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Date: Sat, 24 Mar 2018 15:31:49 +0800
From: Sean Wang <sean.wang@...iatek.com>
To: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
CC: <robh+dt@...nel.org>, <mark.rutland@....com>, <sre@...nel.org>,
<lee.jones@...aro.org>, <a.zummo@...ertech.it>,
<eddie.huang@...iatek.com>, <devicetree@...r.kernel.org>,
<linux-rtc@...r.kernel.org>, <linux-pm@...r.kernel.org>,
<linux-mediatek@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 11/16] rtc: mediatek: move the declaration into a
globally visible header file
On Fri, 2018-03-23 at 10:57 +0100, Alexandre Belloni wrote:
> On 23/03/2018 at 17:15:08 +0800, sean.wang@...iatek.com wrote:
> > From: Sean Wang <sean.wang@...iatek.com>
> >
> > This is in preparation for allowing other drivers can share the
> > declaration, so move the declaration into a globally visible header file.
> >
> > Signed-off-by: Sean Wang <sean.wang@...iatek.com>
> > ---
> > drivers/rtc/rtc-mt6397.c | 53 +---------------------------------
> > include/linux/rtc/mt6397.h | 72 ++++++++++++++++++++++++++++++++++++++++++++++
>
> This should go in include/linux/mfd/
include/linux/mfd/mt6397 is present, so include/linux/mfd/mt6397/rtc.h
seems a nice place to keep these declarations for the pmic rtc.
> > 2 files changed, 73 insertions(+), 52 deletions(-)
> > create mode 100644 include/linux/rtc/mt6397.h
> >
> > diff --git a/drivers/rtc/rtc-mt6397.c b/drivers/rtc/rtc-mt6397.c
> > index d133d1f..015609d 100644
> > --- a/drivers/rtc/rtc-mt6397.c
> > +++ b/drivers/rtc/rtc-mt6397.c
> > @@ -19,63 +19,12 @@
> > #include <linux/of_platform.h>
> > #include <linux/regmap.h>
> > #include <linux/rtc.h>
> > -#include <linux/jiffies.h>
> > #include <linux/platform_device.h>
> > #include <linux/of_address.h>
> > #include <linux/of_irq.h>
> > #include <linux/io.h>
> > #include <linux/mfd/mt6397/core.h>
> > -
> > -#define RTC_BBPU 0x0000
> > -#define RTC_BBPU_CBUSY BIT(6)
> > -
> > -#define RTC_WRTGR 0x003c
> > -
> > -#define RTC_IRQ_STA 0x0002
> > -#define RTC_IRQ_STA_AL BIT(0)
> > -#define RTC_IRQ_STA_LP BIT(3)
> > -
> > -#define RTC_IRQ_EN 0x0004
> > -#define RTC_IRQ_EN_AL BIT(0)
> > -#define RTC_IRQ_EN_ONESHOT BIT(2)
> > -#define RTC_IRQ_EN_LP BIT(3)
> > -#define RTC_IRQ_EN_ONESHOT_AL (RTC_IRQ_EN_ONESHOT | RTC_IRQ_EN_AL)
> > -
> > -#define RTC_AL_MASK 0x0008
> > -#define RTC_AL_MASK_DOW BIT(4)
> > -
> > -#define RTC_TC_SEC 0x000a
> > -/* Min, Hour, Dom... register offset to RTC_TC_SEC */
> > -#define RTC_OFFSET_SEC 0
> > -#define RTC_OFFSET_MIN 1
> > -#define RTC_OFFSET_HOUR 2
> > -#define RTC_OFFSET_DOM 3
> > -#define RTC_OFFSET_DOW 4
> > -#define RTC_OFFSET_MTH 5
> > -#define RTC_OFFSET_YEAR 6
> > -#define RTC_OFFSET_COUNT 7
> > -
> > -#define RTC_AL_SEC 0x0018
> > -
> > -#define RTC_PDN2 0x002e
> > -#define RTC_PDN2_PWRON_ALARM BIT(4)
> > -
> > -#define RTC_MIN_YEAR 1968
> > -#define RTC_BASE_YEAR 1900
> > -#define RTC_NUM_YEARS 128
> > -#define RTC_MIN_YEAR_OFFSET (RTC_MIN_YEAR - RTC_BASE_YEAR)
> > -
> > -#define MTK_RTC_POLL_DELAY_US 10
> > -#define MTK_RTC_POLL_TIMEOUT (jiffies_to_usecs(HZ))
> > -
> > -struct mt6397_rtc {
> > - struct device *dev;
> > - struct rtc_device *rtc_dev;
> > - struct mutex lock;
> > - struct regmap *regmap;
> > - int irq;
> > - u32 addr_base;
> > -};
> > +#include <linux/rtc/mt6397.h>
> >
> > static int mtk_rtc_write_trigger(struct mt6397_rtc *rtc)
> > {
> > diff --git a/include/linux/rtc/mt6397.h b/include/linux/rtc/mt6397.h
> > new file mode 100644
> > index 0000000..4b19f51
> > --- /dev/null
> > +++ b/include/linux/rtc/mt6397.h
> > @@ -0,0 +1,72 @@
> > +
>
> Unnecessary empty line
>
will remove the unnecessary empty line
> > +// SPDX-License-Identifier: GPL-2.0
> > +/*
> > + * Copyright (C) 2014-2018 MediaTek Inc.
