- 06 Feb, 2008 40 commits
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Adrian Bunk authored
geode_modedb[] can become static. Signed-off-by:
Adrian Bunk <bunk@kernel.org> Cc: Jordan Crouse <jordan.crouse@amd.com> Cc: Antonino Daplas <adaplas@gmail.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Guennadi Liakhovetski authored
This third part of an extension to support more pca953x chips updates the logic to handle the smaller register widths used by the 4-bit and 8-bit parts, and to use the chip type to determine how many GPIOs it provides. As long as we don't support interrupt and reset capabilities, those size issues are the only software-visible differences between these parts. Signed-off-by:
Guennadi Liakhovetski <g.liakhovetski@pengutronix.de> Signed-off-by:
David Brownell <dbrownell@users.sourceforge.net> Signed-off-by:
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Guennadi Liakhovetski authored
This second part of an extension to support more pca953x chips renames the C and Kconfig symbols. All affected files were updated by sed, except for a couple of obvious exceptions. It also updates the Kconfig helptext. Signed-off-by:
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Guennadi Liakhovetski authored
First part of an extension to let the pca9539 driver support more chips, starting with pca9534, pca9535, pca9536, pca9537, and pca9538. This renames the files and modifies the Makefile. Signed-off-by:
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Ville Syrjala authored
Add a GPIO 1-wire bus master driver. The driver used the GPIO API to control the wire and the GPIO pin can be specified using platform data similar to i2c-gpio. The driver was tested with AT91SAM9260 + DS2401. Signed-off-by:
Ville Syrjala <syrjala@sci.fi> Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Cc: David Brownell <david-b@pacbell.net> Signed-off-by:
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David Brownell authored
AT91sam9 RTC support, primarily in the form of an RTT-as-RTC driver that was extracted from 2.6.23-at91 patch and updated: - Relies on now-merged platform updates, which associate the RTT hardware address with each RTT and use the "at91_rtt" name. - RTC framework related fixes and cleanups, notably: * removed now-needless suspend/resume clock offset logic * alarm read/write now respects the "enabled" flag * suspend always disables update irqs * shutdown (and startup) disables all irqs - Misc cleanup: * use dev_*() messaging * add comments * remove globals, * ... etc - Don't force use of RTT0 and GPBR0. Either resource may need to be used for other purposes (like NO_HZ support). - Update "AT91RM9200 RTC" Kconfig to allow it on SAM9RL chips (it has both RTT and RTC). Driver binding uses bus_find_device() to avoid needing any kind of "timer library" code when there's more than one RTT module. (This timer can be used as an RTC, to support NO_HZ operation, or potentially for other stuff. The choice is a per-system policy.) Signed-off-by: -
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:
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Mike Frysinger authored
No functional changes here, just tighten up style/whitespace. Signed-off-by:
Mike Frysinger <vapier@gentoo.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Signed-off-by:
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Mike Frysinger authored
Document the proper use of the irq_set_freq function. Signed-off-by:
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frederic Rodo authored
For DS140, clear the oscillator fault flag as needed. Signed-off-by:
Frederic RODO <f.rodo@til-technologies.fr> [ And remove some "sparse" warnings. ] Signed-off-by:
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Magnus Damm authored
Add support for the Epson RTC-9701JE SPI RTC device. Signed-off-by:
Magnus Damm <damm@igel.co.jp> Acked-by:
Alessandro Zummo <a.zummo@towertech.it> Acked-by:
David Brownell <david-b@pacbell.net> Signed-off-by:
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Magnus Damm authored
Add support for the Epson RTC-9701JE SPI RTC device. Signed-off-by:
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Cyrill Gorcunov authored
Convert ioctl call to unlocked_ioctl form. It is possible (in that simple way) due to a spinlock protection. Signed-off-by:
Cyrill Gorcunov <gorcunov@gmail.com> Acked-by:
Jiri Slaby <jirislaby@gmail.com> Signed-off-by:
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Bernhard Walle authored
