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Subject[PATCH 1/3] pata_serverworks: use standard cable detection methods
Date
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Subject: [PATCH] pata_serverworks: use standard cable detection methods

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
earlier references:
https://lkml.org/lkml/2009/11/25/375

drivers/ata/pata_serverworks.c | 45 ++++++++++-------------------------------
1 file changed, 12 insertions(+), 33 deletions(-)

Index: b/drivers/ata/pata_serverworks.c
===================================================================
--- a/drivers/ata/pata_serverworks.c
+++ b/drivers/ata/pata_serverworks.c
@@ -64,7 +64,8 @@ static const char *csb_bad_ata100[] = {
* bits of the subsystem ID.
*/

-static int dell_cable(struct ata_port *ap) {
+static int dell_cable(struct ata_port *ap)
+{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);

if (pdev->subsystem_device & (1 << (ap->port_no + 14)))
@@ -81,7 +82,8 @@ static int dell_cable(struct ata_port *a
* need to extend the Dell one in future
*/

-static int sun_cable(struct ata_port *ap) {
+static int sun_cable(struct ata_port *ap)
+{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);

if (pdev->subsystem_device & (1 << (ap->port_no + 14)))
@@ -89,29 +91,6 @@ static int sun_cable(struct ata_port *ap
return ATA_CBL_PATA40;
}

-/**
- * osb4_cable - OSB4 cable detect
- * @ap: ATA port to check
- *
- * The OSB4 isn't UDMA66 capable so this is easy
- */
-
-static int osb4_cable(struct ata_port *ap) {
- return ATA_CBL_PATA40;
-}
-
-/**
- * csb_cable - CSB5/6 cable detect
- * @ap: ATA port to check
- *
- * Serverworks default arrangement is to use the drive side detection
- * only.
- */
-
-static int csb_cable(struct ata_port *ap) {
- return ATA_CBL_PATA_UNK;
-}
-
struct sv_cable_table {
int device;
int subvendor;
@@ -124,14 +103,14 @@ struct sv_cable_table {
*/

static struct sv_cable_table cable_detect[] = {
- { PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, PCI_VENDOR_ID_DELL, dell_cable },
- { PCI_DEVICE_ID_SERVERWORKS_CSB6IDE, PCI_VENDOR_ID_DELL, dell_cable },
- { PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, PCI_VENDOR_ID_SUN, sun_cable },
- { PCI_DEVICE_ID_SERVERWORKS_OSB4IDE, PCI_ANY_ID, osb4_cable },
- { PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, PCI_ANY_ID, csb_cable },
- { PCI_DEVICE_ID_SERVERWORKS_CSB6IDE, PCI_ANY_ID, csb_cable },
- { PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2, PCI_ANY_ID, csb_cable },
- { PCI_DEVICE_ID_SERVERWORKS_HT1000IDE, PCI_ANY_ID, csb_cable },
+ { PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, PCI_VENDOR_ID_DELL, dell_cable },
+ { PCI_DEVICE_ID_SERVERWORKS_CSB6IDE, PCI_VENDOR_ID_DELL, dell_cable },
+ { PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, PCI_VENDOR_ID_SUN, sun_cable },
+ { PCI_DEVICE_ID_SERVERWORKS_OSB4IDE, PCI_ANY_ID, ata_cable_40wire },
+ { PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, PCI_ANY_ID, ata_cable_unknown },
+ { PCI_DEVICE_ID_SERVERWORKS_CSB6IDE, PCI_ANY_ID, ata_cable_unknown },
+ { PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2, PCI_ANY_ID, ata_cable_unknown },
+ { PCI_DEVICE_ID_SERVERWORKS_HT1000IDE, PCI_ANY_ID, ata_cable_unknown },
{ }
};


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