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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2011-10-11 20:13:53 +0200 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2011-10-14 13:16:35 -0400 |
| commit | d912be2f3b335353ee442262e010a225c94e6ef4 (patch) | |
| tree | 09509b47f05075febaf148aa5f19c93bde44906d /drivers/ata | |
| parent | e69a70d951787013e5fe65e843edd5711571546c (diff) | |
| download | linux-stable-d912be2f3b335353ee442262e010a225c94e6ef4.tar.gz linux-stable-d912be2f3b335353ee442262e010a225c94e6ef4.tar.bz2 linux-stable-d912be2f3b335353ee442262e010a225c94e6ef4.zip | |
pata_serverworks: add serverworks_fixup()
Factor out common code from serverworks_[re]init_one() to
serverworks_fixup().
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/pata_serverworks.c | 57 |
1 files changed, 29 insertions, 28 deletions
diff --git a/drivers/ata/pata_serverworks.c b/drivers/ata/pata_serverworks.c index 27d9802fb974..71eaf385e970 100644 --- a/drivers/ata/pata_serverworks.c +++ b/drivers/ata/pata_serverworks.c @@ -349,6 +349,31 @@ static void serverworks_fixup_ht1000(struct pci_dev *pdev) pci_write_config_byte(pdev, 0x5A, btr); } +static int serverworks_fixup(struct pci_dev *pdev) +{ + int rc = 0; + + /* Force master latency timer to 64 PCI clocks */ + pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x40); + + switch (pdev->device) { + case PCI_DEVICE_ID_SERVERWORKS_OSB4IDE: + rc = serverworks_fixup_osb4(pdev); + break; + case PCI_DEVICE_ID_SERVERWORKS_CSB5IDE: + ata_pci_bmdma_clear_simplex(pdev); + /* fall through */ + case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE: + case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2: + rc = serverworks_fixup_csb(pdev); + break; + case PCI_DEVICE_ID_SERVERWORKS_HT1000IDE: + serverworks_fixup_ht1000(pdev); + break; + } + + return rc; +} static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id *id) { @@ -386,13 +411,12 @@ static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id if (rc) return rc; - /* Force master latency timer to 64 PCI clocks */ - pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x40); + rc = serverworks_fixup(pdev); /* OSB4 : South Bridge and IDE */ if (pdev->device == PCI_DEVICE_ID_SERVERWORKS_OSB4IDE) { /* Select non UDMA capable OSB4 if we can't do fixups */ - if ( serverworks_fixup_osb4(pdev) < 0) + if (rc < 0) ppi[0] = &info[1]; } /* setup CSB5/CSB6 : South Bridge and IDE option RAID */ @@ -402,19 +426,13 @@ static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id /* If the returned btr is the newer revision then select the right info block */ - if (serverworks_fixup_csb(pdev) == 3) + if (rc == 3) ppi[0] = &info[3]; /* Is this the 3rd channel CSB6 IDE ? */ if (pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2) ppi[1] = &ata_dummy_port_info; } - /* setup HT1000E */ - else if (pdev->device == PCI_DEVICE_ID_SERVERWORKS_HT1000IDE) - serverworks_fixup_ht1000(pdev); - - if (pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE) - ata_pci_bmdma_clear_simplex(pdev); return ata_pci_bmdma_init_one(pdev, ppi, &serverworks_sht, NULL, 0); } @@ -429,24 +447,7 @@ static int serverworks_reinit_one(struct pci_dev *pdev) if (rc) return rc; - /* Force master latency timer to 64 PCI clocks */ - pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x40); - - switch (pdev->device) { - case PCI_DEVICE_ID_SERVERWORKS_OSB4IDE: - serverworks_fixup_osb4(pdev); - break; - case PCI_DEVICE_ID_SERVERWORKS_CSB5IDE: - ata_pci_bmdma_clear_simplex(pdev); - /* fall through */ - case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE: - case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2: - serverworks_fixup_csb(pdev); - break; - case PCI_DEVICE_ID_SERVERWORKS_HT1000IDE: - serverworks_fixup_ht1000(pdev); - break; - } + (void)serverworks_fixup(pdev); ata_host_resume(host); return 0; |