That patch adds the RTC emulation of the HPET timer to the new RTC_DRV_CMOS. The old drivers/char/rtc.ko driver had that functionality and it's important on new systems. [akpm@linux-foundation.org: unbreak alpha build] Signed-off-by:
Bernhard Walle <bwalle@suse.de> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Andi Kleen <ak@suse.de> Cc: john stultz <johnstul@us.ibm.com> Cc: Robert Picco <Robert.Picco@hp.com> Signed-off-by:
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Mike Frysinger authored
- thus clearing out the need for spin locks - add a small optimization for reading of the rtc field Signed-off-by:
Mike Frysinger <michael.frysinger@analog.com> Signed-off-by:
Bryan Wu <bryan.wu@analog.com> Acked-by:
Alessandro Zummo <alessandro.zummo@towertech.it> Signed-off-by:
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Mike Frysinger authored
Signed-off-by:
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Mike Frysinger authored
also, dont bother using memcpy since we can just do an assignment of the same structure. Signed-off-by:
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Mike Frysinger authored
Signed-off-by:
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Mike Frysinger authored
Blackfin RTC driver: cleanup proc handler (we dont need RTC reg dump now that we have MMR filesystem in sysfs) Signed-off-by:
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Mike Frysinger authored
Blackfin RTC driver: we pass in a (struct device*) to the irq handler, not a (struct platform_device*), so fix the irq handler Signed-off-by:
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Mike Frysinger authored
Blackfin RTC driver: the frequency function is in units of Hz, not units of seconds, so lock our driver down to 1 Hz Signed-off-by:
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Andrew Sharp authored
Add RTC support for DS1511 RTC/WDT chip. Signed-off-by:
Andy Sharp <andy.sharp@onstor.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Signed-off-by:
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David Brownell authored
Start making the rtc-cmos alarm act more like a oneshot alarm by disabling that alarm after its IRQ fires. (ACPI hooks are also needed.) The Linux RTC framework has previously been a bit vague in this area, but any other behavior is problematic and not very portable. RTCs with full YYYY-MM-DD HH:MM[:SS] alarms won't have a problem here. Only ones with partial match criteria, with the most visible example being the PC RTC, get confused. (Because the criteria will match repeatedly.) Update comments relating to that oneshot behavior and timezone handling. (Timezones are another issue that's mostly visible with rtc-cmos. That's because PCs often dual-boot MS-Windows, which likes its RTC to match local wall-clock time instead of UTC.) Signed-off-by:
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Paul Mundt authored
This adds a basic ds1302 RTC driver, which is basically a cleanup and move of the in-tree SH SecureEdge5410 code (which is currently located in arch/sh/board/snapgear/rtc.c) to drivers/rtc. This aims to be a building block that the M32R and CRIS code can be worked on top of, so we can get rid of drivers/char/ds1302.c and arch/cris/arch-v10/drivers/ds1302.c respectively, though more work is needed for this. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by:
Paul Mundt <lethal@linux-sh.org> Signed-off-by:
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David Brownell authored
This makes rtc-cmos export its NVRAM, like several other RTC drivers. It still works within the limits of the current CMOS_READ/CMOS_WRITE calls, which don't understand how to access multiple register banks. The primary impact of that limitation is that Linux can't access the uppermost 128 bytes of NVRAM on many systems. Note that this isn't aiming to be a drop-in replacement for the legacy /dev/nvram support. (Presumably that has real users, and isn't just getting carried forward automatically?) Userspace handles more work: - When userspace code updates NVRAM, that will need to include updating any platform-specific checksums that may apply. - No /proc/driver/nvram file will parse and display NVRAM data according to whichever boot firmware your board expects. Also minor pnp-related updates: update a comment, remove dead code. Signed-off-by:
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Robert P. J. Day authored
Use is_power_of_2() macro for simplicity. Signed-off-by:
Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by:
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Jean Delvare authored
The rtc-pcf8583 driver is using the I2C_M_NOSTART flag but shouldn't. This flag is only meant for broken chips and the PCF8583 RTC chip is not one of these. Signed-off-by:
