[PATCH] IMX/SDMA : save the real count for one DMA transaction.

[Wolfram Sang]

> >> +	/* save the real count we received or transmitted. */
> >> +	chan->private = (void *)count;
> > And if someone later needs another variable which is private?
> >
> I ever wanted to add an new parameter `void *` to dma_aync_tx_callback,
> but it seemed i have
> to change a lot of files.
> 
> Do you have any better suggestion?

Use a private struct and put count in there.

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
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