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.TH "IT821X_DMA_START" "9" "09 October 2005" "" ""

.SH NAME
it821x_dma_start \- DMA hook
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
void it821x_dma_start  (ide_drive_t * \fIdrive\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIdrive\fB\fR
drive for DMA
.SH "DESCRIPTION"
.PP
The IT821x has a single timing register for MWDMA and for PIO
operations. As we flip back and forth we have to reload the
clock. In addition the rev 0x10 device only works if the same
timing value is loaded into the master and slave UDMA clock
so we must also reload that.
.SH "FIXME"
.PP
we could figure out in advance if we need to do reloads