}
if (status & PORT_IRQ_SDB_FIS) {
- /*
- * if this is an ATAPI device with AN turned on,
- * then we should interrogate the device to
- * determine the cause of the interrupt
- *
- * for AN - this we should check the SDB FIS
- * and find the I and N bits set
+ /* If the 'N' bit in word 0 of the FIS is set, we just
+ * received asynchronous notification. Tell libata
+ * about it. Note that as the SDB FIS itself is
+ * accessible, SNotification can be emulated by the
+ * driver but don't bother for the time being.
*/
const __le32 *f = pp->rx_fis + RX_FIS_SDB;
u32 f0 = le32_to_cpu(f[0]);
- /* check the 'N' bit in word 0 of the FIS */
- if (f0 & (1 << 15)) {
- int port_addr = ((f0 & 0x00000f00) >> 8);
- struct ata_device *adev;
- if (port_addr < ATA_MAX_DEVICES) {
- adev = &ap->link.device[port_addr];
- if (adev->flags & ATA_DFLAG_AN)
- ata_scsi_media_change_notify(adev);
- }
- }
+ if (f0 & (1 << 15))
+ sata_async_notification(ap);
}
if (ap->link.sactive)