Re: [PATCH v2 2/9] spi: dw-mid: clear BUSY flag fist and test other one

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On Mon, Mar 02, 2015 at 08:15:59PM +0200, Andy Shevchenko wrote:
> The logic of DMA completion is broken now since test_and_clear_bit() never
> returns the other bit is set. It means condition are always false and we have
> spi_finalize_current_transfer() called per each DMA completion which is wrong.
> 
> The patch fixes logic by clearing BUSY bit first and then check for the other
> one.
> 
> Fixes: 30c8eb52cc4a (spi: dw-mid: split rx and tx callbacks when DMA)

The commit this is fixing is in v3.19 so this should go to stable but I
can't apply this against my fix/dw branch.  Can you generate a version
that can be applied there please?  We'll need to work out the merge
issues with the current code I gues...

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