> On Sat, Feb 19 2005, Jeff Garzik wrote:
> > Albert Lee wrote:
> > >I'm a little confused about what is the "correct behavior" of ATAPI DMA
> > >INTRQ.
> > >
> > >1. The ATA-4 flowchart and ATA-6 state diagram seems to be inconsistent.
> > >In the ATA-4 flowchart, no wait for INTRQ is specified.
On Sat, Feb 19 2005, Jeff Garzik wrote:
> Albert Lee wrote:
> >I'm a little confused about what is the "correct behavior" of ATAPI DMA
> >INTRQ.
> >
> >1. The ATA-4 flowchart and ATA-6 state diagram seems to be inconsistent.
> >In the ATA-4 flowchart, no wait for INTRQ is specified.
> >
> >2. From
Albert Lee wrote:
I'm a little confused about what is the "correct behavior" of ATAPI DMA INTRQ.
1. The ATA-4 flowchart and ATA-6 state diagram seems to be inconsistent.
In the ATA-4 flowchart, no wait for INTRQ is specified.
2. From the ATA-5 errata:
http://www.t13.org/project/e01122r0.pdf
"...Pag
Albert Lee wrote:
I'm a little confused about what is the "correct behavior" of ATAPI DMA INTRQ.
1. The ATA-4 flowchart and ATA-6 state diagram seems to be inconsistent.
In the ATA-4 flowchart, no wait for INTRQ is specified.
2. From the ATA-5 errata:
http://www.t13.org/project/e01122r0.pdf
"...Pag
> gp wrote:
> > Jeff
> >
> > I think I may have found an issue in the ATAPI code in the function
> > atapi_packet_task.
> >
> > From my testing with the sata_via driver, I have been getting a timeout
> > when sending the first inquiry command.
> >
> >
> > Here is the section of code of inter
gp wrote:
Jeff
I think I may have found an issue in the ATAPI code in the function
atapi_packet_task.
From my testing with the sata_via driver, I have been getting a timeout
when sending the first inquiry command.
Here is the section of code of interest:
/* make sure DRQ is set */
stat
Jeff
I think I may have found an issue in the ATAPI code in the function
atapi_packet_task.
From my testing with the sata_via driver, I have been getting a timeout
when sending the first inquiry command.
Here is the section of code of interest:
/* make sure DRQ is set */
status = at