[libata ata_piix] Fix ICH6/7 map value interpretation

The previous change failed to properly mask out unrelated bits, which
resulted in a failure to detect devices.

parent c2bd5804

drivers/scsi/ata_piix.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -713,7 +713,7 @@ static int piix_init_one (struct pci_dev pdev, const struct pci_device_id ent)
		pci_read_config_byte(pdev, ICH5_PMR, &tmp);

		if (host_flags & PIIX_FLAG_COMBINED_ICH6) {
		switch (tmp) {
		switch (tmp & 0x3) {
		case 0:
		break;
		case 1: