Re: serial flow control appears broken

From: Robert Hancock
Date: Thu Aug 02 2007 - 13:03:31 EST


Alan Cox wrote:
I think that PIO transfers only have to be done with interrupts disabled on really old, evil controllers (without unmask set). I don't think libata ever disables interrupts during transfers(?)

Currently libata PIO is mostly done in the IRQ path. Albert Lee was doing
some work on that but its actually very hard to fix without doing polled
PIO.

Ah, right. Misread the code.
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