linux-kernel - Re: [PATCH 2.6.19-rc1] Toshiba TC86C001 IDE driver

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Date:	Tue, 12 Dec 2006 15:12:15 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Sergei Shtylyov <sshtylyov@...mvista.com>
CC:	akpm@...l.org, bzolnier@...il.com, linux-ide@...r.kernel.org,
	linux-kernel@...r.kernel.org, alan@...rguk.ukuu.org.uk
Subject: Re: [PATCH 2.6.19-rc1] Toshiba TC86C001 IDE driver

Sergei Shtylyov wrote:
> Hello.
> 
> Randy Dunlap wrote:
> 
>>> Behold!  This is the driver for the Toshiba TC86C001 GOKU-S IDE 
>>> controller,
>>> completely reworked from the original brain-damaged Toshiba's 2.4 
>>> version.
>>>
>>> This single channel UltraDMA/66 controller is very simple in 
>>> programming, yet
>>> Toshiba managed to plant many interesting bugs in it.  The 
>>> particularly nasty
>>> "limitation 5" (as they call the errata) caused me to abuse the IDE 
>>> core in a
>>> possibly most interesting way so far.  However, this is still better 
>>> than the
>>> #ifdef mess in drivers/ide/ide-io.c that the original version 
>>> included (well,
>>> it had much more mess)...
> 
>>> Signed-off-by: Sergei Shtylyov <sshtylyov@...mvista.com>
> 
>>> drivers/ide/Kconfig        |    5 drivers/ide/pci/Makefile   |    1 
>>> drivers/ide/pci/tc86c001.c |  304 
>>> +++++++++++++++++++++++++++++++++++++++++++++
>>> drivers/pci/quirks.c       |   18 ++
>>> include/linux/pci_ids.h    |    1 5 files changed, 329 insertions(+)
>>>
>>> Index: linux-2.6/drivers/ide/Kconfig
>>> ===================================================================
>>> --- linux-2.6.orig/drivers/ide/Kconfig
>>> +++ linux-2.6/drivers/ide/Kconfig
>>> @@ -742,6 +742,11 @@ config BLK_DEV_VIA82CXXX
>>>       This allows the kernel to change PIO, DMA and UDMA speeds and to
>>>       configure the chip to optimum performance.
>>>
>>> +config BLK_DEV_TC86C001
>>> +    tristate "Toshiba TC86C001 support"
> 
>> Needs something here like lots of other IDE PCI drivers have:
>>     depends on PCI && BLK_DEV_IDEPCI
> 
>> or at least:  depends on PCI
> 
>    No, it's already under if BLK_DEV_IDEPCI. And if you really look into 
> Kconfig you'll see hwo it's done there...
> 
>>> +    help
>>> +    This driver adds support for Toshiba TC86C001 GOKU-S chip.
>>> +
>>> endif
> 
>    Here's that endif.

Ack.  Thanks.

-- 
~Randy
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