups using both HD15 and DVI-D signals, on both the IA32 and ppc64 boxes. While everything appeared fine on both boxes, I did encounter one problem: I can't get any signal on the DVI-D output on the ppc64 box. However, this is also the case without my patch. I just noticed that screen-blanking only occurs on the primary display as well. Signed-off-by: Paul A. Clarke <pc@us.ibm.com> Signed-off-by: Ian Romanick <idr@us.ibm.com> Signed-off-by: Petr Vandrovec <petr@vandrovec.name> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-21[PATCH] forcedeth: fix multi irq issuesAyaz Abdulla
With Manfred Spraul <manfred@colorfullife.com> and Andrew Morton <akpm@osdl.org> Bring back this recently-reverted patch, only fixed. Original changelog: From: Ayaz Abdulla <aabdulla@nvidia.com> This patch fixes the issues with multiple irqs. I am resending based on feedback. I decoupled the dma mask for consistent memory and fixed leak with multiple irq in error path. Thanks to Manfred for catching the spin lock problem. Fix it: From: Manfred Spraul <manfred@colorfullife.com> Fix bug introduced by ebf34c9b6fcd22338ef764b039b3ac55ed0e297b, covered in http://bugzilla.kernel.org/show_bug.cgi?id=6568. Remove second instance of the request_irq() calls: they were moved from nv_open into nv_request_irq. Thanks to Alistair Strachan <alistair@devzero.co.uk> for reporting and persisting. Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com> Signed-off-by: Manfred Spraul <manfred@colorfullife.com> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-20Merge branch 'upstream-fixes' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-fixes' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: [PATCH] libata-core: fix current kernel-doc warnings [PATCH] sata_mv: version bump [PATCH] sata_mv: endian fix [PATCH] sata_mv: remove local copy of queue indexes [PATCH] sata_mv: spurious interrupt workaround [PATCH] sata_mv: chip initialization fixes [PATCH] sata_mv: deal with interrupt coalescing interrupts [PATCH] sata_mv: prevent unnecessary double-resets
2006-05-20[PATCH] libata-core: fix current kernel-doc warningsRandy Dunlap
Fix all current kernel-doc warnings. Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-05-20[PATCH] sata_mv: version bumpMark Lord
Increment the version number inside sata_mv.c. Signed-off-by: Mark Lord <liml@rtr.ca> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-05-20[PATCH] sata_mv: endian fixMark Lord
This fixes a byte-swap issue on PPC, found by Zang Roy-r61911 on the powerpc platform. His original patch also had some other platform-specific changes in #ifdef's, but I'm not sure yet how to incorporate them. Look for another patch for those (soon). Signed-off-by: Mark Lord <liml@rtr.ca> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-05-20[PATCH] sata_mv: remove local copy of queue indexesMark Lord
The driver currently keeps local copies of the hardware request/response queue indexes. But it expends significant effort ensuring consistency between the two views, and still gets it wrong after an error or reset occurs. This patch removes the local copies, in favour of just accessing the hardware whenever we need them. Eventually this may need to be tweaked again for NCQ, but for now this works and solves problems some users were seeing. Signed-off-by: Mark Lord <liml@rtr.ca> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-05-20[PATCH] sata_mv: spurious interrupt workaroundMark Lord
The 60xx chips, and possibly others, incorrectly assert DEV_IRQ interrupts on a regular basis. The cause of this is under investigation (by me and in theory by Marvell also), but regardless we do need to deal with these events. This patch tidies up some interrupt handler code, and ensures that we ignore DEV_IRQ interrupts when the drive still has ATA_BUSY asserted. Signed-off-by: Mark Lord <liml@rtr.ca> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-05-20[PATCH] sata_mv: chip initialization fixesMark Lord
The interface control register of the 60xx (and later) Marvell chip requires certain bits to always be set when writing to it. These bits incorrectly read-back as zeros, so the pattern must be ORed in with each write of the register. Also, bit 12 should NOT be set (note that Marvell's own driver also had bit-12 wrong here). While we're at it, we also now do pci_set_master() in the init code. Signed-off-by: Mark Lord <liml@rtr.ca> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-05-20[PATCH] sata_mv: deal with interrupt coalescing interruptsMark Lord
