答复: [PATCH 6/7] dmaengine: change the flags of request_irq()

[Huang Shijie-B32955]

Hi:
   Ok. I'd better ask Shawn Guo to fix the problem.

Huang Shijie


> 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.


Lothar Waßmann
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