evie/android_kernel_oneplus_msm8998
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[PATCH] pata_serverworks suspend/resume

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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>
This commit is contained in:
Alan 2006-11-27 16:16:35 +00:00 • committed by Jeff Garzik
parent 7f72a37914
commit 38e0d56e67
1 changed files with 30 additions and 2 deletions
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32
drivers/ata/pata_serverworks.c
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@ -41,7 +41,7 @@
#include <linux/libata.h> #include <linux/libata.h>
#define DRV_NAME "pata_serverworks" #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_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) */ #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_configure = ata_scsi_slave_config,
.slave_destroy = ata_scsi_slave_destroy, .slave_destroy = ata_scsi_slave_destroy,
.bios_param = ata_std_bios_param, .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 = { 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); 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[] = { static const struct pci_device_id serverworks[] = {
{ PCI_VDEVICE(SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_OSB4IDE), 0}, { PCI_VDEVICE(SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_OSB4IDE), 0},
{ PCI_VDEVICE(SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE), 2}, { PCI_VDEVICE(SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE), 2},
@ -568,7 +594,9 @@ static struct pci_driver serverworks_pci_driver = {
.name = DRV_NAME, .name = DRV_NAME,
.id_table = serverworks, .id_table = serverworks,
.probe = serverworks_init_one, .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) static int __init serverworks_init(void)