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| author | Sergei Shtylyov <sshtylyov@ru.mvista.com> | 2012-03-11 22:29:02 +0300 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2012-03-13 16:41:31 -0400 |
| commit | 8fcfa7bd1b77514cfdce77751c980460535f56b4 (patch) | |
| tree | 1d301e23c7e8859c8e369b4f1120d202bcd7fec2 /drivers/ata/pata_cmd64x.c | |
| parent | d01159dffa15e3a734e43cf58c5d9f04c4106d83 (diff) | |
| download | linux-8fcfa7bd1b77514cfdce77751c980460535f56b4.tar.gz | |
pata_cmd64x: turn string of *if* statements into *switch*
Convert string of the *if* statements all checking 'pdev->revision' into more natural *switch* statement. While at it, somewhat clarify the comments there... Increment the driver version, accounting for the patches that neglected to do this in the past. Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/pata_cmd64x.c')
| -rw-r--r-- | drivers/ata/pata_cmd64x.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/drivers/ata/pata_cmd64x.c b/drivers/ata/pata_cmd64x.c index e1fb39a74ce1..028638c7c1d9 100644 --- a/drivers/ata/pata_cmd64x.c +++ b/drivers/ata/pata_cmd64x.c @@ -32,7 +32,7 @@ #include <linux/libata.h> #define DRV_NAME "pata_cmd64x" -#define DRV_VERSION "0.2.5" +#define DRV_VERSION "0.2.15" /* * CMD64x specific registers definition. @@ -368,21 +368,27 @@ static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id) if (id->driver_data == 0) /* 643 */ ata_pci_bmdma_clear_simplex(pdev); - if (pdev->device == PCI_DEVICE_ID_CMD_646) { - /* Does UDMA work ? */ - if (pdev->revision > 4) { + if (pdev->device == PCI_DEVICE_ID_CMD_646) + switch (pdev->revision) { + /* UDMA works since rev 5 */ + default: ppi[0] = &cmd_info[2]; ppi[1] = &cmd_info[2]; - } - /* Early rev with other problems ? */ - else if (pdev->revision == 1) { + break; + case 3: + case 4: + break; + /* Rev 1 with other problems? */ + case 1: ppi[0] = &cmd_info[3]; ppi[1] = &cmd_info[3]; - } - /* revs 1,2 have no CNTRL_CH0 */ - if (pdev->revision < 3) + /* FALL THRU */ + /* Early revs have no CNTRL_CH0 */ + case 2: + case 0: cntrl_ch0_ok = 0; - } + break; + } cmd64x_fixup(pdev); |