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-rw-r--r--drivers/ide/pci/Makefile1
-rw-r--r--drivers/ide/pci/delkin_cb.c63
-rw-r--r--drivers/ide/pci/hpt34x.c193
-rw-r--r--drivers/ide/pci/hpt366.c35
-rw-r--r--drivers/ide/pci/scc_pata.c4
-rw-r--r--drivers/ide/pci/sgiioc4.c49
6 files changed, 83 insertions, 262 deletions
diff --git a/drivers/ide/pci/Makefile b/drivers/ide/pci/Makefile
index 02e6ee7d751d..ab44a1f5f5a9 100644
--- a/drivers/ide/pci/Makefile
+++ b/drivers/ide/pci/Makefile
@@ -11,7 +11,6 @@ obj-$(CONFIG_BLK_DEV_CS5535) += cs5535.o
11obj-$(CONFIG_BLK_DEV_SC1200) += sc1200.o 11obj-$(CONFIG_BLK_DEV_SC1200) += sc1200.o
12obj-$(CONFIG_BLK_DEV_CY82C693) += cy82c693.o 12obj-$(CONFIG_BLK_DEV_CY82C693) += cy82c693.o
13obj-$(CONFIG_BLK_DEV_DELKIN) += delkin_cb.o 13obj-$(CONFIG_BLK_DEV_DELKIN) += delkin_cb.o
14obj-$(CONFIG_BLK_DEV_HPT34X) += hpt34x.o
15obj-$(CONFIG_BLK_DEV_HPT366) += hpt366.o 14obj-$(CONFIG_BLK_DEV_HPT366) += hpt366.o
16obj-$(CONFIG_BLK_DEV_IT8213) += it8213.o 15obj-$(CONFIG_BLK_DEV_IT8213) += it8213.o
17obj-$(CONFIG_BLK_DEV_IT821X) += it821x.o 16obj-$(CONFIG_BLK_DEV_IT821X) += it821x.o
diff --git a/drivers/ide/pci/delkin_cb.c b/drivers/ide/pci/delkin_cb.c
index 8689a706f537..8f1b2d9f0513 100644
--- a/drivers/ide/pci/delkin_cb.c
+++ b/drivers/ide/pci/delkin_cb.c
@@ -46,10 +46,27 @@ static const struct ide_port_ops delkin_cb_port_ops = {
46 .quirkproc = ide_undecoded_slave, 46 .quirkproc = ide_undecoded_slave,
47}; 47};
48 48
49static unsigned int delkin_cb_init_chipset(struct pci_dev *dev)
50{
51 unsigned long base = pci_resource_start(dev, 0);
52 int i;
53
54 outb(0x02, base + 0x1e); /* set nIEN to block interrupts */
55 inb(base + 0x17); /* read status to clear interrupts */
56
57 for (i = 0; i < sizeof(setup); ++i) {
58 if (setup[i])
59 outb(setup[i], base + i);
60 }
61
62 return 0;
63}
64
49static const struct ide_port_info delkin_cb_port_info = { 65static const struct ide_port_info delkin_cb_port_info = {
50 .port_ops = &delkin_cb_port_ops, 66 .port_ops = &delkin_cb_port_ops,
51 .host_flags = IDE_HFLAG_IO_32BIT | IDE_HFLAG_UNMASK_IRQS | 67 .host_flags = IDE_HFLAG_IO_32BIT | IDE_HFLAG_UNMASK_IRQS |
52 IDE_HFLAG_NO_DMA, 68 IDE_HFLAG_NO_DMA,
69 .init_chipset = delkin_cb_init_chipset,
53}; 70};
54 71
55static int __devinit 72static int __devinit
@@ -57,7 +74,7 @@ delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id)
57{ 74{
58 struct ide_host *host; 75 struct ide_host *host;
59 unsigned long base; 76 unsigned long base;
60 int i, rc; 77 int rc;
61 hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; 78 hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
62 79
63 rc = pci_enable_device(dev); 80 rc = pci_enable_device(dev);
@@ -72,12 +89,8 @@ delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id)
72 return rc; 89 return rc;
73 } 90 }
74 base = pci_resource_start(dev, 0); 91 base = pci_resource_start(dev, 0);
75 outb(0x02, base + 0x1e); /* set nIEN to block interrupts */ 92
76 inb(base + 0x17); /* read status to clear interrupts */ 93 delkin_cb_init_chipset(dev);
77 for (i = 0; i < sizeof(setup); ++i) {
78 if (setup[i])
79 outb(setup[i], base + i);
80 }
81 94
82 memset(&hw, 0, sizeof(hw)); 95 memset(&hw, 0, sizeof(hw));
83 ide_std_init_ports(&hw, base + 0x10, base + 0x1e); 96 ide_std_init_ports(&hw, base + 0x10, base + 0x1e);
@@ -110,6 +123,40 @@ delkin_cb_remove (struct pci_dev *dev)
110 pci_disable_device(dev); 123 pci_disable_device(dev);
111} 124}
112 125
126#ifdef CONFIG_PM
127static int delkin_cb_suspend(struct pci_dev *dev, pm_message_t state)
128{
129 pci_save_state(dev);
130 pci_disable_device(dev);
131 pci_set_power_state(dev, pci_choose_state(dev, state));
132
133 return 0;
134}
135
136static int delkin_cb_resume(struct pci_dev *dev)
137{
