Re: [PATCH 1/1] pata_cs5536: ATA driver for Geode companion chip

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Alan Cox wrote:
pata_cs5536.c relies on Geode Machine Specific Registers to configure
the ATA function and uses the correct PIO timings for the chip.

Signed-off-by: Martin K. Petersen <mkp@xxxxxxx>

I'm basically happy with this but would appreciate some feedback from AMD
on the subject.

(cc added therefore : info-linux@xxxxxxxxxxxxx)

+	.qc_issue	= ata_qc_issue_prot,

The older AMD ex NS ex Cyrix chipsets mishandle 64K DMA blocks - is that
the case for the CS5536 or not - does it consider a PRD entry with zero
length as 64K or 0 bytes

Good point.


+	if ((cfg & IDE_CFG_CHANEN) == 0) {
+		printk(KERN_ERR "CS5536: disabled by BIOS\n");

To save Jeff whining - he'll want that to be DRV_NAME or similar and to
call it pata_cs5536

Now I'm embarrassed... I looked over the driver and missed this ;-) ;-)

	Jeff


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