From: Ran Bi <ran.bi@mediatek.com>
To: Yingjoe Chen <yingjoe.chen@mediatek.com>
Cc: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>,
Lee Jones <lee.jones@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
Mark Rutland <mark.rutland@arm.com>,
Alessandro Zummo <a.zummo@towertech.it>,
Josef Friedl <josef.friedl@speed.at>,
<srv_heupstream@mediatek.com>,
Frank Wunderlich <frank-w@public-files.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Sean Wang <sean.wang@mediatek.com>,
<linux-kernel@vger.kernel.org>,
Richard Fontana <rfontana@redhat.com>,
<devicetree@vger.kernel.org>,
<linux-mediatek@lists.infradead.org>,
<linux-arm-kernel@lists.infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Eddie Huang <eddie.huang@mediatek.com>,
<linux-rtc@vger.kernel.org>, Sean Wang <sean.wang@mediatek.com>,
Josef Friedl <josef.friedl@speed.at>,
"Frank Wunderlich" <frank-w@public-files.de>
Subject: Re: [PATCH v8 4/5] rtc: mt6397: Add support for the MediaTek MT6358 RTC
Date: Mon, 17 Feb 2020 11:51:42 +0800 [thread overview]
Message-ID: <1581911502.20099.13.camel@mhfsdcap03> (raw)
In-Reply-To: <1580748607.31376.3.camel@mtksdaap41>
On Tue, 2020-02-04 at 00:50 +0800, Yingjoe Chen wrote:
> > diff --git a/include/linux/mfd/mt6397/rtc.h b/include/linux/mfd/mt6397/rtc.h
> > index f84b916..fffe34a 100644
> > --- a/include/linux/mfd/mt6397/rtc.h
> > +++ b/include/linux/mfd/mt6397/rtc.h
> > @@ -18,7 +18,8 @@
> > #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
> >
> > #define RTC_IRQ_STA 0x0002
> > #define RTC_IRQ_STA_AL BIT(0)
> > @@ -57,6 +58,10 @@
> > #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;
> > @@ -66,6 +71,15 @@ struct mt6397_rtc {
> > struct regmap *regmap;
> > int irq;
> > u32 addr_base;
> > + const struct mtk_rtc_data *data;
> > +};
> > +
> > +static const struct mtk_rtc_data mt6358_rtc_data = {
> > + .wrtgr = RTC_WRTGR_MT6358,
> > +};
> > +
> > +static const struct mtk_rtc_data mt6397_rtc_data = {
> > + .wrtgr = RTC_WRTGR_MT6397,
> > };
>
> Hi,
>
> Putting these in header file doesn't looks right to me.
> Who need this? can you move them back to rtc-mt6397.c?
>
> Joe.C
>
This could also effect kernel/drivers/power/reset/mt6323-poweroff.c
which using same region of RTC registers.
There are 2 ways of modification:
1. kernel/drivers/rtc/rtc-mt6397.c implement do_pwroff function and
export to mt6323-poweroff.c
2. Just modify mt6323-poweroff.c file to compatible this patch. I mean
using RTC_WRTGR_MT6397 to replace RTC_WRTGR. Or modify mt6323-poweroff.c
like rtc-mt6397.c
next prev parent reply other threads:[~2020-02-17 3:52 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-03 11:40 [PATCH v8 0/5] Add Support for MediaTek PMIC MT6358 Hsin-Hsiung Wang
2020-02-03 11:40 ` [PATCH v8 1/5] mfd: mt6397: modify suspend/resume behavior Hsin-Hsiung Wang
2020-02-03 11:40 ` [PATCH v8 2/5] dt-bindings: mfd: Add compatible for the MediaTek MT6358 PMIC Hsin-Hsiung Wang
2020-02-03 11:40 ` [PATCH v8 3/5] mfd: Add support " Hsin-Hsiung Wang
2020-02-10 6:55 ` Nicolas Boichat
2020-02-11 2:05 ` Hsin-hsiung Wang
2020-02-03 11:40 ` [PATCH v8 4/5] rtc: mt6397: Add support for the MediaTek MT6358 RTC Hsin-Hsiung Wang
2020-02-03 16:50 ` Yingjoe Chen
2020-02-17 3:51 ` Ran Bi [this message]
2020-03-04 12:59 ` Nicolas Boichat
2020-03-05 7:37 ` Ran Bi
2020-03-09 2:33 ` Yingjoe Chen
2020-02-03 11:40 ` [PATCH v8 5/5] arm64: dts: mt6358: add PMIC MT6358 related nodes Hsin-Hsiung Wang
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