[PATCH 1/2] [IDE] Platform IDE driver
scottwood at freescale.com
Thu Jul 26 05:17:41 EST 2007
Sergei Shtylyov wrote:
>> It doesn't buy us anything in here, but it's conceivable that someone
>> may want to write a driver that uses a shift in the I/O accessor
>> rather than an array of port offsets,
> It wouldn't be IDE driver then, and neither it would be libata which
> also does this another way this (despite pata_platform uses shifts too
> -- not in the accessors, so no speed loss).
The device tree is not just for Linux.
>> equivalent of the cntlzw innstruction, and shift makes it clear that
>> the stride must be power-of-two). Plus, using shift is consistent
>> with what we do on ns16550.
> Why the heck should we care about the UART code taling about IDE?!
> So, let me consider your argument purely speculative and invalid. ;-)
Consider it whatever you want. :-)
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