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Subject[PATCH 74/86] pata_serverworks: add serverworks_fixup()
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Subject: [PATCH] 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>
---
drivers/ata/pata_serverworks.c | 57 ++++++++++++++++++++---------------------
1 file changed, 29 insertions(+), 28 deletions(-)
Index: b/drivers/ata/pata_serverworks.c
===================================================================
--- a/drivers/ata/pata_serverworks.c
+++ b/drivers/ata/pata_serverworks.c
@@ -371,6 +371,31 @@ static void serverworks_fixup_ht1000(str
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)
{
@@ -408,13 +433,12 @@ static int serverworks_init_one(struct p
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 */
@@ -424,19 +448,13 @@ static int serverworks_init_one(struct p

/* 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_sff_init_one(pdev, ppi, &serverworks_sht, NULL);
}
@@ -451,24 +469,7 @@ static int serverworks_reinit_one(struct
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;

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