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From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
To: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: linux-mips@linux-mips.org, linux-ide@vger.kernel.org,
	bzolnier@gmail.com, ralf@linux-mips.org
Subject: Re: [PATCH 1/2] ide: Add tx4939ide driver
Date: Tue, 16 Sep 2008 19:32:48 +0400	[thread overview]
Message-ID: <48CFD1A0.1010508@ru.mvista.com> (raw)
In-Reply-To: <20080917.002034.27955909.anemo@mba.ocn.ne.jp>

Atsushi Nemoto wrote:

>>>>   This doesn't look consistent (aside from the TX4939IDE_REG8/16 issue) 
>>>>-- mm_outsw_swap() calls cpu_to_le16() before writing 16-bit data but 
>>>>this code doesn't. So, either one of those should be wrong...

>>>Thanks, this code should be wrong.  IDE_TFLAG_OUT_DATA is totally
>>>untested...

>>   Hum, not necessarily...
>>   If the data register is BE, this should work correctly, if I don't 
>>mistake (once you fix the data register's address).

> Hmm... or ide_tf_load()/ide_tf_read() is broken for big endian MIPS ?
> (and possibly SPARC etc.)

    Probably it is. But hardly anybody cares -- as I said, that flag seems 
totally useless.

> __ide_mm_writesw(port, &data, 1) should be used instead of writew()
> for IDE_TFLAG_OUT_DATA?

MBR, Sergei

  reply	other threads:[~2008-09-16 15:32 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-09 16:08 [PATCH 1/2] ide: Add tx4939ide driver Atsushi Nemoto
2008-09-09 16:44 ` Alan Cox
2008-09-09 17:08   ` Sergei Shtylyov
2008-09-10 15:12     ` Atsushi Nemoto
2008-09-10 15:06   ` Atsushi Nemoto
2008-09-13 13:37     ` Atsushi Nemoto
2008-09-09 17:50 ` Sergei Shtylyov
2008-09-10 15:32   ` Atsushi Nemoto
2008-09-10 15:55     ` Sergei Shtylyov
2008-09-10 16:25       ` Sergei Shtylyov
2008-09-11 15:03       ` Atsushi Nemoto
2008-09-11 15:18         ` Sergei Shtylyov
2008-09-10 23:02 ` Sergei Shtylyov
2008-09-11 15:52   ` Atsushi Nemoto
2008-09-12 15:34     ` Sergei Shtylyov
2008-09-12 15:59       ` Atsushi Nemoto
2008-09-12 16:44         ` Sergei Shtylyov
2008-09-12 17:19         ` Sergei Shtylyov
2008-09-13 12:32           ` Atsushi Nemoto
2008-09-16 21:15             ` Sergei Shtylyov
2008-09-16 21:39               ` Sergei Shtylyov
2008-09-27 16:19         ` Bartlomiej Zolnierkiewicz
2008-09-27 22:09           ` Tejun Heo
2008-09-30 13:07             ` Atsushi Nemoto
2008-09-30 15:09             ` James Bottomley
2008-10-04  2:56               ` Tejun Heo
2008-10-07 12:09                 ` Jens Axboe
2008-09-28  8:41           ` Ralf Baechle
2008-09-11 22:33 ` Sergei Shtylyov
2008-09-12 14:37   ` Atsushi Nemoto
2008-09-12 15:01     ` Sergei Shtylyov
2008-09-13 21:48 ` Sergei Shtylyov
2008-09-14 13:05   ` Atsushi Nemoto
2008-09-16 10:29     ` Sergei Shtylyov
2008-09-16 15:20       ` Atsushi Nemoto
2008-09-16 15:32         ` Sergei Shtylyov [this message]
2008-09-16 16:24         ` Sergei Shtylyov
2008-09-16 21:02           ` Sergei Shtylyov
2008-09-14 20:55   ` Sergei Shtylyov
2008-09-15 14:01     ` Atsushi Nemoto
2008-09-16 21:59 ` Sergei Shtylyov
2008-09-17 15:12   ` Atsushi Nemoto

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