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PowerPC has been a long time user of the generic RTC abstraction, so hook up
rtc-generic:
- Create the "rtc-generic" platform device if ppc_md.get_rtc_time is set,
- Kill rtc-ppc, as rtc-generic offers the same functionality in a more
generic way, and supports autoloading through udev.
Signed-off-by: Geert Uytterhoeven <[email protected]>
Acked-by: David Woodhouse <[email protected]>
Acked-by: Alessandro Zummo <[email protected]>
Acked-by: Benjamin Herrenschmidt <[email protected]>
Signed-off-by: Kyle McMartin <[email protected]>
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m68k has been a long time user of the generic RTC abstraction, so hook up
rtc-generic:
- Create the "rtc-generic" platform device if mach_hwclk is set,
- Add checks for mach_hwclk, in anticipation of RTC chip drivers being moved
to drivers/rtc/.
Signed-off-by: Geert Uytterhoeven <[email protected]>
Acked-by: Alessandro Zummo <[email protected]>
Signed-off-by: Kyle McMartin <[email protected]>
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The rtc-parisc driver is not PA-RISC specific at all, as it uses the existing
(but deprecated) generic RTC infrastructure ([gs]et_rtc_time()).
Rename the driver from rtc-parisc to rtc-generic.
Signed-off-by: Geert Uytterhoeven <[email protected]>
Acked-by: Alessandro Zummo <[email protected]>
Signed-off-by: Kyle McMartin <[email protected]>
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Make udev autoload the driver
Signed-off-by: Geert Uytterhoeven <[email protected]>
Acked-by: Alessandro Zummo <[email protected]>
Signed-off-by: Kyle McMartin <[email protected]>
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When using platform_driver_probe(), it's not needed to setup a .probe
function, and .remove should be marked __exit_p(), not __devexit_p().
Signed-off-by: Geert Uytterhoeven <[email protected]>
Acked-by: Alessandro Zummo <[email protected]>
Cc: dann frazier <[email protected]>
Signed-off-by: Kyle McMartin <[email protected]>
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Signed-off-by: Geert Uytterhoeven <[email protected]>
Acked-by: Alessandro Zummo <[email protected]>
Signed-off-by: Kyle McMartin <[email protected]>
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new_alarm is unsigned so test before the subtraction.
[[email protected]: time-wrapping fix]
Signed-off-by: Roel Kluin <[email protected]>
Cc: David Brownell <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Signed-off-by: Mike Rapoport <[email protected]>
Acked-by: Alessandro Zummo <[email protected]>
Cc: David Brownell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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With a postfix decrement retries will reach -1 rather than 0, so the
warning and error-out will not occur.
Signed-off-by: Roel Kluin <[email protected]>
Acked-by: Mark Brown <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Add support for the EPSON RX8025 RTC. The date/time registers of this
chip are compatible with the DS1307.
Signed-off-by: Matthias Fuchs <[email protected]>
Signed-off-by: Alessandro Zummo <[email protected]>
Cc: David Brownell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Allow the rtc-ds1307 driver to work with SMBus controllers like nforce2
that do not support i2c block transfers.
Signed-off-by: Ed Swierk <[email protected]>
Acked-by: Jean Delvare <[email protected]>
Acked-by: David Brownell <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Cc: BARRE Sebastien <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Signed-off-by: dann frazier <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Cc: Kyle McMartin <[email protected]>
Cc: Grant Grundler <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Signed-off-by: dann frazier <[email protected]>
Reviewed-by: Grant Grundler <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Cc: Kyle McMartin <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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This isn't a hotpluggable device, so call platform_driver_probe
directly in parisc_rtc_init
Signed-off-by: dann frazier <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Cc: Kyle McMartin <[email protected]>
Cc: Grant Grundler <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Use the return value of rtc_valid_tm() instead of just returning 0.
Signed-off-by: dann frazier <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Cc: Kyle McMartin <[email protected]>
Cc: Grant Grundler <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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parisc_rtc now only includes an rtc_device pointer, so let's
just use the rtc_device type directly.
