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The unit in which user-space can set the bus timeout value is jiffies
for historical reasons (back when HZ was always 100.) This is however
not good because user-space doesn't know how long a jiffy lasts. The
timeout value should instead be set in a fixed time unit. Given the
original value of HZ, this unit should be 10 ms, for compatibility.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
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Move the i2c-dev support into <linux/i2c-dev.h> where it should always
have lived. Now <linux/i2c.h> no longer holds stuff related to the
optional userspace /dev/i2c-X interface. Improve the descriptions
for these ioctl requests.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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CVS revision IDs are totally useless and irrelevant by now.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch lets i2c-dev.h include linux/compiler.h so that __user is defined.
Signed-off-by: GOTO Masanori <gotom@debian.or.jp>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
I needed those for the G5 on ppc64, so here they are, I was only
able to test the SMBUS stuff though.
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small updates to bring us nearer the lm_Sensors CVS (docs, comments,
missing statics, named initializers). I still need to review their
actual code changes before submitting those..
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* version code checks for pre-2.4 version
* !__KERNEL__ stuff in headers.
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Please apply the two of four tested patches that update
2.5.31 with these I2C changes:
o Support for SMBus 2.0 PEC Packet Error Checking
o New adapter-i2c-frodo for SA 1110 board
o New adapter-i2c-rpx for embeded MPC8XX
o Replace depreciated cli()&sti() with spin_{un}lock_irq()
o Updated documentation
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i2c-core.c:Leave LINUX_VERSION in kernel. Leave i2c_debug=1. Leave
CONFIG names as in the kernel. Remove #ifdef MODULE_LICENSE around
MODULE_LICENSE.
i2c-dev.c:Remove #ifdef MODULE_LICENSE around MODULE_LICENSE.
Remove compatibality code for < 2.4.0
i2c-proc.c: Print message on kmalloc failure. Leave ENOMEM as in kernel.
Remove #ifdef MODULE_LICENSE around MODULE_LICENSE. Remove 2.2.19 compat
code.
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- Trond Myklebust: deadlock checking in lockd server
- Tim Waugh: fix up parport wrong #define
- Christoph Hellwig: i2c update, ext2 cleanup
- Al Viro: fix partition handling sanity check.
- Trond Myklebust: make NFS use SLAB_NOFS, and not play games with PF_MEMALLOC
- Ben Fennema: UDF update
- Alan Cox: continued merging
- Chris Mason: get /proc buffer memory sizes right after buf-in-page-cache
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- Anton Altaparmakov: NTFS error checking
- Johannes Erdfelt: USB updates
- OGAWA Hirofumi: FAT update
- Alan Cox: driver + s390 update merge
- Richard Henderson: fix alpha sigsuspend error return value
- Marcelo Tosatti: per-zone VM shortage
- Daniel Phillips: generic use-once optimization instead of drop-behind
- Bjorn Wesen: Cris architecture update
- Anton Altaparmakov: support for Windows Dynamic Disks
- James Washer: LDT loading SMP bug fix
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