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path: root/drivers/rtc/rtc-ds1307.c
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2008-04-29i2c: Convert most new-style drivers to use module aliasingJean Delvare
Based on earlier work by Jon Smirl and Jochen Friedrich. Update most new-style i2c drivers to use standard module aliasing instead of the old driver_name/type driver matching scheme. I've left the video drivers apart (except for SoC camera drivers) as they're a bit more diffcult to deal with, they'll have their own patch later. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Jon Smirl <jonsmirl@gmail.com> Cc: Jochen Friedrich <jochen@scram.de>
2008-04-29i2c: Add support for device alias namesJean Delvare
Based on earlier work by Jon Smirl and Jochen Friedrich. This patch allows new-style i2c chip drivers to have alias names using the official kernel aliasing system and MODULE_DEVICE_TABLE(). At this point, the old i2c driver binding scheme (driver_name/type) is still supported. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Jochen Friedrich <jochen@scram.de> Cc: Jon Smirl <jonsmirl@gmail.com> Cc: Kay Sievers <kay.sievers@vrfy.org>
2008-02-06rtc ds1307: ds_1340 change initfrederic Rodo
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: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14rtc-ds1307 exports NVRAMDavid Brownell
Export the NVRAM on DS1307 and DS1338 chips, like several of the other drivers do for such combination RTC-and-NVRAM chips. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Acked-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-26rtc-ds1307: typo fix found by coverityDavid Brownell
Fix a typo turned up by a Coverity check: referring to the wrong register, which could cause problems with DS1338 RTCs whose oscillators halted. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-17rtc-ds1307 becomes new-style i2c driverDavid Brownell
Convert the rtc-ds1307 driver into a "new style" driver. Also improve probe() checks: be more correct about switching out of AM/PM mode, and issue a (debug) diagnostic when failing due to bogus register values. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Andrew Victor <andrew@sanpeople.com> Cc: Bill Gatliff <bgat@billgatliff.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Kumar Gala <galak@gate.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-17rtc-ds1307: oscillator restart for ds13{37,38,39,40}Rodolfo Giometti
When we find a ds1337 or ds1339 with the oscillator powered off, turn it on. If the oscillator fault flag was set, clear it and warn that the clock needs to be set. David Brownell: Bugfixes; provide corresponding update for ds1338, and the core of the fix for ds1340. Use a common warning message ("SET TIME!") whenever the clock needs to be set after oscillator fault (or oscillator enable, if fault is not a separate status). Signed-off-by: Rodolfo Giometti <giometti@linux.it> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-17rtc-ds1307 cleanupsDavid Brownell
This updates the rtc-ds1307 driver so that converting it to a "new style" driver (driver model, not legacy i2c model) will involve fewer changes. - Use pointer to i2c_client almost everywhere, so that it's easy to let the i2c core create that object; - Avoid using i2c_client.adapter, since that field is redundant and thus may go away (same object as i2c_client.dev.parent). - Extend type enum to include various RTCs this is expected to work with, and include register support for them. It also cleans up the support for multiple chip types, and fixes a glitch that could appear with an un-initialized RTC. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2006-10-04[PATCH] RTC: build fixesJeff Garzik
Fix obvious build breakage revealed by 'make allyesconfig' in current -git. Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-01[PATCH] constify rtc_class_ops: update driversDavid Brownell
Update RTC framework so that drivers can constify their method tables, moving them from ".data" to ".rodata". Then update the drivers. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-25[PATCH] "RTC-framework" driver for DS1307 and similar RTC chipsDavid Brownell
This is an "RTC-framework" driver for DS1307 and similar RTC chips, It should be a full replacement for the existing ds1337.c driver (using the older RTC glue), giving a net increase in the number of RTC chips that work out-of-the-box. There's a whole cluster of RTCs that are very similar, but the 1337 driver was a bit too picky to work with most of them. Still no support for RTC alarm IRQs (on chips that support them). Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: James Chapman <jchapman@katalix.com> Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>