- 06 Feb, 2008 40 commits
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Adrian Bunk authored
- make the following needlessly global code static: - crypto.c:ecryptfs_lower_offset_for_extent() - crypto.c:key_tfm_list - crypto.c:key_tfm_list_mutex - inode.c:ecryptfs_getxattr() - main.c:ecryptfs_init_persistent_file() - remove the no longer used mmap.c:ecryptfs_lower_page_cache - #if 0 the unused read_write.c:ecryptfs_read() Signed-off-by:
Adrian Bunk <bunk@kernel.org> Cc: Michael Halcrow <mhalcrow@us.ibm.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Andrew Morton authored
drivers/isdn/hardware/eicon/debug.c: In function 'SuperTraceASSIGN': drivers/isdn/hardware/eicon/debug.c:1191: warning: 'rx_dma_magic' may be used uninitialized in this function Cc: Karsten Keil <kkeil@suse.de> Signed-off-by:
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Roel Kluin authored
'!' has a higher priority than '&'. Signed-off-by:
Roel Kluin <12o3l@tiscali.nl> Cc: Karsten Keil <kkeil@suse.de> Signed-off-by:
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Tilman Schmidt authored
The ser_gigaset ISDN driver was using a mutex in its close() method for waiting for other running ldisc methods to finish. That's what completions are for. Incidentally, this also avoids a spurious "BUG: lock held at task exit time" message when the driver's userspace daemon daemonizes itself. Signed-off-by:
Tilman Schmidt <tilman@imap.cc> Signed-off-by:
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Tilman Schmidt authored
Fix the initialization and reference counting of the Gigaset driver modules so that they can be unloaded when they are not actually in use. Signed-off-by:
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Tilman Schmidt authored
Convert atomic_t variables that don't actually use atomic_t functionality to int. Signed-off-by:
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Tilman Schmidt authored
Add basic suspend/resume support to the usb_gigaset driver for the Siemens Gigaset M105 USB DECT adapter. Only the USB aspects are handled so far; the ISDN subsystem is not notified in any way, for lack of information about how to do that. The driver does not check for active connections before suspending. They will be dropped when the device loses USB power. Signed-off-by:
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Tilman Schmidt authored
Add basic suspend/resume support to the bas_gigaset ISDN driver for the Siemens Gigaset SX255 series of ISDN DECT bases. Only the USB aspects are handled so far; the ISDN subsystem is not notified in any way, for lack of information about how to do that. The driver will refuse to suspend if a connection is active. Signed-off-by:
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Tilman Schmidt authored
Some cleanups to the bas-gigaset and usb-gigaset USB ISDN drivers: - simplified error handling - improved debug messages - readability improvements - removal of obsolete defines and comments Signed-off-by:
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Tilman Schmidt authored
Make there only be one reference to urb->status per URB callback, and none outside, in preparation for removal of that field. Signed-off-by:
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Abhishek Sagar authored
Provide support to add an optional user defined callback to be run at function entry of a kretprobe'd function. Also modify the kprobe smoke tests to include an entry-handler during the kretprobe sanity test. Signed-off-by:
Abhishek Sagar <sagar.abhishek@gmail.com> Cc: Prasanna S Panchamukhi <prasanna@in.ibm.com> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Acked-by:
Jim Keniston <jkenisto@us.ibm.com> Signed-off-by:
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David Brownell authored
Remove some more references to dev->power.power_state. That field is overdue for removal, but we can't do that while it's still referenced in the kernel. The only reason to update it was to make the /sys/devices/.../power/state files (now removed) work better. Signed-off-by:
David Brownell <dbrownell@users.sourceforge.net> Signed-off-by:
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Mike Frysinger authored
Use simpler comment headers, and strip out information that is maintained in GIT history Signed-off-by:
Mike Frysinger <michael.frysinger@analog.com> Signed-off-by:
Bryan Wu <bryan.wu@analog.com> Signed-off-by:
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Sonic Zhang authored
SPI writes should also not return until the last bit is sent. Signed-off-by:
Sonic Zhang <sonic.zhang@analog.com> Signed-off-by:
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Bryan Wu authored
Full duplex SPI operation should not read a dummy byte at the first transfer. Bug and fix by Jean-Christian de Rivaz <jc@eclis.ch>: http://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=3678Signed-off-by:
Jean-Christian de Rivaz <jc@eclis.ch> Signed-off-by:
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Bryan Wu authored
PBX 2 SPI devices need the nonstandard "cs change per word" mechanism. This patch is one of three updating this driver to make the last data bits get sent before advancing the transfer ... in this case, before the chipselect gets deactivated. Signed-off-by:
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Bryan Wu authored
Use the SPI driver's name when requesting gpio lines. When there are gpio conflicts, this helps to narrow down the problems; "bfin-spi" is not informative. Signed-off-by:
