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4cdf854f7d
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 <dbrownell@users.sourceforge.net>
Cc: Michel Benoit <murpme@gmail.com>
Cc: Nicolas Ferre <nicolas.ferre@rfo.atmel.com>
Cc: Andrew Victor <linux@maxim.org.za>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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|---|---|---|
| .. | ||
| class.c | ||
| hctosys.c | ||
| interface.c | ||
| Kconfig | ||
| Makefile | ||
| rtc-at32ap700x.c | ||
| rtc-at91rm9200.c | ||
| rtc-at91sam9.c | ||
| rtc-bfin.c | ||
| rtc-cmos.c | ||
| rtc-core.h | ||
| rtc-dev.c | ||
| rtc-ds1216.c | ||
| rtc-ds1302.c | ||
| rtc-ds1307.c | ||
| rtc-ds1374.c | ||
| rtc-ds1511.c | ||
| rtc-ds1553.c | ||
| rtc-ds1672.c | ||
| rtc-ds1742.c | ||
| rtc-ep93xx.c | ||
| rtc-isl1208.c | ||
| rtc-lib.c | ||
| rtc-m41t80.c | ||
| rtc-m48t59.c | ||
| rtc-m48t86.c | ||
| rtc-max6900.c | ||
| rtc-max6902.c | ||
| rtc-omap.c | ||
| rtc-pcf8563.c | ||
| rtc-pcf8583.c | ||
| rtc-pl031.c | ||
| rtc-proc.c | ||
| rtc-r9701.c | ||
| rtc-rs5c313.c | ||
| rtc-rs5c348.c | ||
| rtc-rs5c372.c | ||
| rtc-s3c.c | ||
| rtc-sa1100.c | ||
| rtc-sh.c | ||
| rtc-stk17ta8.c | ||
| rtc-sysfs.c | ||
| rtc-test.c | ||
| rtc-v3020.c | ||
| rtc-vr41xx.c | ||
| rtc-x1205.c | ||