Signed-off-by: dann frazier <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Cc: Kyle McMartin <[email protected]>
Cc: Grant Grundler <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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The RTC subsystem proides ops locking, no need to implement our own
Signed-off-by: dann frazier <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Cc: Kyle McMartin <[email protected]>
Cc: Grant Grundler <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Signed-off-by: dann frazier <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Cc: Kyle McMartin <[email protected]>
Cc: Grant Grundler <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Munge Stephane Eranian's efirtc.c code into an rtc platform driver
[[email protected]: use is_leap_year()]
Signed-off-by: dann frazier <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Cc: stephane eranian <[email protected]>
Cc: "Luck, Tony" <[email protected]>
Cc: David Brownell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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- the LEAP_YEAR macro is buggy - it references its arg multiple times.
Fix this by turning it into a C function.
- give it a more approriate name
- Move it to rtc.h so that other .c files can use it, instead of copying it.
Cc: dann frazier <[email protected]>
Acked-by: Alessandro Zummo <[email protected]>
Cc: stephane eranian <[email protected]>
Cc: "Luck, Tony" <[email protected]>
Cc: David Brownell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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These are the only two ioctls so the ioctl() function is also removed.
Signed-off-by: Mark Brown <[email protected]>
Cc: Acked-by: Alessandro Zummo <[email protected]>
Cc: David Brownell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Setting ->owner as done currently (pde->owner = THIS_MODULE) is racy
as correctly noted at bug #12454. Someone can lookup entry with NULL
->owner, thus not pinning enything, and release it later resulting
in module refcount underflow.
We can keep ->owner and supply it at registration time like ->proc_fops
and ->data.
But this leaves ->owner as easy-manipulative field (just one C assignment)
and somebody will forget to unpin previous/pin current module when
switching ->owner. ->proc_fops is declared as "const" which should give
some thoughts.
->read_proc/->write_proc were just fixed to not require ->owner for
protection.
rmmod'ed directories will be empty and return "." and ".." -- no harm.
And directories with tricky enough readdir and lookup shouldn't be modular.
We definitely don't want such modular code.
Removing ->owner will also make PDE smaller.
So, let's nuke it.
Kudos to Jeff Layton for reminding about this, let's say, oversight.
http://bugzilla.kernel.org/show_bug.cgi?id=12454
Signed-off-by: Alexey Dobriyan <[email protected]>
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Conflicts:
sound/soc/pxa/pxa2xx-i2s.c
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: (61 commits)
Dynamic debug: fix pr_fmt() build error
Dynamic debug: allow simple quoting of words
dynamic debug: update docs
dynamic debug: combine dprintk and dynamic printk
sysfs: fix some bin_vm_ops errors
kobject: don't block for each kobject_uevent
sysfs: only allow one scheduled removal callback per kobj
Driver core: Fix device_move() vs. dpm list ordering, v2
Driver core: some cleanup on drivers/base/sys.c
Driver core: implement uevent suppress in kobject
vcs: hook sysfs devices into object lifetime instead of "binding"
driver core: fix passing platform_data
driver core: move platform_data into platform_device
sysfs: don't block indefinitely for unmapped files.
driver core: move knode_bus into private structure
driver core: move knode_driver into private structure
driver core: move klist_children into private structure
driver core: create a private portion of struct device
driver core: remove polling for driver_probe_done(v5)
sysfs: reference sysfs_dirent from sysfs inodes
...
Fixed conflicts in drivers/sh/maple/maple.c manually
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Cc: [email protected]
Cc: [email protected]
Signed-off-by: Kay Sievers <[email protected]>
Signed-off-by: Alessandro Zummo <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Having a RTC that doesn't maintain proper time across a reboot is one
thing. But a RTC that doesn't work at all and only causes timeouts is
another.
Tested-by: Martin Michlmayr <[email protected]>
Signed-off-by: Nicolas Pitre <[email protected]>
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Flag that the SuperH RTC supports wakeup.
Signed-off-by: Magnus Damm <[email protected]>
Signed-off-by: Paul Mundt <[email protected]>
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This patch modifies invalid time handling in the
SuperH RTC driver. Instead of zeroing the returned
value at read-out time we just return an error code
and reset invalid values during probe.
Signed-off-by: Magnus Damm <[email protected]>
Signed-off-by: Paul Mundt <[email protected]>
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This patch modifies the SuperH RTC driver to only
enable carry interrupts when needed. So by default
no interrupts are enabled with this patch. Without
this patch a suspending system will most likely
wake up by the carry interrupt regardless if the
alarm interrupt has been enabled or not.
