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Message-ID: <CAJhJPsUV_f_t-faHY-4Jay9AJO848UMVhtxgFh_AuvQnurpnRw@mail.gmail.com>
Date:   Tue, 25 Jul 2023 18:15:07 +0800
From:   Keguang Zhang <keguang.zhang@...il.com>
To:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc:     linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] MIPS: loongson32: Remove regs-rtc.h

On Tue, Jul 25, 2023 at 4:59 PM Thomas Bogendoerfer
<tsbogend@...ha.franken.de> wrote:
>
> On Fri, Jul 07, 2023 at 07:11:51PM +0800, Keguang Zhang wrote:
> > Since commit 9fb23090658a ("rtc: Remove the
> > Loongson-1 RTC driver"), no one is using regs-rtc.h.
> > Therefore, remove this obsolete header file.
> >
> > Signed-off-by: Keguang Zhang <keguang.zhang@...il.com>
> > ---
> >  .../include/asm/mach-loongson32/loongson1.h   |  1 -
> >  .../include/asm/mach-loongson32/regs-rtc.h    | 19 -------------------
> >  2 files changed, 20 deletions(-)
> >  delete mode 100644 arch/mips/include/asm/mach-loongson32/regs-rtc.h
> >
> > diff --git a/arch/mips/include/asm/mach-loongson32/loongson1.h b/arch/mips/include/asm/mach-loongson32/loongson1.h
> > index bc27fcee3176..84f45461c832 100644
> > --- a/arch/mips/include/asm/mach-loongson32/loongson1.h
> > +++ b/arch/mips/include/asm/mach-loongson32/loongson1.h
> > @@ -46,6 +46,5 @@
> >  #define LS1X_CLK_BASE                        0x1fe78030
> >
> >  #include <regs-mux.h>
> > -#include <regs-rtc.h>
> >
> >  #endif /* __ASM_MACH_LOONGSON32_LOONGSON1_H */
> > diff --git a/arch/mips/include/asm/mach-loongson32/regs-rtc.h b/arch/mips/include/asm/mach-loongson32/regs-rtc.h
> > deleted file mode 100644
> > index a3d096be1607..000000000000
> > --- a/arch/mips/include/asm/mach-loongson32/regs-rtc.h
> > +++ /dev/null
> > @@ -1,19 +0,0 @@
> > -/* SPDX-License-Identifier: GPL-2.0-or-later */
> > -/*
> > - * Copyright (c) 2016 Yang Ling <gnaygnil@...il.com>
> > - *
> > - * Loongson 1 RTC timer Register Definitions.
> > - */
> > -
> > -#ifndef __ASM_MACH_LOONGSON32_REGS_RTC_H
> > -#define __ASM_MACH_LOONGSON32_REGS_RTC_H
> > -
> > -#define LS1X_RTC_REG(x) \
> > -             ((void __iomem *)KSEG1ADDR(LS1X_RTC_BASE + (x)))
> > -
> > -#define LS1X_RTC_CTRL        LS1X_RTC_REG(0x40)
> > -
> > -#define RTC_EXTCLK_OK        (BIT(5) | BIT(8))
> > -#define RTC_EXTCLK_EN        BIT(8)
> > -
> > -#endif /* __ASM_MACH_LOONGSON32_REGS_RTC_H */
> > --
> > 2.39.2
>
> I get these build error when this patch is applied:
>
> linux/arch/mips/loongson32/common/platform.c: In function ‘ls1x_rtc_set_extclk’:
> /local/tbogendoerfer/korg/linux/arch/mips/loongson32/common/platform.c:270:24: error: ‘LS1X_RTC_CTRL’ undeclared (first use in this function)
>   u32 val = __raw_readl(LS1X_RTC_CTRL);
>                         ^~~~~~~~~~~~~
> linux/arch/mips/loongson32/common/platform.c:270:24: note: each undeclared identifier is reported only once for each function it appears in
> /local/tbogendoerfer/korg/linux/arch/mips/loongson32/common/platform.c:272:14: error: ‘RTC_EXTCLK_OK’ undeclared (first use in this function)
>   if (!(val & RTC_EXTCLK_OK))
>               ^~~~~~~~~~~~~
> linux/arch/mips/loongson32/common/platform.c:273:22: error: ‘RTC_EXTCLK_EN’ undeclared (first use in this function)
>    __raw_writel(val | RTC_EXTCLK_EN, LS1X_RTC_CTRL);
>
> Thomas.
>

Sorry! I will send v2 to fix this ASAP.

> --
> Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
> good idea.                                                [ RFC1925, 2.3 ]



-- 
Best regards,

Keguang Zhang

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