In some systems, it is possible that the BIOS may have enabled interrupt coalescing for the Marvell controllers which support it. This patch adds code to detect/ack interrupts from the chip's coalescing (combing) logic. Signed-off-by: Mark Lord <liml@rtr.ca> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-05-20[PATCH] sata_mv: prevent unnecessary double-resetsMark Lord
The mv_err_intr() function is invoked from the driver's interrupt handler, as well as from the timeout function. This patch prevents it from triggering a one-after-the-other double reset of the controller when invoked from the timeout function. This also adds a check for a timeout race condition that has been observed to occur with this driver in earlier kernels. This should not be needed, in theory, but in practice it has caught bugs. Maybe nuke it at a later date. Signed-off-by: Mark Lord <liml@rtr.ca> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-05-20[PATCH] winbond-840-remove-badness-in-pci_map_singleErling A. Jacobsen
Call pci_map_single() with the actual size of the receive buffers, not 0 (which skb->len is initialized to by dev_alloc_skb()). Signed-off-by: Erling A. Jacobsen <linuxcub@email.dk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-05-20[PATCH] network: axnet_cs: bug fix multicast code (support older ax88190 ↵Komuro
chipset) Dear Jeff axnet_cs: bug fix multicast code (support older ax88190 chipset) Signed-off-by: komurojun-mbn@nifty.com Best Regards Komuro Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-05-20[PATCH] skge: don't allow transmit ring to be too smallStephen Hemminger
The driver will get stuck (permanent transmit timeout), if the transmit ring size is set too small. It needs to have enough ring elements to hold one maximum size transmit. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-05-20[PATCH] skge: bad checksums on big-endian platformsStephen Hemminger
Skge driver always causes bad checksums on big-endian. The checksum in the receive control block was being swapped when it doesn't need to be. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-05-20Merge branch 'upstream-fixes' of ↵Jeff Garzik
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into upstream-fixes
2006-05-20[PATCH] sky2 version 1.4Stephen Hemminger
Need to track impact of this group of changes. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-05-20[PATCH] sky2: force NAPI repoll if busyStephen Hemminger
If the status ring processing can't keep up with the incoming frames, it is more efficient to have NAPI keep scheduling the poll routine rather than causing another interrupt. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-05-20[PATCH] sky2: more fixes for Yukon UltraStephen Hemminger
Logic error in the phy initialization code. Also, turn on wake on lan bit in status control. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-05-20[PATCH] Subjec: sky2, skge: correct PCI id for DGE-560TStephen Hemminger
The Dlink DGE-560T uses Yukon2 chipset so it needs sky2 driver; and the DGE-530T uses Yukon1 so it uses skge driver. Bug: http://bugzilla.kernel.org/show_bug.cgi?id=6544 Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-05-20[PATCH] sky2: allow dual port usageStephen Hemminger
If both ports are receiving on the SysKonnect dual port cards, then it appears the bus interface unit can give an interrupt status for frame before DMA has completed. This leads to bogus frames and general confusion. This is why receive checksumming is also messed up on dual port cards. A workaround for the out of order receive problem is to eliminating split transactions on PCI-X. This version is based of the current linux-2.6.git including earlier patch to disable dual ports. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-05-20[PATCH] via-rhine: revert "change mdelay to msleep and remove from ISR path"John W. Linville