Signed-off-by: Magnus Damm <[email protected]>
Signed-off-by: Paul Mundt <[email protected]>
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Conflicts:
arch/arm/mach-at91/gpio.c
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The remaining registers are separated into:
- <mach/regs-ost.h>
- <mach/regs-rtc.h>
- <mach/regs-intc.h>
and then we can remove pxa-regs.h completely. Instead of #include this
file, let's:
1. include the specific <mach/regs-*.h> with care (if that's absolutely
necessary)
2. define the registers in the driver, make cleanly defined API to expose
the register access to external with sufficient reason
Signed-off-by: Eric Miao <[email protected]>
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Signed-off-by: Paul Mundt <[email protected]>
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Add support for single IRQ hardware to the sh-rtc driver.
This is useful for processors with limited interrupt masking
support such as sh7750 and sh7780. With this patch in place we
can add logic to the intc code that merges all RTC vectors into
a single linux interrupt with proper masking/unmasking support.
Specify a single IRQ in the platform data to use this new shared
IRQ feature. Separate Periodic/Carry/Alarm IRQs are still supported.
Signed-off-by: Magnus Damm <[email protected]>
Signed-off-by: Paul Mundt <[email protected]>
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With a postfix decrement t will reach -1 rather than 0, so neither the
warning nor the `goto error_out' will occur.
Signed-off-by: Roel Kluin <[email protected]>
Acked-by: Manuel Lauss <[email protected]>
Acked-by: Alessandro Zummo <[email protected]>
Cc: David Brownell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Signed-off-by: Robert Jarzmik <[email protected]>
Signed-off-by: Alessandro Zummo <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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drivers/rtc/rtc-ds1390.c:125: warning: unused variable 'rtc'
Signed-off-by: Manish Katiyar <[email protected]>
Signed-off-by: Alessandro Zummo <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Simple RTC driver for the MSP430 firmware on the DM355 EVM board. Other
than not supporting atomic reads/writes of all four bytes, this is
reasonable as a basic no-alarm RTC.
Signed-off-by: David Brownell <[email protected]>
Signed-off-by: Kevin Hilman <[email protected]>
Acked-by: Alessandro Zummo <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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A triggering RTC alarm should be able to power on a device that has been
powered off. This patch enables that on twl4030 by not masking the alarm
interrupt at shutdown.
Signed-off-by: Matti Halme <[email protected]>
Signed-off-by: Alessandro Zummo <[email protected]>
Acked-by: David Brownell <[email protected]>
Cc: Tony Lindgren <[email protected]>
Cc: Samuel Ortiz <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Fix these build errors:
CC drivers/rtc/rtc-pxa.o
drivers/rtc/rtc-pxa.c: In function `pxa_rtc_init':
drivers/rtc/rtc-pxa.c:472: error: implicit declaration of function `cpu_is_pxa27x'
drivers/rtc/rtc-pxa.c:472: error: implicit declaration of function `cpu_is_pxa3xx'
Signed-off-by: Antonio Ospite <[email protected]>
Signed-off-by: Alessandro Zummo <[email protected]>
Cc: David Brownell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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- implement alarm_irq_enable
- return correct error code when registering fails
[[email protected]: build fixes, force 1/sec irqs]
Signed-off-by: Alessandro Zummo <[email protected]>
Signed-off-by: David Brownell <[email protected]>
Cc: Tony Lindgren <[email protected]>
Cc: Samuel Ortiz <[email protected]>
Cc: [email protected]
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Signed-off-by: Balaji Rao <[email protected]>
Cc: Andy Green <[email protected]>
Acked-by: Alessandro Zummo <[email protected]>
Cc: Paul Gortmaker <[email protected]>
Cc: [email protected]
Signed-off-by: Samuel Ortiz <[email protected]>
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* git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6:
parisc: export length of os_hpmc vector
parisc: fix kernel crash (protection id trap) when compiling ruby1.9
parisc: Use DEFINE_SPINLOCK
parisc: add uevent helper for parisc bus
parisc: fix ipv6 checksum
parisc: quiet palo not-found message from "which"
parisc: Replace NR_CPUS in parisc code
parisc: trivial fixes
parisc: fix braino in commit adding __space_to_prot
parisc: factor out sid to protid conversion
parisc: use leX_to_cpu in place of __fswabX
parisc: fix GFP_KERNEL use while atomic in unwinder
parisc: remove dead BIO_VMERGE_BOUNDARY and BIO_VMERGE_MAX_SIZE definitions
parisc: set_time() catch errors
parisc: use the new byteorder headers
parisc: drivers/parisc/: make code static
parisc: lib/: make code static
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Remove RTC register value checks from the rtc-ds1307 probe() function.
