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From: b32955@freescale.com (Huang Shijie)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] dmaengine: mxs-dma: skip request_irq for NO_IRQ
Date: Thu, 7 Jul 2011 11:23:28 +0800	[thread overview]
Message-ID: <4E1526B0.5060308@freescale.com> (raw)
In-Reply-To: <20110707032441.GF4034@S2100-06.ap.freescale.net>

? 2011?07?07? 11:24, Shawn Guo ??:
> On Thu, Jul 07, 2011 at 07:36:00AM +0530, Vinod Koul wrote:
>> On Thu, 2011-07-07 at 08:15 +0800, Shawn Guo wrote:
>>> On Thu, Jun 30, 2011 at 04:06:33PM +0800, Shawn Guo wrote:
>>>> In general, the mxs-dma users get separate irq for each channel,
>>>> but gpmi is special one which has only one irq shared by all gpmi
>>>> channels.  It causes mxs_dma channel allocation function fail for
>>>> all other gpmi channels except the first one calling into the
>>>> function.
>>>>
>>>> The patch gets request_irq call skipped for NO_IRQ case, and leaves
>>>> this gpmi specific quirk to gpmi driver to sort out.  It will fix
>>>> above problem if gpmi driver sets chan_irq as gpmi irq for only one
>>>> channel and NO_IRQ for all the rest channels.
>>>>
>>>> Signed-off-by: Shawn Guo<shawn.guo@linaro.org>
>>>> Cc: Vinod Koul<vinod.koul@intel.com>
>>>> ---
>>> Hi Vinod,
>>>
>>> Can you please take this patch?
>>>
>>> Regards,
>>> Shawn
>> Looks okay to me. Have queued it up and should show up in my tree latest by early next week.
>> I am on road, hence the delay...
>>
> No problem.  Thanks, Vinod.
>
thanks. I will submit the next GPMI version which will based this patch.

Best Regards
Huang Shijie

  reply	other threads:[~2011-07-07  3:23 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-29  8:24 [PATCH v7 0/3] add the GPMI controller driver for IMX23/IMX28 Huang Shijie
2011-06-29  8:24 ` Huang Shijie
2011-06-29  8:24 ` [PATCH v7 1/3] MTD : add the common code for GPMI-NFC controller driver Huang Shijie
2011-06-29 10:06   ` Wolfram Sang
2011-06-29 10:33     ` Wolfram Sang
2011-06-29 10:46       ` Huang Shijie
2011-06-29 12:29         ` Wolfram Sang
2011-06-29 12:42           ` Russell King - ARM Linux
2011-06-29 12:49             ` Wolfram Sang
2011-06-29 14:00           ` Shawn Guo
2011-06-29 14:15             ` Wolfram Sang
2011-06-29 14:37               ` Shawn Guo
2011-06-30  4:46                 ` Wolfram Sang
2011-06-30  5:28                   ` Shawn Guo
2011-06-30  8:06                     ` [PATCH] dmaengine: mxs-dma: skip request_irq for NO_IRQ Shawn Guo
2011-07-07  0:15                       ` Shawn Guo
2011-07-07  2:06                         ` Vinod Koul
2011-07-07  3:24                           ` Shawn Guo
2011-07-07  3:23                             ` Huang Shijie [this message]
2011-07-13 23:31                             ` Koul, Vinod
2011-06-29 12:38   ` [PATCH v7 1/3] MTD : add the common code for GPMI-NFC controller driver Russell King - ARM Linux
2011-06-30  1:50     ` Huang Shijie
2011-06-30 10:27   ` Wolfram Sang
2011-06-30 17:04     ` Wolfram Sang
2011-07-01  5:41       ` Artem Bityutskiy
2011-07-01  6:47         ` Huang Shijie
2011-06-29  8:24 ` [PATCH v7 2/3] MTD : add support for imx23 and imx28 Huang Shijie
2011-06-29  8:24 ` [PATCH v7 3/3] MTD : add GPMI-NFC driver in the config and Makefile Huang Shijie
2011-06-30 10:40 ` [PATCH v7 0/3] add the GPMI controller driver for IMX23/IMX28 Wolfram Sang

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