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2007-12-12ide: DMA reporting and validity checking fixes (take 3)Bartlomiej Zolnierkiewicz
* ide_xfer_verbose() fixups: - beautify returned mode names - fix PIO5 reporting - make it return 'const char *' * Change printk() level from KERN_DEBUG to KERN_INFO in ide_find_dma_mode(). * Add ide_id_dma_bug() helper based on ide_dma_verbose() to check for invalid DMA info in identify block. * Use ide_id_dma_bug() in ide_tune_dma() and ide_driveid_update(). As a result DMA won't be tuned or will be disabled after tuning if device reports inconsistent info about enabled DMA mode (ide_dma_verbose() does the same checks while the IDE device is probed by ide-{cd,disk} device driver). * Remove no longer needed ide_dma_verbose(). This patch should fix the following problem with out-of-sync IDE messages reported by Nick Warne: hdd: ATAPI 48X DVD-ROM DVD-R-RAM CD-R/RW drive, 2048kB Cache<7>hdd: skipping word 93 validity check , UDMA(66) and later debugged by Mark Lord to be caused by: ide_dma_verbose() printk( ... "2048kB Cache"); eighty_ninty_three() printk(KERN_DEBUG "%s: skipping word 93 validity check\n"); ide_dma_verbose() printk(", UDMA(66)" Please note that as a result ide-{cd,disk} device drivers won't report the DMA speed used but this is intended since now DMA mode being used is always reported by IDE core code. v2: * fixes suggested by Randy: - use KERN_CONT for printk()-s in ide-{cd,disk}.c - don't remove argument name from ide_xfer_verbose() declaration v3: * Remove incorrect check for (id->field_valid & 1) from ide_id_dma_bug() (spotted by Sergei). * "XFER SLOW" -> "PIO SLOW" in ide_xfer_verbose() (suggested by Sergei). * Fix ide_find_dma_mode() to report the correct mode ('mode' after being limited by 'req_mode'). Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: Nick Warne <nick@ukfsn.org> Cc: Mark Lord <lkml@rtr.ca> Cc: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-12-12ide: add /sys/bus/ide/devices/*/{model,firmware,serial} sysfs entriesBartlomiej Zolnierkiewicz
Cc: Dan Kegel <dank@kegel.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Xavier Bestel <xavier.bestel@free.fr> Cc: Andrey Borzenkov <arvidjaar@mail.ru> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-12-12ide: coding style fixes for drivers/ide/setup-pci.cBartlomiej Zolnierkiewicz
* remove trailing whitespaces * 'if()' -> 'if ()' * remove extra new-line before EXPORT_SYMBOL_GPL() * add extra new-line after 'id' definition * respect 80-columns limit There should be no functionality changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-12-12ide: fix ide_scan_pcibus() error messageBartlomiej Zolnierkiewicz
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-12-12ide: deprecate CONFIG_BLK_DEV_OFFBOARDBartlomiej Zolnierkiewicz
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-12-12ide: add missing checks for control register existenceBartlomiej Zolnierkiewicz
Add missing checks for control register existence (some legacy m68k specific IDE controllers don't have it). Also use drive->ctl while at it. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-12-12ide-scsi: add ide_scsi_hex_dump() helperBartlomiej Zolnierkiewicz
Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Denis Cheng <crquan@gmail.com> Cc: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-12-12IB/ehca: Serialize HCA-related hCalls if necessaryJoachim Fenkes
Several pSeries firmware versions share a rare locking issue in the HCA-related hCalls. Check for a feature flag that indicates the issue being fixed and serialize all HCA hCalls if not. Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-12-12IB/ehca: Return correct number of SGEs for SRQJoachim Fenkes
Firmware would round up the number of SGEs to four, because the WQE structure holds four SGEs. For SRQ, only three are supported, so return a fixed value instead. Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-12-12mmc: remove unused 'mode' from the mmc_host structureNicolas Pitre
This field and corresponding defines are simply never used anywhere in the code. But its mere presence is enough to confuse some host driver authors who attempt to rely on it. Let's eliminate the possibility for confusion and remove it entirely. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-12-12sdhci: support JMicron JMB38x chipsPierre Ossman
The JMicron JMB38x chip doesn't support transfers that aren't 32-bit aligned (both size and start address). It also doesn't like switching between PIO and DMA mode, so it needs to be reset after each request. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-12-12sdhci: use PIO when DMA can't satisfy the requestPierre Ossman
Some controllers have been designed on the assumption that all transfers will be 32-bit aligned, both in start address and in size. This is not a guarantee the SDHCI specification provides and not one we can provide. Revert back to PIO for individual requests in order to work around the hardware bug. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-12-12sdhci: don't warn about sdhci 2.0 controllersPierre Ossman
We support 2.0 controllers, even though we don't use anything in the new feature set. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-12-12sdhci: describe quirksPierre Ossman
Add a comment for each quirk to describe what it does and why. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-12-12Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC64]: Fix endless loop in cheetah_xcall_deliver(). [SERIAL] sparc: Infrastructure to fix section mismatch bugs.