They were left over from the legacy style I2C driver, which had to defend
against finding a non-RTC chip when the driver was probed.
Also fix a minor glitch in the alarm support: DS1307 chips don't have
alarms, so name those methods after one of the chips which actually *do*
have alarms (DS1337).
Signed-off-by: Jüri Reitel <[email protected]>
Signed-off-by: David Brownell <[email protected]>
Cc: Sebastien Barre <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Acked-by: Jean Delvare <[email protected]>
Cc: Rodolfo Giometti <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Change i2c access functions to SMBus access functions in order to use the
ds1307 with SMBus adapter.
Signed-off-by: Sebastien Barre <[email protected]>
Acked-by: David Brownell <[email protected]>
Tested-by: David Brownell <[email protected]>
Acked-by: Alessandro Zummo <[email protected]>
Acked-by: Jean Delvare <[email protected]>
Cc: Rodolfo Giometti <[email protected]>
Tested-by: Sebastien Barre <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (24 commits)
trivial: chack -> check typo fix in main Makefile
trivial: Add a space (and a comma) to a printk in 8250 driver
trivial: Fix misspelling of "firmware" in docs for ncr53c8xx/sym53c8xx
trivial: Fix misspelling of "firmware" in powerpc Makefile
trivial: Fix misspelling of "firmware" in usb.c
trivial: Fix misspelling of "firmware" in qla1280.c
trivial: Fix misspelling of "firmware" in a100u2w.c
trivial: Fix misspelling of "firmware" in megaraid.c
trivial: Fix misspelling of "firmware" in ql4_mbx.c
trivial: Fix misspelling of "firmware" in acpi_memhotplug.c
trivial: Fix misspelling of "firmware" in ipw2100.c
trivial: Fix misspelling of "firmware" in atmel.c
trivial: Fix misspelled firmware in Kconfig
trivial: fix an -> a typos in documentation and comments
trivial: fix then -> than typos in comments and documentation
trivial: update Jesper Juhl CREDITS entry with new email
trivial: fix singal -> signal typo
trivial: Fix incorrect use of "loose" in event.c
trivial: printk: fix indentation of new_text_line declaration
trivial: rtc-stk17ta8: fix sparse warning
...
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rtc is clearly does not satisfy IS_ERR at the point where it is tested, so
I have changed the test to consider the just initialized rtc->rtc_dev.
The semantic match that finds the problem is as follows:
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@match exists@
expression x, E;
identifier fld;
position p1,p2;
@@
(
x = E;
|
x = E
|
x@p1->fld
... when != x = E
IS_ERR(x@p2)
... when any
)
@other_match exists@
expression match.x, E1, E2;
position match.p1,match.p2;
@@
x = E1
... when != x = E2
when != x@p1
x@p2
@ script:python depends on !other_match@
p1 << match.p1;
p2 << match.p2;
@@
print "* file %s dereference %s test %s" % (p1[0].file,p1[0].line,p2[0].line)
// </smpl>
Signed-off-by: Julia Lawall <[email protected]>
Acked-by: Alessandro Zummo <[email protected]>
Cc: David Brownell <[email protected]>
Cc: Bryan Wu <[email protected]>
Cc: Mike Frysinger <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Driver for the on-chip RTC found in some of Marvell's SoCs such as the
Kirkwood 88F6281 and 88F6192 devices.
Signed-off-by: Saeed Bishara <[email protected]>
Signed-off-by: Lennert Buytenhek <[email protected]>
Signed-off-by: Nicolas Pitre <[email protected]>
Signed-off-by: Alessandro Zummo <[email protected]>
Cc: David Brownell <[email protected]>
Cc: Russell King <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Fixes a few issues with the rtc-ds1216 driver
- use rtc_valid_tm
- use platform_driver_probe
- fix init sequence - it was using rtc_unregister_driver where not
needed. I also added resource_size and removed an useless pointer
assignment.
Signed-off-by: Alessandro Zummo <[email protected]>
Tested-by: Thomas Bogendoerfer <[email protected]>
Cc: David Brownell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Add support for RTC in TX4939 SoC.
Signed-off-by: Atsushi Nemoto <[email protected]>
Acked-by: Alessandro Zummo <[email protected]>
Cc: David Brownell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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