diff options
| author | Jeff Garzik <jgarzik@pobox.com> | 2005-06-04 00:50:22 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-06-04 00:50:22 -0400 |
| commit | 4b0060f4bdec7484e8d1ad68f7b28b3f1c2e6bf8 (patch) | |
| tree | f8037f79b3a02aacf7d934229302a6845728aedb /drivers/scsi/ahci.c | |
| parent | ead5de996fc35f97fa120b414bfc098f1bca29d2 (diff) | |
[libata] ahci: minor PCI MSI cleanup
Replace 'have_msi' variable with a bit in the existing 'flags' variable,.
AHCI_FLAG_MSI.
Diffstat (limited to 'drivers/scsi/ahci.c')
| -rw-r--r-- | drivers/scsi/ahci.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c index eb7940aba40..1799233dcf9 100644 --- a/drivers/scsi/ahci.c +++ b/drivers/scsi/ahci.c @@ -134,6 +134,9 @@ enum { PORT_CMD_ICC_ACTIVE = (0x1 << 28), /* Put i/f in active state */ PORT_CMD_ICC_PARTIAL = (0x2 << 28), /* Put i/f in partial state */ PORT_CMD_ICC_SLUMBER = (0x6 << 28), /* Put i/f in slumber state */ + + /* hpriv->flags bits */ + AHCI_FLAG_MSI = (1 << 0), }; struct ahci_cmd_hdr { @@ -153,7 +156,6 @@ struct ahci_sg { struct ahci_host_priv { unsigned long flags; - unsigned int have_msi; /* is PCI MSI enabled? */ u32 cap; /* cache of HOST_CAP register */ u32 port_map; /* cache of HOST_PORTS_IMPL reg */ }; @@ -797,8 +799,6 @@ static int ahci_host_init(struct ata_probe_ent *probe_ent) return rc; } } - - hpriv->flags |= HOST_CAP_64; } else { rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK); if (rc) { @@ -1036,7 +1036,8 @@ static int ahci_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) probe_ent->mmio_base = mmio_base; probe_ent->private_data = hpriv; - hpriv->have_msi = have_msi; + if (have_msi) + hpriv->flags |= AHCI_FLAG_MSI; /* initialize adapter */ rc = ahci_host_init(probe_ent); @@ -1084,7 +1085,7 @@ static void ahci_remove_one (struct pci_dev *pdev) scsi_remove_host(ap->host); } - have_msi = hpriv->have_msi; + have_msi = hpriv->flags & AHCI_FLAG_MSI; free_irq(host_set->irq, host_set); for (i = 0; i < host_set->n_ports; i++) { |