2007-12-12Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6Linus Torvalds
* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: i2c/isp1301_omap: Build fix i2c: Add missing spaces in split log messages i2c-gpio: Initialize adapter class i2c: Delete an outdated piece of documentation
2007-12-12NFS: Fix an Oops in NFS unmountTrond Myklebust
Ensure that the dummy 'root dentry' is invisible to d_find_alias(). If not, then it may be spliced into the tree if a parent directory from the same filesystem gets mounted at a later time. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-12-12Revert "NFS: Ensure we return zero if applications attempt to write zero bytes"Trond Myklebust
This reverts commit b9148c6b80d802dbc2a7530b29915a80432e50c7. On Wed, 12 Dec 2007 10:57:30 -0500, Chuck Lever wrote > commit b9148c6b should be reverted. It was recently forward-ported > from some years-old patches, and is clearly not needed now. > > On Dec 11, 2007, at 5:21 PM, Adrian Bunk wrote: > >> This code became dead after commit >> b9148c6b80d802dbc2a7530b29915a80432e50c7 >> (which BTW doesn't seem to have changed any behaviour) and can >> therefore >> be removed. >> >> Spotted by the Coverity checker. >> >> Signed-off-by: Adrian Bunk <bunk@kernel.org> >> >> --- >> --- linux-2.6/fs/nfs/direct.c.old 2007-12-02 21:54:53.000000000 +0100 >> +++ linux-2.6/fs/nfs/direct.c 2007-12-02 21:55:10.000000000 +0100 >> @@ -897,15 +897,12 @@ ssize_t nfs_file_direct_write(struct kio >> if (!count) >> goto out; /* return 0 */ >> >> retval = -EINVAL; >> if ((ssize_t) count < 0) >> goto out; >> - retval = 0; >> - if (!count) >> - goto out; >> >> retval = nfs_sync_mapping(mapping); >> if (retval) >> goto out; >> >> retval = nfs_direct_write(iocb, iov, nr_segs, pos, count); >> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-12-12[SPARC64]: Fix endless loop in cheetah_xcall_deliver().David S. Miller
We need to mask out the proper bits when testing the dispatch status register else we can see unrelated NACK bits from previous cross call sends. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-12-12[SERIAL] sparc: Infrastructure to fix section mismatch bugs.Martin Habets
This patch against 2.6.23 sparc-2.6.git contains a number of minor cleanups of the sparc serial drivers. Initially I fixed this build warning: WARNING: vmlinux.o(.text+0x107a2c): Section mismatch: reference to .init.text:add_preferred_console (between 'sunserial_console_match' and 'sunserial_console_termios') which is done by declaring sunserial_console_match() as __init. This resulted in build warnings on sunserial_current_minor. To resolve these the variable was changed so it is no longer global, and to hide operations on it inside 2 new functions. These functions handle the UART minor handling code that is common to all sparc serial drivers. These changes allowed to clean up the uart counters in all the sparc serial drivers, and the administration of minor device numbers. Lastly, sunserial_console_termios() does not need to be exported since it is only called from non-modular code. Sadly, the following build warning still exists: WARNING: vmlinux.o(__ksymtab+0x2910): Section mismatch: reference to .init.text:sunserial_console_match (between '__ksymtab_sunserial_console_match' and '__ksymtab_sunserial_unregister_minors') This could be resolved by not exporting sunserial_console_match(), but this is not possible at the moment because it is being called from modular code. On the other hand, this is a bogus warning since it comes from a ksymtab section. Signed-off-by: Martin Habets <errandir_news@mph.eclipse.co.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-12-12i2c/isp1301_omap: Build fixDavid Brownell
Build fix to the isp1301_omap driver ... this driver gets built more often in the OMAP tree than in mainline, partly because the defconfig for H2 (plus probably H3 and H4) needs updating. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-12-12i2c: Add missing spaces in split log messagesJoe Perches
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-12-12i2c-gpio: Initialize adapter classAtsushi Nemoto
This is required to let hwmon drivers attach to the adapter. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-12-12i2c: Delete an outdated piece of documentationJean Delvare
I'm amazed that this old piece of documentation managed to survive until today. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-12-12V4L/DVB (6609): Re-adds lock safe videobuf_read_startMauro Carvalho Chehab
videobuf_dvb needs videobuf_read_start. The EXPORT_SYMBOL_GPL() were removed by a previous patch. However, videobuf_dvb needs this. This patch re-adds videobuf_read_start, doing the proper lock. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-12-11Revert "make bnx2x select ZLIB_INFLATE"Linus Torvalds
