From: Arnd Bergmann <arnd@arndb.de>
To: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Subject: Re: [PATCH] Fix SERIAL_TXX9 dependencies
Date: Sun, 30 Jan 2005 16:45:08 +0100
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Cc: ralf@linux-mips.org, akpm@osdl.org, linux-kernel@vger.kernel.org,
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References: <20050129131134.75dacb41.akpm@osdl.org> <20050130001555.GA3648@linux-mips.org> <20050130.220537.45151614.anemo@mba.ocn.ne.jp>
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On S=FCnndag 30 Januar 2005 14:05, Atsushi Nemoto wrote:
> >>>>> On Sun, 30 Jan 2005 00:15:55 +0000, Ralf Baechle <ralf@linux-mips.o=
rg> said:
> ralf> Ask for SERIAL_TXX9 only on those devices that actually have
> ralf> one.
>=20
> Well, "depends on MIPS || PCI" was intentional.  The driver can be
> used for both TX39/TX49 internal SIO and TC86C001 PCI chip.  TC86C001
> chip can be available for any platform with PCI bus (though I have
> never seen it on platform other than MIPS ...)
 =09
There is at least one device that uses the same uart on a non-MIPS
platform. I'll submit a patch once I have it working.

> So I suppose "depends on HAS_TXX9_SERIAL || PCI" might be better, but
> Ralf's patch will be OK for now.

Right. There is however one bigger problem with the original patch:
It removes the driver for tx3912 and adds one for tx3927/tx49xx.
AFAICS, the 3912 has a very different register layout from the other
chips, so the old driver must not be removed yet.

	Arnd <><

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