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
next prev parent reply other threads:[~2011-03-18 6:12 UTC|newest]
Thread overview: 31+ 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 10:36 ` Lothar Waßmann
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
2011-03-16 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 14:56 ` Lothar Waßmann
2011-03-23 15:16 ` Florian Fainelli
2011-03-24 3:07 ` Huang Shijie
2011-03-24 3:03 ` Huang Shijie
2011-03-24 7:34 ` Lothar Waßmann
2011-03-24 8:26 ` Jason Liu
2011-03-24 8:32 ` Wolfram Sang
2011-03-24 8:33 ` Lothar Waßmann
2011-03-24 8:51 ` Huang Shijie
2011-03-24 13:54 ` Florian Fainelli
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
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