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* RTC: Convert rtc drivers to use the alarm_irq_enable methodJohn Stultz2011-02-031-26/+5
| | | | | | | | | | | | | | | | | | | Some rtc drivers use the ioctl method instead of the alarm_irq_enable method for enabling alarm interupts. With the new virtualized RTC rework, its important for drivers to use the alarm_irq_enable instead. This patch converts the drivers that use the AIE ioctl method to use the alarm_irq_enable method. Other ioctl cmds are left untouched. I have not been able to test or even compile most of these drivers. Any help to make sure this change is correct would be appreciated! CC: Alessandro Zummo <a.zummo@towertech.it> CC: Thomas Gleixner <tglx@linutronix.de> CC: Marcelo Roberto Jimenez <mroberto@cpti.cetuc.puc-rio.br> Reported-by: Marcelo Roberto Jimenez <mroberto@cpti.cetuc.puc-rio.br> Tested-by: Marcelo Roberto Jimenez <mroberto@cpti.cetuc.puc-rio.br> Signed-off-by: John Stultz <john.stultz@linaro.org>
* x86, mrst: Add explanation for using 1960 as the year offset for vrtcFeng Tang2010-11-171-1/+5
| | | | | | | | | | Explain the reason for the apparently odd choice of year offset so we don't get more questions about it. Signed-off-by: Feng Tang <feng.tang@intel.com> Signed-off-by: Alan Cox <alan@linux.intel.com> LKML-Reference: <20101117121050.9998.89348.stgit@localhost.localdomain> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* rtc: Add drivers/rtc/rtc-mrst.cFeng Tang2010-11-111-0/+578
Provide the standard kernel rtc driver interface on top of the vrtc layer added in the previous patch. Signed-off-by: Feng Tang <feng.tang@intel.com> LKML-Reference: <20101110172911.3311.20593.stgit@localhost.localdomain> [Fixed swapped arguments on IPC] Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> [Cleaned up and the device creation moved to arch/x86/platform] Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>