-/*
- * What we have here is a classic case of a top half / bottom half interrupt
- * service routine. In interrupt mode, the device sends an interrupt to signal
- * that it is ready to receive a packet. However, we need to delay about 2-3
- * ticks before issuing the packet or we gets in trouble.
- */
-static int idefloppy_transfer_pc(ide_drive_t *drive)
-{
- /* Send the actual packet */
- drive->hwif->tp_ops->output_data(drive, NULL, drive->pc->c, 12);
-
- /* Timeout for the packet command */
- return WAIT_FLOPPY_CMD;
-}
-
-/*
- * Called as an interrupt (or directly). When the device says it's ready for a
- * packet, we schedule the packet transfer to occur about 2-3 ticks later in
- * transfer_pc.
- */
-static ide_startstop_t idefloppy_start_pc_transfer(ide_drive_t *drive)
-{
- idefloppy_floppy_t *floppy = drive->driver_data;
- ide_expiry_t *expiry;
- unsigned int timeout;
-
- /*
- * The following delay solves a problem with ATAPI Zip 100 drives
- * where the Busy flag was apparently being deasserted before the
- * unit was ready to receive data. This was happening on a
- * 1200 MHz Athlon system. 10/26/01 25msec is too short,
- * 40 and 50msec work well. ide_pc_intr will not be actually
- * used until after the packet is moved in about 50 msec.
- */
- if (drive->atapi_flags & IDE_AFLAG_ZIP_DRIVE) {
- timeout = floppy->ticks;
- expiry = &idefloppy_transfer_pc;
- } else {
- timeout = WAIT_FLOPPY_CMD;
- expiry = NULL;
- }
-
- return ide_transfer_pc(drive, timeout, expiry);
-}
-