138 struct ide_host *host = pci_get_drvdata(dev);
139 int rc;
140
141 pci_set_power_state(dev, PCI_D0);
142
143 rc = pci_enable_device(dev);
144 if (rc)
145 return rc;
146
147 pci_restore_state(dev);
148 pci_set_master(dev);
149
150 if (host->init_chipset)
151 host->init_chipset(dev);
152
153 return 0;
154}
155#else
156#define delkin_cb_suspend NULL
157#define delkin_cb_resume NULL
158#endif
159
113static struct pci_device_id delkin_cb_pci_tbl[] __devinitdata = { 160static struct pci_device_id delkin_cb_pci_tbl[] __devinitdata = {
114 { 0x1145, 0xf021, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, 161 { 0x1145, 0xf021, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
115 { 0x1145, 0xf024, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, 162 { 0x1145, 0xf024, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
@@ -122,6 +169,8 @@ static struct pci_driver delkin_cb_pci_driver = {
122 .id_table = delkin_cb_pci_tbl, 169 .id_table = delkin_cb_pci_tbl,
123 .probe = delkin_cb_probe, 170 .probe = delkin_cb_probe,
124 .remove = delkin_cb_remove, 171 .remove = delkin_cb_remove,
172 .suspend = delkin_cb_suspend,
173 .resume = delkin_cb_resume,
125}; 174};
126 175
127static int __init delkin_cb_init(void) 176static int __init delkin_cb_init(void)
diff --git a/drivers/ide/pci/hpt34x.c b/drivers/ide/pci/hpt34x.c
deleted file mode 100644
index fb1a3aa57f07..000000000000
--- a/drivers/ide/pci/hpt34x.c
+++ /dev/null
@@ -1,193 +0,0 @@
1/*
2 * Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org>
3 *
4 * May be copied or modified under the terms of the GNU General Public License
5 *
6 *
7 * 00:12.0 Unknown mass storage controller:
8 * Triones Technologies, Inc.
9 * Unknown device 0003 (rev 01)
10 *
11 * hde: UDMA 2 (0x0000 0x0002) (0x0000 0x0010)
12 * hdf: UDMA 2 (0x0002 0x0012) (0x0010 0x0030)
13 * hde: DMA 2 (0x0000 0x0002) (0x0000 0x0010)
14 * hdf: DMA 2 (0x0002 0x0012) (0x0010 0x0030)
15 * hdg: DMA 1 (0x0012 0x0052) (0x0030 0x0070)
16 * hdh: DMA 1 (0x0052 0x0252) (0x0070 0x00f0)
17 *
18 * ide-pci.c reference
19 *
20 * Since there are two cards that report almost identically,
21 * the only discernable difference is the values reported in pcicmd.
22 * Booting-BIOS card or HPT363 :: pcicmd == 0x07
23 * Non-bootable card or HPT343 :: pcicmd == 0x05
24 */
25
26#include <linux/module.h>
27#include <linux/types.h>
28#include <linux/kernel.h>
29#include <linux/ioport.h>
30#include <linux/interrupt.h>
31#include <linux/pci.h>
32#include <linux/init.h>
33#include <linux/ide.h>
34
35#define DRV_NAME "hpt34x"
36
37#define HPT343_DEBUG_DRIVE_INFO 0
38
39static void hpt34x_set_mode(ide_drive_t *drive, const u8 speed)
40{
41 struct pci_dev *dev = to_pci_dev(drive->hwif->dev);
42 u32 reg1= 0, tmp1 = 0, reg2 = 0, tmp2 = 0;
43 u8 hi_speed, lo_speed;
44
45 hi_speed = speed >> 4;
46 lo_speed = speed & 0x0f;
47
48 if (hi_speed & 7) {
49 hi_speed = (hi_speed & 4) ? 0x01 : 0x10;
50 } else {
51 lo_speed <<= 5;
52 lo_speed >>= 5;
53 }
54
55 pci_read_config_dword(dev, 0x44, &reg1);
56 pci_read_config_dword(dev, 0x48, &reg2);
57 tmp1 = ((lo_speed << (3*drive->dn)) | (reg1 & ~(7 << (3*drive->dn))));
58 tmp2 = ((hi_speed << drive->dn) | (reg2 & ~(0x11 << drive->dn)));
59 pci_write_config_dword(dev, 0x44, tmp1);
60 pci_write_config_dword(dev, 0x48, tmp2);
61
62#if HPT343_DEBUG_DRIVE_INFO
63 printk("%s: %s drive%d (0x%04x 0x%04x) (0x%04x 0x%04x)" \
64 " (0x%02x 0x%02x)\n",
65 drive->name, ide_xfer_verbose(speed),
66 drive->dn, reg1, tmp1, reg2, tmp2,
67 hi_speed, lo_speed);
68#endif /* HPT343_DEBUG_DRIVE_INFO */
69}
70
71static void hpt34x_set_pio_mode(ide_drive_t *drive, const u8 pio)
72{
73 hpt34x_set_mode(drive, XFER_PIO_0 + pio);
74}
75
76/*
77 * If the BIOS does not set the IO base addaress to XX00, 343 will fail.
