Re: [PATCH] libata-sff: Don't call bmdma_stop on non DMA capablecontrollers

[Jeff Garzik]

Linus Torvalds wrote:
> So *if* you use the new "iomap" interfaces, and the new "pci_iomap()" 
> things, that should actually not just allow drivers (like the ATA layer) 
> to share much more code between the PIO and MMIO cases, but it hopefully 
> actually makes it easier for strange architectures to do it all.


Another aside:  Tejun took my libata iomap and came up with something 
I'm quite happy with, so libata will /finally/ switch over to using the 
new iomap interfaces for 98% of all drivers, as of 2.6.21.

Look at "[PATCHSET] Managed device resources, take #3" on LKML if you're 
interested.  Tejun's 'devres' stuff makes it a lot easier for drivers to 
reserve, map, unmap, and free various hardware resources.

	Jeff


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