X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fata%2Fpata_jmicron.c;h=d50264af284811d164b231f4a4d01e352b8751d0;hb=768c242b30d9ec5581dd245e8289acb6b77815d1;hp=6832a643a9eb770ae88d12c6f89565d918ad601e;hpb=2dc94310bd94d0906febea7d0f7c188da620c952;p=powerpc.git

diff --git a/drivers/ata/pata_jmicron.c b/drivers/ata/pata_jmicron.c
index 6832a643a9..d50264af28 100644
--- a/drivers/ata/pata_jmicron.c
+++ b/drivers/ata/pata_jmicron.c
@@ -19,7 +19,7 @@
 #include <linux/ata.h>
 
 #define DRV_NAME	"pata_jmicron"
-#define DRV_VERSION	"0.1.2"
+#define DRV_VERSION	"0.1.4"
 
 typedef enum {
 	PORT_PATA0 = 0,
@@ -51,7 +51,7 @@ static int jmicron_pre_reset(struct ata_port *ap)
 	/* Check if our port is enabled */
 	pci_read_config_dword(pdev, 0x40, &control);
 	if ((control & port_mask) == 0)
-		return 0;
+		return -ENOENT;
 
 	/* There are two basic mappings. One has the two SATA ports merged
 	   as master/slave and the secondary as PATA, the other has only the
@@ -128,14 +128,13 @@ static struct scsi_host_template jmicron_sht = {
 	.can_queue		= ATA_DEF_QUEUE,
 	.this_id		= ATA_SHT_THIS_ID,
 	.sg_tablesize		= LIBATA_MAX_PRD,
-	/* Special handling needed if you have sector or LBA48 limits */
-	.max_sectors		= ATA_MAX_SECTORS,
 	.cmd_per_lun		= ATA_SHT_CMD_PER_LUN,
 	.emulated		= ATA_SHT_EMULATED,
 	.use_clustering		= ATA_SHT_USE_CLUSTERING,
 	.proc_name		= DRV_NAME,
 	.dma_boundary		= ATA_DMA_BOUNDARY,
 	.slave_configure	= ata_scsi_slave_config,
+	.slave_destroy		= ata_scsi_slave_destroy,
 	/* Use standard CHS mapping rules */
 	.bios_param		= ata_std_bios_param,
 };
@@ -164,8 +163,7 @@ static const struct ata_port_operations jmicron_ops = {
 	.qc_issue		= ata_qc_issue_prot,
 	.data_xfer		= ata_pio_data_xfer,
 
-	/* Timeout handling. Special recovery hooks here */
-	.eng_timeout		= ata_eng_timeout,
+	/* IRQ-related hooks */
 	.irq_handler		= ata_interrupt,
 	.irq_clear		= ata_bmdma_irq_clear,
 
@@ -206,21 +204,12 @@ static int jmicron_init_one (struct pci_dev *pdev, const struct pci_device_id *i
 
 	u32 reg;
 
-	if (id->driver_data != 368) {
-		/* Put the controller into AHCI mode in case the AHCI driver
-		   has not yet been loaded. This can be done with either
-		   function present */
-
-		/* FIXME: We may want a way to override this in future */
-		pci_write_config_byte(pdev, 0x41, 0xa1);
-	}
-
 	/* PATA controller is fn 1, AHCI is fn 0 */
-	if (PCI_FUNC(pdev->devfn) != 1)
+	if (id->driver_data != 368 && PCI_FUNC(pdev->devfn) != 1)
 		return -ENODEV;
 
-	if ( id->driver_data == 365 || id->driver_data == 366) {
-		/* The 365/66 have two PATA channels, redirect the second */
+	/* The 365/66 have two PATA channels, redirect the second */
+	if (id->driver_data == 365 || id->driver_data == 366) {
 		pci_read_config_dword(pdev, 0x80, &reg);
 		reg |= (1 << 24);	/* IDE1 to PATA IDE secondary */
 		pci_write_config_dword(pdev, 0x80, reg);
@@ -229,12 +218,34 @@ static int jmicron_init_one (struct pci_dev *pdev, const struct pci_device_id *i
 	return ata_pci_init_one(pdev, port_info, 2);
 }
 
+static int jmicron_reinit_one(struct pci_dev *pdev)
+{
+	u32 reg;
+	
+	switch(pdev->device) {
+		case PCI_DEVICE_ID_JMICRON_JMB368:
+			break;
+		case PCI_DEVICE_ID_JMICRON_JMB365:
+		case PCI_DEVICE_ID_JMICRON_JMB366:
+			/* Restore mapping or disks swap and boy does it get ugly */
+			pci_read_config_dword(pdev, 0x80, &reg);
+			reg |= (1 << 24);	/* IDE1 to PATA IDE secondary */
+			pci_write_config_dword(pdev, 0x80, reg);
+			/* Fall through */
+		default:
+			/* Make sure AHCI is turned back on */
+			pci_write_config_byte(pdev, 0x41, 0xa1);
+	}
+	return ata_pci_device_resume(pdev);
+}
+
 static const struct pci_device_id jmicron_pci_tbl[] = {
-	{ PCI_DEVICE(PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB361), 361},
-	{ PCI_DEVICE(PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB363), 363},
-	{ PCI_DEVICE(PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB365), 365},
-	{ PCI_DEVICE(PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB366), 366},
-	{ PCI_DEVICE(PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB368), 368},
+	{ PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMB361), 361},
+	{ PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMB363), 363},
+	{ PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMB365), 365},
+	{ PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMB366), 366},
+	{ PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMB368), 368},
+
 	{ }	/* terminate list */
 };
 
@@ -243,6 +254,8 @@ static struct pci_driver jmicron_pci_driver = {
 	.id_table		= jmicron_pci_tbl,
 	.probe			= jmicron_init_one,
 	.remove			= ata_pci_remove_one,
+	.suspend		= ata_pci_device_suspend,
+	.resume			= jmicron_reinit_one,
 };
 
 static int __init jmicron_init(void)