From: Yoichi Yuasa <yuasa@linux-mips.org>
To: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: yuasa@linux-mips.org, Ralf Baechle <ralf@linux-mips.org>,
linux-mips <linux-mips@linux-mips.org>
Subject: Re: [PATCH 1/2] MIPS: add 8250/16550 serial early printk driver
Date: Mon, 8 Feb 2010 08:52:17 +0900 [thread overview]
Message-ID: <20100208085217.ba16b45e.yuasa@linux-mips.org> (raw)
In-Reply-To: <20100206121622.GA8775@alpha.franken.de>
On Sat, 6 Feb 2010 13:16:22 +0100
Thomas Bogendoerfer <tsbogend@alpha.franken.de> wrote:
> On Fri, Feb 05, 2010 at 11:28:57PM +0900, Yoichi Yuasa wrote:
> > Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org>
> > ---
> > arch/mips/Kconfig.debug | 8 ++++
> > arch/mips/include/asm/setup.h | 9 ++++
> > arch/mips/kernel/Makefile | 1 +
> > arch/mips/kernel/early_printk_8250.c | 68 ++++++++++++++++++++++++++++++++++
> > 4 files changed, 86 insertions(+), 0 deletions(-)
> > create mode 100644 arch/mips/kernel/early_printk_8250.c
> >
> > diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug
> > index 32a010d..f5d739c 100644
> > --- a/arch/mips/Kconfig.debug
> > +++ b/arch/mips/Kconfig.debug
> > @@ -20,6 +20,14 @@ config EARLY_PRINTK
> > doesn't cooperate with an X server. You should normally say N here,
> > unless you want to debug such a crash.
> >
> > +config EARLY_PRINTK_8250
> > [..]
>
> have you looked at drivers/serial/8250_early.c ?
Yes, I have.
> It looks like it
> was invented for some sort of early console on 8250 devices...
The early printk is registered at the early boot stage(in setup_arch()).
Yoichi
next prev parent reply other threads:[~2010-02-07 23:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-05 14:28 [PATCH 1/2] MIPS: add 8250/16550 serial early printk driver Yoichi Yuasa
2010-02-05 14:30 ` [PATCH 2/2] MIPS: Cobalt move to " Yoichi Yuasa
2010-02-06 12:16 ` [PATCH 1/2] MIPS: add " Thomas Bogendoerfer
2010-02-07 23:52 ` Yoichi Yuasa [this message]
2010-02-08 9:58 ` Sergei Shtylyov
2010-02-08 11:54 ` Yoichi Yuasa
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