This reverts commit 70eba18b5664f90d7620905e005b89388e5fd94b, as per Jeff Garzik: "That was meant for 2.6.25, and actually (due to patching) applied to a completely unrelated 2.6.24 net driver." Noted-by: Roland Dreier <rdreier@cisco.com> Requested-by: Jeff Garzik <jgarzik@pobox.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-12-11SUNRPC xprtrdma: fix XDR tail buf marshalling for all opsJames Lentini
rpcrdma_convert_iovs is passed an xdr_buf representing either an RPC request or an RPC reply. In the case of a request, several calculations and tests involving pos are unnecessary. In the case of a reply, several calculations and tests involving pos are incorrect (the code tests pos against the reply xdr buf's len field, which is always 0 at the time rpcrdma_convert_iovs is executed). This change removes the incorrect/unnecessary calculations and tests involving pos. This fixes an observed problem when reading certain file sizes over NFS/RDMA. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Signed-off-by: Tom Talpey <talpey@netapp.com> Signed-off-by: James Lentini <jlentini@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-12-11NFSv2/v3: Fix a memory leak when using -onolockTrond Myklebust
Neil Brown said: > Hi Trond, > > We found that a machine which made moderately heavy use of > 'automount' was leaking some nfs data structures - particularly the > 4K allocated by rpc_alloc_iostats. > It turns out that this only happens with filesystems with -onolock > set. > The problem is that if NFS_MOUNT_NONLM is set, nfs_start_lockd doesn't > set server->destroy, so when the filesystem is unmounted, the > ->client_acl is not shutdown, and so several resources are still > held. Multiple mount/umount cycles will slowly eat away memory > several pages at a time. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Acked-by: NeilBrown <neilb@suse.de>
2007-12-11V4L/DVB (6797): bt8xx/ section fixesAdrian Bunk
This patch fixes the following section mismatch with CONFIG_HOTPLUG=n: <-- snip --> ... ... <-- snip --> Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-12-11V4L/DVB (6796): ivtv/ section fixAdrian Bunk
This patch fixes the following section mismatch with CONFIG_HOTPLUG=n: <-- snip --> ... ... <-- snip --> Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-12-11NFS: Fix NFS mountpoint crossing...Trond Myklebust
The check that was added to nfs_xdev_get_sb() to work around broken servers, works fine for NFSv2, but causes mountpoint crossing on NFSv3 to always return ESTALE. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-12-11V4L/DVB (6794): Fix compilation when dib3000mc is compiled as a moduleMauro Carvalho Chehab
As reported by Andrew Morton: > ERROR: "dibusb_dib3000mc_frontend_attach" [drivers/media/dvb/dvb-usb/dvb-usb-nova-t-usb2.ko] undefined! > ERROR: "dibusb_dib3000mc_tuner_attach" [drivers/media/dvb/dvb-usb/dvb-usb-nova-t-usb2.ko] undefined! > ERROR: "dibusb_dib3000mc_frontend_attach" [drivers/media/dvb/dvb-usb/dvb-usb-dibusb-mc.ko] undefined! > ERROR: "dibusb_dib3000mc_tuner_attach" [drivers/media/dvb/dvb-usb/dvb-usb-dibusb-mc.ko] undefined! > ERROR: "dibusb_dib3000mc_frontend_attach" [drivers/media/dvb/dvb-usb/dvb-usb-a800.ko] undefined! > ERROR: "dibusb_dib3000mc_tuner_attach" [drivers/media/dvb/dvb-usb/dvb-usb-a800.ko] undefined Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-12-11V4L/DVB (6733): DVB: Compile 3000MC-specific DIB code only for ↵Jiri Kosina
CONFIG_DVB_DIB3000MC On Tue, 4 Dec 2007, Ingo Molnar wrote: > drivers/built-in.o: In function `dibusb_dib3000mc_tuner_attach': > : undefined reference to `dib3000mc_get_tuner_i2c_master' > drivers/built-in.o: In function `dibusb_dib3000mc_tuner_attach': > : undefined reference to `dib3000mc_set_config' Seems like -common part contains also code that is not completely common to all the modules. Signed-off-by: Jiri Kosina <jkosina@suse.cz> Tested-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-12-11V4L/DVB (6750): Fix in-kernel compilation for cxusbMauro Carvalho Chehab
cxusb needs tuner-xc2028*.h files, but Makefile is not adding its patch drivers/media/dvb/dvb-usb/cxusb.c:33:26: error: tuner-xc2028.h: File not found drivers/media/dvb/dvb-usb/cxusb.c:34:32: error: tuner-xc2028-types.h: File not found Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-12-11V4L/DVB (6746): saa7134-dvb: fix tuning for WinTV HVR-1110Benoit Istin
There are several months my hvr1110 stop working. This is very simple to fix, for my card revision at least, by setting a missing field to the hauppauge_hvr_1110_config. Signed-off-by: Benoit Istin <beistin@gmail.com> Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-12-11V4L/DVB (6751): V4L: Memory leak! Fix count in videobuf-vmalloc mmapBrandon Philips