> > + *
> > + * Author: Tianping.Fang <tianping.fang@...iatek.com>
> > + * Sean Wang <sean.wang@...iatek.com>
> > + */
> > +
> > +#ifndef _LINUX_RTC_MT6397_H_
> > +#define _LINUX_RTC_MT6397_H_
> > +
> > +#include <linux/jiffies.h>
> > +#include <linux/mutex.h>
> > +#include <linux/regmap.h>
> > +#include <linux/rtc.h>
> > +
> > +#define RTC_BBPU 0x0000
> > +#define RTC_BBPU_CBUSY BIT(6)
> > +
> > +#define RTC_WRTGR 0x003c
> > +
> > +#define RTC_IRQ_STA 0x0002
> > +#define RTC_IRQ_STA_AL BIT(0)
> > +#define RTC_IRQ_STA_LP BIT(3)
> > +
> > +#define RTC_IRQ_EN 0x0004
> > +#define RTC_IRQ_EN_AL BIT(0)
> > +#define RTC_IRQ_EN_ONESHOT BIT(2)
> > +#define RTC_IRQ_EN_LP BIT(3)
> > +#define RTC_IRQ_EN_ONESHOT_AL (RTC_IRQ_EN_ONESHOT | RTC_IRQ_EN_AL)
> > +
> > +#define RTC_AL_MASK 0x0008
> > +#define RTC_AL_MASK_DOW BIT(4)
> > +
> > +#define RTC_TC_SEC 0x000a
> > +/* Min, Hour, Dom... register offset to RTC_TC_SEC */
> > +#define RTC_OFFSET_SEC 0
> > +#define RTC_OFFSET_MIN 1
> > +#define RTC_OFFSET_HOUR 2
> > +#define RTC_OFFSET_DOM 3
> > +#define RTC_OFFSET_DOW 4
> > +#define RTC_OFFSET_MTH 5
> > +#define RTC_OFFSET_YEAR 6
> > +#define RTC_OFFSET_COUNT 7
> > +
> > +#define RTC_AL_SEC 0x0018
> > +
> > +#define RTC_PDN2 0x002e
> > +#define RTC_PDN2_PWRON_ALARM BIT(4)
> > +
> > +#define RTC_MIN_YEAR 1968
> > +#define RTC_BASE_YEAR 1900
> > +#define RTC_NUM_YEARS 128
> > +#define RTC_MIN_YEAR_OFFSET (RTC_MIN_YEAR - RTC_BASE_YEAR)
> > +
> > +#define MTK_RTC_POLL_DELAY_US 10
> > +#define MTK_RTC_POLL_TIMEOUT (jiffies_to_usecs(HZ))
> > +
> > +struct mt6397_rtc {
> > + struct device *dev;
> > + struct rtc_device *rtc_dev;
> > +
> > + /* protect registers accessing */
> > + struct mutex lock;
> > + struct regmap *regmap;
> > + int irq;
> > + u32 addr_base;
> > +};
> > +
> > +#endif /* _LINUX_RTC_MT6397_H_ */
> > +
> > --
> > 2.7.4
> >
>
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