linux-kernel - Re: [PATCH v1 1/2] mfd: mt6397: Add new bit definitions for RTC

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Message-ID: <8a5d6f3fc2befe5f7c999c98bf1aa401aa1280e1.camel@mediatek.com>
Date: Tue, 19 Aug 2025 08:32:38 +0000
From: Shunxi Zhang (章顺喜)
	<ot_shunxi.zhang@...iatek.com>
To: Sean Wang <Sean.Wang@...iatek.com>, "matthias.bgg@...il.com"
	<matthias.bgg@...il.com>, "lee@...nel.org" <lee@...nel.org>,
	Eddie Huang (黃智傑) <eddie.huang@...iatek.com>,
	"krzk@...nel.org" <krzk@...nel.org>, "alexandre.belloni@...tlin.com"
	<alexandre.belloni@...tlin.com>
CC: "linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, "linux-rtc@...r.kernel.org"
	<linux-rtc@...r.kernel.org>, "linux-mediatek@...ts.infradead.org"
	<linux-mediatek@...ts.infradead.org>,
	Sirius Wang (王皓昱) <Sirius.Wang@...iatek.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Jh Hsu (許希孜) <Jh.Hsu@...iatek.com>,
	Vince-WL Liu (劉文龍) <Vince-WL.Liu@...iatek.com>
Subject: Re: [PATCH v1 1/2] mfd: mt6397: Add new bit definitions for RTC_BBPU
 register

On Tue, 2025-08-19 at 10:16 +0200, Krzysztof Kozlowski wrote:
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
> 
> 
> On 19/08/2025 09:54, Shunxi Zhang (章顺喜) wrote:
> > > >  #define RTC_BBPU               0x0000
> > > > +#define RTC_BBPU_PWREN         BIT(0)
> > > > +#define RTC_BBPU_CLR           BIT(1)
> > > > +#define RTC_BBPU_RESET_AL      BIT(3)
> > > >  #define RTC_BBPU_CBUSY         BIT(6)
> > > > -#define RTC_BBPU_KEY            (0x43 << 8)
> > > > +#define RTC_BBPU_KEY           (0x43 << 8)
> > > 
> > > 
> > > Why?
> > > 
> > > 
> > > 
> > > Best regards,
> > > Krzysztof
> > 
> > Dear sir,
> > The MT6397 is an integration of several ICs and does not have a
> > separate IC specification. I will check the relevant IC datasheets
> > again. I will remove the useless define in next version.
> 
> 
> I understand nothing from this reply. I do not see it related to my
> questions at all. Do you want to say that you change indentation,
> because MT6397 is integration? That makes absolutely NO SENSE!
> 
> Best regards,
> Krzysztof

Dear sir,
   I will submit a separate patch for the format modification. The
reply to the previous email was not about this format issue. I am very
sorry for causing your misunderstanding.

Best Regards
Shunxi Zhang