Revert previous patch with subject "change mdelay to msleep and remove from ISR path". This patch seems to have caused bigger problems than it solved, and it didn't solve much of a problem to begin with... Discussion about backing-out this patch can be found here: http://marc.theaimsgroup.com/?l=linux-netdev&m=114321570402396&w=2 The git commit associated w/ the original patch is: 6ba98d311d0a4ff7dc36d8f435ce60174f4c30ec Signed-off-by: John W. Linville <linville@tuxdriver.com Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-05-20[PATCH] revert "forcedeth: fix multi irq issues"Andrew Morton
Revert ebf34c9b6fcd22338ef764b039b3ac55ed0e297b. Maybe. Due to crashes at shutdown - see http://bugzilla.kernel.org/show_bug.cgi?id=6568. Cc: Ayaz Abdulla <aabdulla@nvidia.com> Cc: Manfred Spraul <manfred@colorfullife.com> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-05-19Merge branch 'for-linus' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband * 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband: IB/mthca: Fix posting lists of 256 receive requests for Tavor IB/uverbs: Don't leak ref to mm on error path IB/srp: Complete correct SCSI commands on device reset IB/srp: Get rid of extra scsi_host_put()s if reconnection fails IB/srp: Don't wait for disconnection if sending DREQ fails IB/mthca: Make fw_cmd_doorbell default to 0
2006-05-19Merge master.kernel.org:/home/rmk/linux-2.6-mmcLinus Torvalds
* master.kernel.org:/home/rmk/linux-2.6-mmc: [ARM] 3531/1: i.MX/MX1 SD/MMC ensure, that clock are stopped before new command and cleanups
2006-05-19Merge master.kernel.org:/pub/scm/linux/kernel/git/wim/linux-2.6-watchdogLinus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: [WATCHDOG] s3c2410_wdt.c stop watchdog after boot [WATCHDOG] i8xx_tco.c - remove support for ICH6 + ICH7 [WATCHDOG] Documentation/watchdog/watchdog-api.txt - fix watchdog daemon [WATCHDOG] sc1200wdt.c printk fix
2006-05-19[ARM] 3531/1: i.MX/MX1 SD/MMC ensure, that clock are stopped before new ↵Pavel Pisa
command and cleanups Patch from Pavel Pisa There has been problems that for some paths that clock are not stopped during new command programming and initiation. Result is issuing of incorrect command to the card. Some other problems are cleaned too. Noisy report of known ERRATUM #4 has been suppressed. Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-05-18IB/mthca: Fix posting lists of 256 receive requests for TavorMichael S. Tsirkin
If we post a list of length 256 exactly, nreq in doorbell gets set to 256 which is wrong: it should be encoded by 0. This is because we only zero it out on the next WR, which may not be there. The solution is to ring the doorbell after posting a WQE, not before posting the next one. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-05-17IB/uverbs: Don't leak ref to mm on error pathRoland Dreier
In ib_umem_release_on_close(), if the kmalloc() fails, then a reference to current->mm will be leaked. Fix this by adding a mmput() instead of just returning on kmalloc() failure. Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-05-17[PATCH] ohci1394, sbp2: fix "scsi_add_device failed" with PL-3507 based devicesStefan Richter
Re-enable posted writes for status FIFO. Besides bringing back a very minor bandwidth tweak from Linux 2.6.15.x and older, this also fixes an interoperability regression since 2.6.16: http://bugzilla.kernel.org/show_bug.cgi?id=6356 (sbp2: scsi_add_device failed. IEEE1394 HD is not working anymore.) Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Tested-by: Vanei Heidemann <linux@javanei.com.br> Tested-by: Martin Putzlocher <mputzi@gmx.de> (chip type unconfirmed) Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-17[PATCH] sbp2: add ability to override hardwired blacklistStefan Richter
In case the blacklist with workarounds for device bugs yields a false positive, the module load parameter can now also be used as an override instead of an addition to the blacklist. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-17[PATCH] sbp2: add read_capacity workaround for iPodStefan Richter
Apple decided to copy some USB stupidity over to FireWire. The sector number returned by iPods from read_capacity is one too many. This may cause I/O errors, especially if the kernel is configured for EFI partition support. We use the same workaround as usb-storage but have to check for different model IDs. http://marc.theaimsgroup.com/?t=114233262300001 https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=187409 Acknowledgements: Diagnosis and therapy by Mathieu Chouquet-Stringer <ml2news@free.fr>, additional data about affected and unaffected Apple hardware from Vladimir Kotal, Sander De Graaf, Bryan Olmstead and Hugh Dixon. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-17[PATCH] sbp2: consolidate workaroundsStefan Richter
