Re: [PATCH V7 3/3] rtc: zynqmp: Updated calibration value

[Alexandre Belloni]

On 10/06/2022 15:04:31+0000, Neeli, Srinivas wrote:
> [AMD Official Use Only - General]
> 
> Hi,
> 
> > -----Original Message-----
> > From: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
> > Sent: Friday, June 10, 2022 5:34 PM
> > To: Srinivas Neeli <srinivas.neeli@xxxxxxxxxx>
> > Cc: a.zummo@xxxxxxxxxxxx; robh+dt@xxxxxxxxxx;
> > krzysztof.kozlowski+dt@xxxxxxxxxx; michal.simek@xxxxxxxxxx;
> > sgoud@xxxxxxxxxx; shubhraj@xxxxxxxxxx; Neeli, Srinivas
> > <srinivas.neeli@xxxxxxx>; neelisrinivas18@xxxxxxxxx;
> > devicetree@xxxxxxxxxxxxxxx; linux-rtc@xxxxxxxxxxxxxxx; linux-arm-
> > kernel@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; git@xxxxxxxxxx
> > Subject: Re: [PATCH V7 3/3] rtc: zynqmp: Updated calibration value
> >
> > On 10/06/2022 17:07:09+0530, Srinivas Neeli wrote:
> > > As per RTC spec default calibration value is 0x7FFF.
> > >
> >
> > Having that as a second patch breaks the calculation in your previous patch,
> > really, this should just be a single patch.
> 
> Can I swap 3/3 and 2/3, Will that be fine ?.

That would be better, yes

> 
> >
> > > Signed-off-by: Srinivas Neeli <srinivas.neeli@xxxxxxxxxx>
> > > ---
> > > Changes in V7:
> > > -New patch
> > > -TRM not updated yet, Internal design document contains 0x7FFF as
> > > default value. TRM Will update in next release.
> > > ---
> > >  drivers/rtc/rtc-zynqmp.c | 2 +-
> > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > >
> > > diff --git a/drivers/rtc/rtc-zynqmp.c b/drivers/rtc/rtc-zynqmp.c index
> > > 39b23f88ee26..1dd389b891fe 100644
> > > --- a/drivers/rtc/rtc-zynqmp.c
> > > +++ b/drivers/rtc/rtc-zynqmp.c
> > > @@ -37,7 +37,7 @@
> > >  #define RTC_OSC_EN         BIT(24)
> > >  #define RTC_BATT_EN                BIT(31)
> > >
> > > -#define RTC_CALIB_DEF              0x198233
> > > +#define RTC_CALIB_DEF              0x7FFF
> > >  #define RTC_CALIB_MASK             0x1FFFFF
> > >  #define RTC_ALRM_MASK          BIT(1)
> > >  #define RTC_MSEC               1000
> > > --
> > > 2.25.1
> > >
> >
> > --
> > Alexandre Belloni, co-owner and COO, Bootlin
> > Embedded Linux and Kernel engineering
> > https://bootlin.com

-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com