Re: 2.6.29-rc libata sff 32bit PIO regression

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Hello.

Alan Cox wrote:

+	if (pdev->device == PCI_DEVICE_ID_AMD_VIPER_7411) /* FIFO is broken */
+		fifo = 0;
+
+	/* On the later chips the read prefetch bits become no-op bits */
+	pci_read_config_byte(pdev, 0x41, &r);
+	r &= ~fifobit[ap->port_no];
  Why not:

       r &= ~fifo;

Because then it wouldn't clear the bits if they were set already and we
wanted them off!

  Ah, missed the modification of 'fifo'... :-<

MBR, Sergei


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