ide: use try_to_identify() in ide_driveid_update()

* Pass pointer to buffer for IDENTIFY data to do_identify()
  and try_to_identify().

* Un-static try_to_identify() and use it in ide_driveid_update().

* Rename try_to_identify() to ide_dev_read_id().

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 4 insertions, 50 deletions

diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index affbc603987a..317c5dadd7c0 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -289,65 +289,19 @@ no_80w:
 
 int ide_driveid_update(ide_drive_t *drive)
 {
-        ide_hwif_t *hwif = drive->hwif;
-        const struct ide_tp_ops *tp_ops = hwif->tp_ops;
         u16 *id;
-        unsigned long flags;
-        int use_altstatus = 0, rc;
-        u8 a, uninitialized_var(s);
+        int rc;
 
         id = kmalloc(SECTOR_SIZE, GFP_ATOMIC);
         if (id == NULL)
                 return 0;
 
-        /*
-         * Re-read drive->id for possible DMA mode
-         * change (copied from ide-probe.c)
-         */
-
         SELECT_MASK(drive, 1);
-        tp_ops->set_irq(hwif, 0);
-        msleep(50);
-
-        if (hwif->io_ports.ctl_addr &&
-            (hwif->host_flags & IDE_HFLAG_BROKEN_ALTSTATUS) == 0) {
-                a = tp_ops->read_altstatus(hwif);
-                s = tp_ops->read_status(hwif);
-                if ((a ^ s) & ~ATA_IDX)
-                        /* ancient Seagate drives, broken interfaces */
-                        printk(KERN_INFO "%s: probing with STATUS(0x%02x) "
-                                         "instead of ALTSTATUS(0x%02x)\n",
-                                         drive->name, s, a);
-                else
-                        /* use non-intrusive polling */
-                        use_altstatus = 1;
-        }
-
-        tp_ops->exec_command(hwif, ATA_CMD_ID_ATA);
-
-        if (ide_busy_sleep(hwif, WAIT_WORSTCASE / 2, use_altstatus)) {
-                rc = 1;
-                goto out_err;
-        }
-
-        msleep(50);     /* wait for IRQ and ATA_DRQ */
-
-        s = tp_ops->read_status(hwif);
+        rc = ide_dev_read_id(drive, ATA_CMD_ID_ATA, id);
+        SELECT_MASK(drive, 0);
 
-        if (!OK_STAT(s, ATA_DRQ, BAD_R_STAT)) {
-                rc = 2;
+        if (rc)
                 goto out_err;
-        }
-
-        local_irq_save(flags);
-        tp_ops->input_data(drive, NULL, id, SECTOR_SIZE);
-        local_irq_restore(flags);
-
-        (void)tp_ops->read_status(hwif); /* clear drive IRQ */
-
-        ide_fix_driveid(id);
-
-        SELECT_MASK(drive, 0);
 
         drive->id[ATA_ID_UDMA_MODES]  = id[ATA_ID_UDMA_MODES];
         drive->id[ATA_ID_MWDMA_MODES] = id[ATA_ID_MWDMA_MODES];