[PATCH] pata_hpt3x3: suspend/resume support

Again split the chipset init away and call it both on resume and on setup

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/ata/pata_hpt3x3.c b/drivers/ata/pata_hpt3x3.c
index d216cc5..e9fb029 100644 (file)
--- a/drivers/ata/pata_hpt3x3.c
+++ b/drivers/ata/pata_hpt3x3.c
@@ -23,7 +23,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME       "pata_hpt3x3"
-#define DRV_VERSION    "0.4.1"
+#define DRV_VERSION    "0.4.2"
 
 static int hpt3x3_probe_init(struct ata_port *ap)
 {
@@ -120,6 +120,8 @@ static struct scsi_host_template hpt3x3_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 hpt3x3_port_ops = {
@@ -158,6 +160,27 @@ static struct ata_port_operations hpt3x3_port_ops = {
 };
 
 /**
+ *     hpt3x3_init_chipset     -       chip setup
+ *     @dev: PCI device
+ *
+ *     Perform the setup required at boot and on resume.
+ */
+ 
+static void hpt3x3_init_chipset(struct pci_dev *dev)
+{
+       u16 cmd;
+       /* Initialize the board */
+       pci_write_config_word(dev, 0x80, 0x00);
+       /* Check if it is a 343 or a 363. 363 has COMMAND_MEMORY set */
+       pci_read_config_word(dev, PCI_COMMAND, &cmd);
+       if (cmd & PCI_COMMAND_MEMORY)
+               pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xF0);
+       else
+               pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x20);
+}
+
+
+/**
  *     hpt3x3_init_one         -       Initialise an HPT343/363
  *     @dev: PCI device
  *     @id: Entry in match table
@@ -178,21 +201,18 @@ static int hpt3x3_init_one(struct pci_dev *dev, const struct pci_device_id *id)
                .port_ops = &hpt3x3_port_ops
        };
        static struct ata_port_info *port_info[2] = { &info, &info };
-       u16 cmd;
-
-       /* Initialize the board */
-       pci_write_config_word(dev, 0x80, 0x00);
-       /* Check if it is a 343 or a 363. 363 has COMMAND_MEMORY set */
-       pci_read_config_word(dev, PCI_COMMAND, &cmd);
-       if (cmd & PCI_COMMAND_MEMORY)
-               pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xF0);
-       else
-               pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x20);
 
+       hpt3x3_init_chipset(dev);
        /* Now kick off ATA set up */
        return ata_pci_init_one(dev, port_info, 2);
 }
 
+static int hpt3x3_reinit_one(struct pci_dev *dev)
+{
+       hpt3x3_init_chipset(dev);
+       return ata_pci_device_resume(dev);
+}
+
 static const struct pci_device_id hpt3x3[] = {
        { PCI_VDEVICE(TTI, PCI_DEVICE_ID_TTI_HPT343), },
 
@@ -203,7 +223,9 @@ static struct pci_driver hpt3x3_pci_driver = {
        .name           = DRV_NAME,
        .id_table       = hpt3x3,
        .probe          = hpt3x3_init_one,
-       .remove         = ata_pci_remove_one
+       .remove         = ata_pci_remove_one,
+       .suspend        = ata_pci_device_suspend,
+       .resume         = hpt3x3_reinit_one,
 };
 
 static int __init hpt3x3_init(void)