From 38e0d56e67849720d306e2d7cd1a2793deec9644 Mon Sep 17 00:00:00 2001
From: Alan <alan@lxorguk.ukuu.org.uk>
Date: Mon, 27 Nov 2006 16:16:35 +0000
Subject: [PATCH] pata_serverworks suspend/resume
The Serverworks chips need various fixups doing on a resume from RAM.
Conveniently the needed functions were already split out ready for re-use
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---
drivers/ata/pata_serverworks.c | 32 ++++++++++++++++++++++++++++++--
1 file changed, 30 insertions(+), 2 deletions(-)
(limited to 'drivers/ata')
diff --git a/drivers/ata/pata_serverworks.c b/drivers/ata/pata_serverworks.c
index be7f60efcb61..0fa803e6399c 100644
--- a/drivers/ata/pata_serverworks.c
+++ b/drivers/ata/pata_serverworks.c
@@ -41,7 +41,7 @@
#include <linux/libata.h>
#define DRV_NAME "pata_serverworks"
-#define DRV_VERSION "0.3.7"
+#define DRV_VERSION "0.3.9"
#define SVWKS_CSB5_REVISION_NEW 0x92 /* min PCI_REVISION_ID for UDMA5 (A2.0) */
#define SVWKS_CSB6_REVISION 0xa0 /* min PCI_REVISION_ID for UDMA4 (A1.0) */
@@ -327,6 +327,8 @@ static struct scsi_host_template serverworks_sht = {
.slave_configure = ata_scsi_slave_config,
.slave_destroy = ata_scsi_slave_destroy,
.bios_param = ata_std_bios_param,
+ .resume = ata_scsi_device_resume,
+ .suspend = ata_scsi_device_suspend,
};
static struct ata_port_operations serverworks_osb4_port_ops = {
@@ -554,6 +556,30 @@ static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id
return ata_pci_init_one(pdev, port_info, ports);
}
+static int serverworks_reinit_one(struct pci_dev *pdev)
+{
+ /* 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_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;
+ }
+ return ata_pci_device_resume(pdev);
+}
+
static const struct pci_device_id serverworks[] = {
{ PCI_VDEVICE(SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_OSB4IDE), 0},
{ PCI_VDEVICE(SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE), 2},
@@ -568,7 +594,9 @@ static struct pci_driver serverworks_pci_driver = {
.name = DRV_NAME,
.id_table = serverworks,
.probe = serverworks_init_one,
- .remove = ata_pci_remove_one
+ .remove = ata_pci_remove_one,
+ .suspend = ata_pci_device_suspend,
+ .resume = serverworks_reinit_one,
};
static int __init serverworks_init(void)
--
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