Jean Delvare <khali@linux-fr.org> Signed-off-by:
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Alessandro Zummo authored
Add adds a warning if a potentially conflicting RTC option has been selected and makes some other cosmetic fixes to the Kconfig. Signed-off-by:
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Miklos Szeredi authored
Libfuse basically creates a new thread for each new request. This is fine for synchronous requests, which are naturally limited. However background requests (especially writepage) can cause a thread creation storm. To avoid this, limit the number of background requests available to userspace. This is done by introducing another queue for background requests, and a counter for the number of "active" requests, which are currently available for userspace. Signed-off-by:
Miklos Szeredi <mszeredi@suse.cz> Signed-off-by:
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Miklos Szeredi authored
Move the fields 'dentry' and 'vfsmount' into the request specific union, since these are only used for the RELEASE request. Signed-off-by:
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Miklos Szeredi authored
Invalidate attributes on create, since st_ctime is updated. Reported by Szabolcs Szakacsits. Signed-off-by:
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Eric Sandeen authored
Jeff Moyer pointed out that a mount; umount loop of ecryptfs, with the same cipher & other mount options, created a new ecryptfs_key_tfm_cache item each time, and the cache could grow quite large this way. Looking at this with mhalcrow, we saw that ecryptfs_parse_options() unconditionally called ecryptfs_add_new_key_tfm(), which is what was adding these items. Refactor ecryptfs_get_tfm_and_mutex_for_cipher_name() to create a new helper function, ecryptfs_tfm_exists(), which checks for the cipher on the cached key_tfm_list, and sets a pointer to it if it exists. This can then be called from ecryptfs_parse_options(), and new key_tfm's can be added only when a cached one is not found. With list locking changes suggested by akpm. Signed-off-by:
Eric Sandeen <sandeen@redhat.com> Cc: Michael Halcrow <mhalcrow@us.ibm.com> Cc: Jeff Moyer <jmoyer@redhat.com> Signed-off-by:
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Trevor Highland authored
Only the lower byte of cipher_code is ever used, so it makes sense for its type to be u8. Signed-off-by:
Trevor Highland <trevor.highland@gmail.com> Cc: Michael Halcrow <mhalcrow@us.ibm.com> Signed-off-by:
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Michael Halcrow authored
The printk statements that result when the user does not have the proper key available could use some refining. Signed-off-by:
Mike Halcrow <mhalcrow@us.ibm.com> Cc: Mike Halcrow <mhalcrow@us.ibm.com> Signed-off-by:
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Eric Sandeen authored
ecryptfs_debug really should not be a mount option; it is not per-mount, but rather sets a global "ecryptfs_verbosity" variable which affects all mounted filesysytems. It's already settable as a module load option, I think we can leave it at that. Also, if set, since secret values come out in debug messages, kick things off with a stern warning. Signed-off-by:
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Eric Sandeen authored
Change ecryptfs_show_options to reflect the actual mount options in use. Note that this does away with the "dir=" output, which is not a valid mount option and appears to be unused. Mount options such as "ecryptfs_verbose" and "ecryptfs_xattr_metadata" are somewhat indeterminate for a given fs, but in any case the reported mount options can be used in a new mount command to get the same behavior. [akpm@linux-foundation.org: fix printk warning] Signed-off-by:
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Trevor Highland authored
There is no need to keep re-setting the same key for any given eCryptfs inode. This patch optimizes the use of the crypto API and helps performance a bit. Signed-off-by:
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Michael Halcrow authored
Remove internal references to header extents; just keep track of header bytes instead. Headers can easily span multiple pages with the recent persistent file changes. Signed-off-by:
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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:
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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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