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From: Richard Kang <turquesa@malgn.com>
To: saeed bishara <saeed.bishara@gmail.com>
Cc: linux-ide@vger.kernel.org
Subject: Re: qc timeout on a marvell 88F6282 board
Date: Tue, 05 Jul 2011 17:26:57 +0900	[thread overview]
Message-ID: <4E12CAD1.3030302@malgn.com> (raw)
In-Reply-To: <CAMAG_ef0y=Jg=8eQSWj_e8kwGAtFwJXsvPATiL1fkq57kVzubA@mail.gmail.com>


> 2011/6/29 Richard Kang<turquesa@malgn.com>:
>> Hello.
>>
>> I have a sil3132 pci-e card and a DB-88F6282-A-BP(Marvell development
>> board based on Arm9).
>> I compiled sata_sil24 driver as a module with a cross-compiler.
>>
>> But, when loading the driver, qc timeout error was occurred during
>> ata_read_dev_id.
>> What is wrong, IRQ or DMA ?
> looks to me this is DMA issue, can you force pio mode? you can do that
> by adding "libata.dma=0" to the kernel command line.
> saeed
>
>> I have 2.6.31.8

Dear saeed,

I excuted libata.dma=0 through "$modprobe libata dma=0"
Then I excuted "$modprobe sata_sil24"

But, result is same as before.
I think sata_sil24 supports only dma not pio, right?

Thank you.


  reply	other threads:[~2011-07-05  8:27 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-29  9:04 qc timeout on a marvell 88F6282 board Richard Kang
2011-07-03 12:52 ` saeed bishara
2011-07-05  8:26   ` Richard Kang [this message]
2011-07-05 10:11     ` saeed bishara
2011-07-06  6:43       ` Richard Kang
2011-07-06  8:07         ` saeed bishara
     [not found]           ` <CAMAG_edjasMffHA2tozzBEUWf27BPvjF_=fOL_N9oktTyTradQ@mail.gmail.com>
2011-07-07  3:00             ` Richard Kang
2011-07-07  6:36           ` Richard Kang
2011-07-07  6:44             ` saeed bishara
2011-07-10 23:01               ` Richard Kang
2011-07-12  8:19               ` Richard Kang

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