Re: [PATCH] (pata-2.6 fix queue) cmd64x: use interrupt status from MRDMODE register

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On Friday 16 February 2007, Sergei Shtylyov wrote:
> Fold the parts of the ide_dma_end() methods indetical to __ide_dma_end() into a
> mere call to it.
> Start using faster versions of the ide_dma_end() and ide_dma_test_irq() methods
> for the PCI0646U and newer chips that have the duplicate interrupt status bits
> in the I/O mapped MRDMODE register, determing what methods to use at the driver
> load time.  Do some cleanup/renaming in the "old" ide_dma_test_irq() method.
> 
> While at it, fix minor issues with PCI0646 chipset reporting:
> 
> - "IRQ workaround enabled" printed out not only for revision 0x01;
> 
> - "CMD646: chipset revision" printed twice (by IDE core and the driver itself);
> 
> - empty/pointless switch cases for the chips other than PCI0646.
> 
> Signed-off-by: Sergei Shtylyov <sshtylyov@xxxxxxxxxxxxx>

applied
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