Messages in this thread | | | Date | Wed, 12 Feb 2020 12:23:42 +0100 | From | Alexandre Belloni <> | Subject | Re: [PATCH v2] rtc: zynqmp: Clear alarm interrupt status before interrupt enable |
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On 12/02/2020 15:54:39+0530, Srinivas Neeli wrote: > Fix multiple occurring interrupts for alarm interrupt. RTC module doesn't > clear the alarm interrupt status bit immediately after the interrupt is > triggered.This is due to the sticky nature of the alarm interrupt status > register. The alarm interrupt status register can be cleared only after > the second counter outruns the set alarm value. To fix multiple spurious > interrupts, disable alarm interrupt in the handler and clear the status > bit before enabling the alarm interrupt. > > Fixes: 11143c19eb57 ("rtc: add xilinx zynqmp rtc driver") > Signed-off-by: Srinivas Neeli <srinivas.neeli@xilinx.com> > --- > Changes in V2: > Addressed Michal Simek comments > - Removed new line in declartion part. > - Added new line before return. > --- > drivers/rtc/rtc-zynqmp.c | 27 +++++++++++++++++++++++---- > 1 file changed, 23 insertions(+), 4 deletions(-) > Applied, thanks.
-- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
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