[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
--- 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 @@
.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 @@
};
/**
+ * 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 @@
.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 @@
.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)