Grand unification of the three types of workarounds we have so far. The "skip mode page 8" workaround is now limited to devices which pretend to be of TYPE_DISK instead of TYPE_RBC. This workaround is no longer enabled for Initio bridges. Patch update in anticipation of more workarounds: - Add module parameter "workarounds". - Deprecate parameter "force_inquiry_hack". - Compose the blacklist of a compound type for better readability and extensibility. - Remove a now unused #define. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-17Merge git://git.kernel.org/pub/scm/linux/kernel/git/shemminger/netdev-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/shemminger/netdev-2.6: sky2: prevent dual port receiver problems x86_64: Check for bad dma address in b44 1GB DMA workaround The ixp2000 driver for the enp2611 was developed on a board with
2006-05-17[PATCH] bcm43xx: associate on 'ifconfig up'David Woodhouse
I still need this hack to work around the fact that softmac doesn't attempt to associate when we bring the device up... Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-05-17IB/srp: Complete correct SCSI commands on device resetIshai Rabinovitz
When flushing out queued commands after a successful device reset, make sure that SRP completes the right commands, instead of calling scsi_done on the command passed into the device reset handler over and over. Signed-off-by: Ishai Rabinovitz <ishai@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-05-17IB/srp: Get rid of extra scsi_host_put()s if reconnection failsRoland Dreier
If a reconnection attempt fails, then SRP does two scsi_host_put()s. This is a historical relic from an earlier version of the driver that took a reference on the scsi_host before trying to reconnect, so get rid of the extra scsi_host_put(). Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-05-17IB/srp: Don't wait for disconnection if sending DREQ failsRoland Dreier
Sending a DREQ may fail, for example because the remote target has already broken the connection. If so, then SRP should not wait for the disconnection to complete, because it never will. Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-05-17IB/mthca: Make fw_cmd_doorbell default to 0Roland Dreier
Setting fw_cmd_doorbell allows FW command to be queued using posted writes instead of requiring polling on a "go" bit, so it should be a performance boost. However, the option causes problems with at least some device/firmware combinations, so set the default to 0 until we understand what's going on better. Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-05-16Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/spi-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/spi-2.6: [PATCH] SPI: spi_bitbang: clocking fixes [PATCH] spi: Update to PXA2xx SPI Driver [PATCH] SPI: busnum == 0 needs to work [PATCH] SPI: devices can require LSB-first encodings [PATCH] SPI: Renamed bitbang_transfer_setup to spi_bitbang_setup_transfer and export it [PATCH] SPI: Add David as the SPI subsystem maintainer [PATCH] SPI: spi bounce buffer has a minimum length [PATCH] SPI: spi whitespace fixes [PATCH] SPI: add PXA2xx SSP SPI Driver [PATCH] SPI: per-transfer overrides for wordsize and clocking
2006-05-16Merge master.kernel.org:/home/rmk/linux-2.6-serialLinus Torvalds
* master.kernel.org:/home/rmk/linux-2.6-serial: [ARM] 3523/1: Serial core pm_state
2006-05-16[PATCH] SPI: spi_bitbang: clocking fixesDavid Brownell
This fixes two problems triggered by the MMC stack updating clocks: - SPI masters driver should accept a max clock speed of zero; that's one convention for marking idle devices. (Presumably that helps controllers that don't autogate clocks to "off" when not in use.) - There are more than 1000 nanoseconds per millisecond; setting the clock down to 125 KHz now works properly. Showing once again that Zero (http://en.wikipedia.org/wiki/Zero) is still an inexhaustible number of bugs. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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