cmd64x: set IDE_HFLAG_SERIALIZE explictly for CMD646

* Set IDE_HFLAG_SERIALIZE explictly for CMD646.

* Remove no longer needed ide_cmd646 chipset type (which has
  a nice side-effect of fixing handling of unexpected IRQs).

Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

3 files changed, 3 insertions, 4 deletions

diff --git a/drivers/ide/cmd64x.c b/drivers/ide/cmd64x.c
index 935385c77e06..3623bf013bcf 100644
--- a/drivers/ide/cmd64x.c
+++ b/drivers/ide/cmd64x.c
@@ -424,10 +424,10 @@ static const struct ide_port_info cmd64x_chipsets[] __devinitdata = {
                 .name           = DRV_NAME,
                 .init_chipset   = init_chipset_cmd64x,
                 .enablebits     = {{0x51,0x04,0x04}, {0x51,0x08,0x08}},
-                .chipset        = ide_cmd646,
                 .port_ops       = &cmd64x_port_ops,
                 .dma_ops        = &cmd648_dma_ops,
-                .host_flags     = IDE_HFLAG_ABUSE_PREFETCH,
+                .host_flags     = IDE_HFLAG_SERIALIZE |
+                                  IDE_HFLAG_ABUSE_PREFETCH,
                 .pio_mask       = ATA_PIO5,
                 .mwdma_mask     = ATA_MWDMA2,
                 .udma_mask      = ATA_UDMA2,
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index b0f9ededfad7..a0eb72e2a026 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -1125,7 +1125,7 @@ static int init_irq (ide_hwif_t *hwif)
                 sa = IRQF_SHARED;
 #endif /* __mc68000__ */
 
-                if (hwif->chipset == ide_pci || hwif->chipset == ide_cmd646)
+                if (hwif->chipset == ide_pci)
                         sa = IRQF_SHARED;
 
                 if (io_ports->ctl_addr)
diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c
index dd899e1f3841..e41669eec2c2 100644
--- a/drivers/ide/ide-proc.c
+++ b/drivers/ide/ide-proc.c
@@ -48,7 +48,6 @@ static int proc_ide_read_imodel
         case ide_ht6560b:       name = "ht6560b";       break;
         case ide_rz1000:        name = "rz1000";        break;
         case ide_trm290:        name = "trm290";        break;
-        case ide_cmd646:        name = "cmd646";        break;
         case ide_cy82c693:      name = "cy82c693";      break;
         case ide_4drives:       name = "4drives";       break;
         case ide_pmac:          name = "mac-io";        break;