This is pretty serious bug. map->count is never initialized after the call to kmalloc making the count start at some random trash value. The end result is leaking videobufs. Also, fix up the debug statements to print unsigned values. Pushed to http://ifup.org/hg/v4l-dvb too Signed-off-by: Brandon Philips <bphilips@suse.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-12-11V4L/DVB (6690): saa7134: fix ignored interruptsHeikki Lindholm
The saa7134 video driver starts dropping frames when used together with the saa7134-alsa driver. Frames are dropped because when an audio event is waiting the driver simply ignores the interrupt and passes it on to the saa7134-alsa interrupt handler. The alsa interrupt handler in turn acknowledges all types of events thus clearing the pending video events as well. Fix by only masking out the audio event in the video interrupt handler and by only acknowledging the audio event in the alsa driver. Signed-off-by: Heikki Lindholm <holindho@cs.helsinki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-12-11V4L/DVB (6686): saa7134: fix composite over s-video input on the Tevion MD 9717Hermann Pitton
The vmux for composite over s-video input was wrong. Signed-off-by: Hermann Pitton <hermann-pitton@arcor.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-12-11V4L/DVB (6684): Complement va_start() with va_end() + style fixesRichard Knutsson
Complement va_start() with va_end() + minor style fixes in the same function. Signed-off-by: Richard Knutsson <ricknu-0@student.ltu.se> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-12-11V4L/DVB (6666): saa7134-alsa: fix period handlingHeikki Lindholm
The period handling in saa7134-alsa is broken in two ways. First, the minimum number of periods of two does not work, because the dma is setup two periods ahead in the irq handler. Fix the minimum to four periods. Second, the code assumes that the number of periods is divisible by two, which isn't always the case on ALSA. Fix by adding a constraint. Signed-off-by: Heikki Lindholm <holindho@cs.helsinki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-12-11V4L/DVB (6629): zl10353: fix default adc_clock and TRL nominal rate calculationChris Pascoe
The default adc_clock for the zl10353 is different from what was originally thought to be the case and the TRL nominal rate formula was incorrect as a result. Use a better (and hopefully now correct) formula. Signed-off-by: Chris Pascoe <c.pascoe@itee.uq.edu.au> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-12-11V4L/DVB (6615): V4L: Fix VIDIOCGMBUF locking in saa7146Brandon Philips
Fallout from videobuf_mmap_setup() locking fixes. Signed-off-by: Brandon Philips <bphilips@suse.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-12-11V4L/DVB (6602): V4L: Convert videobuf drivers to videobuf_stopBrandon Philips
Drivers were using cookie cutter code for stopping the read/stream. Use the new videobuf_stop function which is lock safe. Signed-off-by: Brandon Philips <bphilips@suse.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-12-11V4L/DVB (6601): V4L: videobuf-core locking fixes and commentsBrandon Philips
- Add comments to functions that require that caller hold q->lock - Add __videobuf_mmap_free that doesn't hold q->lock for use within videobuf - Add locking to videobuf_mmap_free - Fix linux/drivers/media/common/saa7146_video.c which was holding lock around videobuf_read_stop - Add locking to functions that operate on a queue - Add videobuf_stop to take care of stopping in both the read and stream case TODO: bttv still has an unsafe call to videobuf_queue_is_busy Signed-off-by: Brandon Philips <bphilips@suse.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-12-11V4L/DVB (6581): Fix: avoids negative vma usage countMauro Carvalho Chehab
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-12-11V4L/DVB (6579): Fix bug #8824: Correct support for Diseqc on tda10086Hartmut Hackmann
This is a modified version of a patch previously posted by Thomas Unverzagt. Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-12-11V4L/DVB (6542): Fix S-video mode on tvp5150Mauro Carvalho Chehab
Thanks to Markus Reichberger to point this. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-12-11V4L/DVB (6540): em28xx: fix failing autodetection after the rebootSascha Sommer
The attached patch is required so that the autodetecion code also works after a reboot. Setting the I2C speed does not seem to be supported for em2800. Signed-off-by: Sascha Sommer <saschasommer@freenet.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-12-11V4L/DVB (6485): ivtv: fix compile warningHans Verkuil
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-12-11[IPSEC]: Fix potential dst leak in xfrm_lookupHerbert Xu
If we get an error during the actual policy lookup we don't free the original dst while the caller expects us to always free the original dst in case of error. This patch fixes that. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
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