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@xxxxxxxxxxxxx>
---
Resending with a proper tear line.
drivers/ata/pata_cmd64x.c | 28 +++++++++++++++++-----------
1 file changed, 17 insertions(+), 11 deletions(-)
Index: linux-2.6/drivers/ata/pata_cmd64x.c
===================================================================
--- linux-2.6.orig/drivers/ata/pata_cmd64x.c
+++ linux-2.6/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_de
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);
--
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