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Bryan Wu authored
Remove useless return status check in restore_state function. Issue was pointed out by Michael. Cc: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by:
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Girish authored
This adds driver OMAP SPI specific changes to support OMAP 3430 Signed-off-by:
Girish S G <girishsg@ti.com> Signed-off-by:
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Magnus Damm authored
Add support for SPI over SCI pins. SCI is a very simple serial controller block that can be found on older SuperH processors. In theory it is possible to use the SCI hardware block in syncronous mode, but this version of the driver simply hooks up the bit banging code on the SCI pins. Signed-off-by:
Magnus Damm <damm@igel.co.jp> Signed-off-by:
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David Brownell authored
The two S3C SPI master drivers got merged without much review, so I just noticed that they're doing something that the SPI core code is responsible for, rather than any adapter driver: they try to register SPI devices. This removes that support from those drivers so they act normally. Interestingly, none of the current boards are affected. So it's a net code shrink with no loss of functionality. Signed-off-by:
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Haavard Skinnemoen authored
In atmel_spi_next_xfer, xfer can be NULL because the next transfer may already have been submitted to the PDC (using DMA chaining). This can cause an oops, since the debug message assumed it was never null. The fix changes how those debug messages are issued, ensuring that one is issued each time a transfer is started instead of once per call. Also, properly indent the "can this transfer be chained" test so it's not hidden as if it were non-conditional code. Signed-off-by:
Haavard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by:
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Silvester Erdeg authored
Add support for chained transfers in the atmel_spi driver, letting the DMA controller switch to the next buffer pair without CPU intervention. This reduced I/O latencies by about 2% in one bulk I/O test. It should also help work around several interrelated errata affecting chipselect 0 on at91rm9200 chips. Almost all of the changes are in the reworked atmel_spi_next_xfer() function. That's now called with the driver in one of three states: 1. It isn't transferring anything (in which case the first transfer of the current message is going to be sent) 2. It has finished transfering a non-chainable transfer (in which case it will go to the next transfer in the message) 3. It has finished transfering a chained transfer (in which case the next transfer is already queued) After that it will queue the next transfer if it can be chained. Signed-off-by:Szilveszter Ordog <slipszi@gmail.com> Acked-by:
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Haavard Skinnemoen authored
Don't insert (undesirable) delays between consecutive words (DLYBCT) or when activating chipselects (DLYBS). Removing the between-word delays improves the performance of bulk transfers (such as mtd_dataflash, m25p80, mmc_spi) significantly. In one test, the improvement was a factor of more than eight! (The large DLYBCT value came from the legacy at91 SPI driver, and it's not clear why it used such a huge value.) Signed-off-by:
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David Brownell authored
Don't update dev->power.power_state any more in the SPI core. The only reason to update this scheduled-to-be-removed field was to make the already-removed /sys/devices/.../power/state files work better. Signed-off-by:
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Geert Uytterhoeven authored
Commit edfaa7c3 Driver core: convert block from raw kobjects to core devices This moves the block devices to /sys/class/block. It will create a flat list of all block devices, with the disks and partitions in one directory. For compatibility /sys/block is created and contains symlinks to the disks. introduced a global disk_type variable in <linux/genhd.h>, causing the following compile error on Atari: drivers/block/ataflop.c:93: error: conflicting types for 'disk_type' include/linux/genhd.h:21: error: previous declaration of 'disk_type' was here Rename the local disk_type variable in drivers/block/ataflop.c to atari_disk_type, to avoid the conflict. Signed-off-by:
Geert Uytterhoeven <geert@linux-m68k.org> Cc: Kay Sievers <kay.sievers@vrfy.org> Acked-by:
Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by:
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David Fries authored
Standardize the temperature units to millidegrees C for the two sensor conversion routines. Previously the routines were, w1_DS18B20_convert_temp degrees C w1_DS18S20_convert_temp millidegrees C Unfortunately this will break any program using the ds18b20 value as it will now be 1000 times bigger. Fortunately there can't be that many users out there, or some of these bugs will have been fixed by now, such as the negative C error (see previous patch) that makes me think the ds18b20 is the better choice to change because of the current bugs. Signed-off-by:
David Fries <david@fries.net> Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by:
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Borislav Petkov authored
