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Groups > linux.kernel > #1190120
| From | Alexandre Belloni <alexandre.belloni@free-electrons.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] rtc/rtc-opal: Enable alarms only when opal supports tpo |
| Date | 2015-07-22 19:30 +0200 |
| Message-ID | <pP5Qt-5YY-1@gated-at.bofh.it> (permalink) |
| References | <pM3rQ-8aI-15@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 14/07/2015 at 13:28:28 +0530, Vaibhav Jain wrote : > rtc-opal driver provides support for rtc alarms via > timed-power-on(tpo). However some Power platforms like BML use a fake > rtc clock and don't support tpo. Such platforms are indicated by the > missing 'has-tpo' property in the device tree. > > Current implementation however enables callback for > rtc_class_ops.read/set alarm irrespective of the tpo support from the > platform. This results in a failed opal call when kernel tries to read > an existing alarms via opal_get_tpo_time during rtc device registration. > > This patch fixes this issue by setting opal_rtc_ops.read/set_alarm > callback pointers only when tpo is supported. > > Acked-by: Michael Neuling <mikey@neuling.org> > Acked-by: Neelesh Gupta <neelegup@linux.vnet.ibm.com> > Signed-off-by: Vaibhav Jain <vaibhav@linux.vnet.ibm.com> > --- > drivers/rtc/rtc-opal.c | 9 +++++---- > 1 file changed, 5 insertions(+), 4 deletions(-) > Applied, thanks. -- Alexandre Belloni, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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Re: [PATCH] rtc/rtc-opal: Enable alarms only when opal supports tpo Alexandre Belloni <alexandre.belloni@free-electrons.com> - 2015-07-22 19:30 +0200
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