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Message-ID: <1587113392.13323.3.camel@mhfsdcap03>
Date:   Fri, 17 Apr 2020 16:49:52 +0800
From:   Ran Bi <ran.bi@...iatek.com>
To:     Lee Jones <lee.jones@...aro.org>
CC:     Hsin-Hsiung Wang <hsin-hsiung.wang@...iatek.com>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        "Alexandre Belloni" <alexandre.belloni@...tlin.com>,
        Nicolas Boichat <drinkcat@...omium.org>,
        Mark Rutland <mark.rutland@....com>,
        Sean Wang <sean.wang@...iatek.com>,
        Sebastian Reichel <sre@...nel.org>,
        Eddie Huang <eddie.huang@...iatek.com>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        "Kate Stewart" <kstewart@...uxfoundation.org>,
        Richard Fontana <rfontana@...hat.com>,
        Frank Wunderlich <frank-w@...lic-files.de>,
        "Josef Friedl" <josef.friedl@...ed.at>,
        Thomas Gleixner <tglx@...utronix.de>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-pm@...r.kernel.org>,
        <linux-rtc@...r.kernel.org>, <srv_heupstream@...iatek.com>
Subject: Re: [PATCH v12 5/6] rtc: mt6397: Add support for the MediaTek
 MT6358 RTC

On Fri, 2020-04-17 at 16:29 +0800, Ran Bi wrote:
> On Thu, 2020-04-16 at 10:14 +0100, Lee Jones wrote:
> > On Wed, 08 Apr 2020, Hsin-Hsiung Wang wrote:
> > 
> > > From: Ran Bi <ran.bi@...iatek.com>
> > > 
> > > This add support for the MediaTek MT6358 RTC. Driver using
> > > compatible data to store different RTC_WRTGR address offset.
> > > This replace RTC_WRTGR to RTC_WRTGR_MT6323 in mt6323-poweroff
> > > driver which only needed by armv7 CPU without ATF.
> > > 
> > > Reviewed-by: Nicolas Boichat <drinkcat@...omium.org>
> > > Reviewed-by: Yingjoe Chen <yingjoe.chen@...iatek.com>
> > > Acked-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
> > > Acked-by: Sebastian Reichel <sre@...nel.org>
> > > Signed-off-by: Ran Bi <ran.bi@...iatek.com>
> > > Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@...iatek.com>
> > 
> > Please place these in chronological order.  They should provide some
> > history, rather than a unordered slab list of random sign-offs.
> > 
> 
> I suppose that you mean the order should be like below, right?
> Reviewed-by: Yingjoe Chen <yingjoe.chen@...iatek.com>
> Acked-by: Sebastian Reichel <sre@...nel.org>
> Acked-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
> Reviewed-by: Nicolas Boichat <drinkcat@...omium.org>
> Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@...iatek.com>
> Signed-off-by: Ran Bi <ran.bi@...iatek.com>
> 

Correction, I think following is the correct chronological order:
Signed-off-by: Ran Bi <ran.bi@...iatek.com>
Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@...iatek.com>
Reviewed-by: Nicolas Boichat <drinkcat@...omium.org>
Acked-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
Acked-by: Sebastian Reichel <sre@...nel.org>
Reviewed-by: Yingjoe Chen <yingjoe.chen@...iatek.com>

> > > ---
> > >  drivers/power/reset/mt6323-poweroff.c |  2 +-
> > >  drivers/rtc/rtc-mt6397.c              | 18 +++++++++++++++---
> > >  include/linux/mfd/mt6397/rtc.h        |  9 ++++++++-
> > >  3 files changed, 24 insertions(+), 5 deletions(-)
> > 
> > [...]
> > 
> > > diff --git a/include/linux/mfd/mt6397/rtc.h b/include/linux/mfd/mt6397/rtc.h
> > > index 7dfb63b..6200f3b 100644
> > > --- a/include/linux/mfd/mt6397/rtc.h
> > > +++ b/include/linux/mfd/mt6397/rtc.h
> > > @@ -18,7 +18,9 @@
> > >  #define RTC_BBPU_CBUSY         BIT(6)
> > >  #define RTC_BBPU_KEY            (0x43 << 8)
> > >  
> > > -#define RTC_WRTGR              0x003c
> > > +#define RTC_WRTGR_MT6358       0x3a
> > > +#define RTC_WRTGR_MT6397       0x3c
> > 
> > Why remove the leading 00's?
> > 
> > These are now different to the other regs defined in this header.
> > 
> 
> I will fix this at next patch.
> 
> > > +#define RTC_WRTGR_MT6323       RTC_WRTGR_MT6397
> > >  
> > >  #define RTC_IRQ_STA            0x0002
> > 
> > Like here for instance  --^
> > 
> > >  #define RTC_IRQ_STA_AL         BIT(0)
> > > @@ -65,6 +67,10 @@
> > >  #define MTK_RTC_POLL_DELAY_US  10
> > >  #define MTK_RTC_POLL_TIMEOUT   (jiffies_to_usecs(HZ))
> > >  
> > > +struct mtk_rtc_data {
> > > +	u32                     wrtgr;
> > > +};
> > > +
> > >  struct mt6397_rtc {
> > >  	struct device           *dev;
> > >  	struct rtc_device       *rtc_dev;
> > > @@ -74,6 +80,7 @@ struct mt6397_rtc {
> > >  	struct regmap           *regmap;
> > >  	int                     irq;
> > >  	u32                     addr_base;
> > > +	const struct mtk_rtc_data *data;
> > >  };
> > >  
> > >  #endif /* _LINUX_MFD_MT6397_RTC_H_ */
> > 
> 

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