Simplify logic in cdrom_release() without semantic change. Signed-off-by:
Borislav Petkov <bbpetkov@yahoo.de> Cc: Jens Axboe <jens.axboe@oracle.com> Signed-off-by:
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Evgeniy Polyakov authored
Remvoe variable which actually is not used (except assigning it a value) and confusing break out of the family checking loop. Found by Harry Mason. Signed-off-by:
Evgeniy Polyakov <johnpol@2ka.mipt.ru> Cc: Harry J Mason <hjm03r@ecs.soton.ac.uk> Signed-off-by:
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Randy Dunlap authored
Fix section mismatch by making the driver template variable name match one of the whitelisted variable names in modpost. WARNING: vmlinux.o(.data+0x7a9e8): Section mismatch: reference to .init.text:tpm_inf_pnp_probe (between 'tpm_inf_pnp' and 'cn_idx') Signed-off-by:
Randy Dunlap <randy.dunlap@oracle.com> Cc: Marcel Selhorst <tpm@selhorst.net> Acked-by:
Sam Ravnborg <sam@ravnborg.org> Signed-off-by:
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Andrew Morton authored
Avoid calling do_div(x, 1) in this case. Cc: David Fries <david@fries.net> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by:
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David Fries authored
The kernel has a divide by zero crash when trying to run the system timer less than 100Hz. The problem is x/(HZ/USER_HZ) and related. Now x*(USER_HZ/HZ) will be used if HZ<USER_HZ. I'm running the Linux kernel under qemu and went to run a slower system timer to take less CPU (and battery) on the host. I found that the kernel paniced under emulation because of a divide by zero in three places. Here is the patch. The base git was updated today 01-05-2008. I went for a 20Hz system time by adding config HZ_20 etc to kernel/Kconfig.hz. With this patch I verified the system timer by looking at /proc/interrupts. [akpm@linux-foundation.org: partially clean up the macro maze] Signed-off-by:
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Jiri Slaby authored
Specify also sub pci ids to not grab devices with properly set sub ids. This devices has these set (unset) to the same as (plx 9050) ids. Signed-off-by:
Jiri Slaby <jirislaby@gmail.com> Cc: Andreas Block <andreas.block@esd-electronics.com> Cc: Oliver Thimm <oliver.thimm@esd-electronics.com> Signed-off-by:
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Joern Engel authored
I have been prime author and maintainer of block2mtd from day one, but neither MAINTAINERS nor the module source makes this fact clear. And while I'm at it, update my email addresses tree-wide, as the old address currently bounces and change my name to "joern" as unicode will likely continue to cause trouble until the end of this century. Signed-off-by:
Joern Engel <joern@lazybastard.org> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Andy Whitcroft <apw@shadowen.org> Signed-off-by:
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Richard Kennedy authored
Here's a couple of small additions to BUG-HUNTING. 1. point out that you can list code in gdb with only one command (gdb) l *(<symbol> + offset) 2. give a very brief hint how to decode module symbols in call traces Signed-off-by:
Richard Kennedy <richard@rsk.demon.co.uk> Signed-off-by:
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Karsten Wiese authored
schedule_timeout(jiffies) waits for at least jiffies - 1. Add 1 jiffie to the timeout_jiffies calculated in sys_poll() to wait at least timeout_msecs, like poll() manpage says. Signed-off-by:
Karsten Wiese <fzu@wemgehoertderstaat.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by:
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Joe Peterson authored
Fix two N_TTY line discipline issues related to resuming a stopped TTY (typically done with ctrl-S): 1) Fix handling of character that resumes a stopped TTY (with IXANY) With "stty ixany", the TTY line discipline would lose the first character after the stop, so typing, for example, "hi^Sthere" resulted in "hihere" (the 't' would cause the resume after ^S, but it would then be thrown away rather than processed as an input character). This was inconsistent with the behavior of other Unix systems. 2) Fix interrupt signal (e.g. ctrl-C) behavior in stopped TTYs With "stty -ixany" (often the default), interrupt signals were ignored in a stopped TTY until the TTY was resumed with the start char (typically ctrl-Q), which was inconsistent with the behavior of other Unix systems. Signed-off-by:
Joe Peterson <joe@skyrush.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by:
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Daniel Walker authored
Just converting this documentation semaphore reference, since we don't want to promote semaphore usage. Signed-off-by:
Daniel Walker <dwalker@mvista.com> Acked-by:
Corey Minyard <minyard@acm.org> Cc: Greg KH <greg@kroah.com> Signed-off-by:
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Eric Dumazet authored
We can use ilog2() in fs/namespace.c to compute hash_bits and hash_mask at compile time, not runtime. [akpm@linux-foundation.org: clean it all up] Signed-off-by:
Eric Dumazet <dada1@cosmosbay.com> Signed-off-by:
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Andrew Morton authored
- Account for debug_smp_processor_id()'s own preempt_disable() when displaying the preempt_count(). - 80 cols, not 800. Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by:
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