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From: b32955@freescale.com (Huang Shijie)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 6/7] dmaengine: change the flags of request_irq()
Date: Fri, 18 Mar 2011 14:12:12 +0800	[thread overview]
Message-ID: <4D82F7BC.4040703@freescale.com> (raw)
In-Reply-To: <19840.36172.759509.889358@ipc1.ka-ro>

HI:
> Hi,
>
> Huang Shijie writes:
>> The GPMI may have many DMA channels, such as the imx23 has
>> four DMA channels. All these DMA channels share the same interrupt.
>> So change the flags from '0' to IRQF_SHARED, else there will be
>> an EBUSY error returns.
>>
> Problem is, that the mxs_dma_int_handler() need to be rewritten
> for that since it currently does not support shared interrupts (as you
> can easily find out by enabling CONFIG_DEBUG_SHIRQ.
>
>
>
I enabled the CONFIG_DEBUG_SHIRQ, and I tested in imx23, the code is ok.
So I think there is no need to rewritten the mxs_dma_int_handler().


Btw: The missing patch can be found the MTD maillist archive:
http://lists.infradead.org/pipermail/linux-mtd/2011-March/034379.html



Best Regards
Huang Shijie

  parent reply	other threads:[~2011-03-18  6:12 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-16  1:42 [PATCH 0/7] add the GPMI controller driver for IMX23/IMX28 Huang Shijie
2011-03-16  1:42 ` [PATCH 1/7] ARM: add GPMI support for imx23/imx28 Huang Shijie
2011-03-16 10:13   ` Lothar Waßmann
     [not found]     ` <4D809453.4090603@freescale.com>
     [not found]       ` <19840.43943.592336.854865@ipc1.ka-ro>
2011-03-17  2:19         ` Huang Shijie
2011-03-17  2:19           ` Huang Shijie
2011-03-17 10:36           ` Lothar Waßmann
2011-03-17 10:36             ` Lothar Waßmann
2011-03-18  2:06             ` Huang Shijie
2011-03-18  2:06               ` Huang Shijie
2011-03-16  1:42 ` [PATCH 2/7] add the common code for GPMI driver Huang Shijie
2011-03-22 12:36   ` =?utf-8?Q?Lothar_Wa=C3=9Fmann?=
2011-03-23  3:41     ` Huang Shijie
2011-03-23  3:41       ` Huang Shijie
2011-03-16  1:42 ` [PATCH 3/7] add the database for the NANDs Huang Shijie
2011-03-16  1:42 ` [PATCH 4/7] add GPMI support for imx23 Huang Shijie
2011-03-16  1:42 ` [PATCH 5/7] add GPMI support for imx28 Huang Shijie
2011-03-22 12:46   ` Lothar Waßmann
2011-03-23  3:11     ` Huang Shijie
2011-03-23  3:11       ` Huang Shijie
2011-03-23 14:56       ` Lothar Waßmann
2011-03-23 14:56         ` Lothar Waßmann
2011-03-23 15:16         ` Florian Fainelli
2011-03-23 15:16           ` Florian Fainelli
2011-03-24  3:07           ` Huang Shijie
2011-03-24  3:07             ` Huang Shijie
2011-03-24  3:03         ` Huang Shijie
2011-03-24  3:03           ` Huang Shijie
2011-03-24  7:34           ` Lothar Waßmann
2011-03-24  7:34             ` Lothar Waßmann
2011-03-24  8:26             ` Jason Liu
2011-03-24  8:26               ` Jason Liu
2011-03-24  8:32               ` Wolfram Sang
2011-03-24  8:32                 ` Wolfram Sang
2011-03-24  8:33               ` Lothar Waßmann
2011-03-24  8:33                 ` Lothar Waßmann
2011-03-24  8:51             ` Huang Shijie
2011-03-24  8:51               ` Huang Shijie
2011-03-24 13:54               ` Florian Fainelli
2011-03-24 13:54                 ` Florian Fainelli
2011-03-25  2:50                 ` Huang Shijie
2011-03-25  2:50                   ` Huang Shijie
2011-03-16  1:42 ` [PATCH 6/7] dmaengine: change the flags of request_irq() Huang Shijie
2011-03-16 10:13   ` Lothar Waßmann
2011-03-16 12:31     ` 答复: " Huang Shijie-B32955
2011-03-18  6:12     ` Huang Shijie [this message]
2011-03-16  1:42 ` [PATCH 7/7] MTD : add GPMI driver in the config and Makefile Huang Shijie
  -- strict thread matches above, loose matches on Subject: below --
2011-03-16  1:55 [PATCH 0/7] add the GPMI controller driver for IMX23/IMX28 Huang Shijie
2011-03-16  1:55 ` [PATCH 6/7] dmaengine: change the flags of request_irq() Huang Shijie
2011-03-16  1:55   ` Huang Shijie

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