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Re: [PATCH] rtc: opal: Implement rtc_class_ops.alarm_irq_enable callback

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  Re: [PATCH] rtc: opal: Implement rtc_class_ops.alarm_irq_enable  callback Alexandre Belloni <alexandre.belloni@free-electrons.com> - 2017-06-24 07:50 +0200

#1674007 — Re: [PATCH] rtc: opal: Implement rtc_class_ops.alarm_irq_enable callback

On 31/05/2017 at 18:39:01 +0530, Vaibhav Jain wrote:
> Provide an implementation of the callback
> rtc_class_ops.alarm_irq_enable for rtc-opal driver. This callback is
> called when the wake alarm is disabled via the command:
> 
> 'echo 0 > /sys/class/rtc/rtc0/wakealarm'
> 
> Without this the Timed-Power-On(TPO) config remains set even when its
> disabled by the above command and FSP will still force machine
> boot at previously configured alarm time.
> 
> The callback is implemented as function opal_tpo_alarm_irq_enable()
> which calls opal_set_tpo_time() with alarm.enabled == 0. A branch is
> added to opal_set_tpo_time() to handle this case by passing y_m_d ==
> h_m_s_ms == 0 to opal as arguments for opal_tpo_write() call.
> 
> Signed-off-by: Vaibhav Jain <vaibhav@linux.vnet.ibm.com>
> ---
>  drivers/rtc/rtc-opal.c | 22 +++++++++++++++++++++-
>  1 file changed, 21 insertions(+), 1 deletion(-)
> 
Applied, thanks.

-- 
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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