78 */
79#define HPT34X_PCI_INIT_REG 0x80
80
81static unsigned int init_chipset_hpt34x(struct pci_dev *dev)
82{
83 int i = 0;
84 unsigned long hpt34xIoBase = pci_resource_start(dev, 4);
85 unsigned long hpt_addr[4] = { 0x20, 0x34, 0x28, 0x3c };
86 unsigned long hpt_addr_len[4] = { 7, 3, 7, 3 };
87 u16 cmd;
88 unsigned long flags;
89
90 local_irq_save(flags);
91
92 pci_write_config_byte(dev, HPT34X_PCI_INIT_REG, 0x00);
93 pci_read_config_word(dev, PCI_COMMAND, &cmd);
94
95 if (cmd & PCI_COMMAND_MEMORY)
96 pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xF0);
97 else
98 pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x20);
99
100 /*
101 * Since 20-23 can be assigned and are R/W, we correct them.
102 */
103 pci_write_config_word(dev, PCI_COMMAND, cmd & ~PCI_COMMAND_IO);
104 for(i=0; i<4; i++) {
105 dev->resource[i].start = (hpt34xIoBase + hpt_addr[i]);
106 dev->resource[i].end = dev->resource[i].start + hpt_addr_len[i];
107 dev->resource[i].flags = IORESOURCE_IO;
108 pci_write_config_dword(dev,
109 (PCI_BASE_ADDRESS_0 + (i * 4)),
110 dev->resource[i].start);
111 }
112 pci_write_config_word(dev, PCI_COMMAND, cmd);
113
114 local_irq_restore(flags);
115
116 return dev->irq;
117}
118
119static const struct ide_port_ops hpt34x_port_ops = {
120 .set_pio_mode = hpt34x_set_pio_mode,
121 .set_dma_mode = hpt34x_set_mode,
122};
123
124#define IDE_HFLAGS_HPT34X \
125 (IDE_HFLAG_NO_ATAPI_DMA | \
126 IDE_HFLAG_NO_DSC | \
127 IDE_HFLAG_NO_AUTODMA)
128
129static const struct ide_port_info hpt34x_chipsets[] __devinitdata = {
130 { /* 0: HPT343 */
131 .name = DRV_NAME,
132 .init_chipset = init_chipset_hpt34x,
133 .port_ops = &hpt34x_port_ops,
134 .host_flags = IDE_HFLAGS_HPT34X | IDE_HFLAG_NON_BOOTABLE,
135 .pio_mask = ATA_PIO5,
136 },
137 { /* 1: HPT345 */
138 .name = DRV_NAME,
139 .init_chipset = init_chipset_hpt34x,
140 .port_ops = &hpt34x_port_ops,
141 .host_flags = IDE_HFLAGS_HPT34X | IDE_HFLAG_OFF_BOARD,
142 .pio_mask = ATA_PIO5,
143#ifdef CONFIG_HPT34X_AUTODMA
144 .swdma_mask = ATA_SWDMA2,
145 .mwdma_mask = ATA_MWDMA2,
146 .udma_mask = ATA_UDMA2,
147#endif
148 }
149};
150
151static int __devinit hpt34x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
152{
153 const struct ide_port_info *d;
154 u16 pcicmd = 0;
155
156 pci_read_config_word(dev, PCI_COMMAND, &pcicmd);
157
158 d = &hpt34x_chipsets[(pcicmd & PCI_COMMAND_MEMORY) ? 1 : 0];
159
160 return ide_pci_init_one(dev, d, NULL);
161}
162
163static const struct pci_device_id hpt34x_pci_tbl[] = {
164 { PCI_VDEVICE(TTI, PCI_DEVICE_ID_TTI_HPT343), 0 },
165 { 0, },
166};
167MODULE_DEVICE_TABLE(pci, hpt34x_pci_tbl);
168
169static struct pci_driver hpt34x_pci_driver = {
170 .name = "HPT34x_IDE",
171 .id_table = hpt34x_pci_tbl,
172 .probe = hpt34x_init_one,
173 .remove = ide_pci_remove,
174 .suspend = ide_pci_suspend,
175 .resume = ide_pci_resume,
176};
177
178static int __init hpt34x_ide_init(void)
179{
180 return ide_pci_register_driver(&hpt34x_pci_driver);
181}
182
183static void __exit hpt34x_ide_exit(void)
184{
185 pci_unregister_driver(&hpt34x_pci_driver);
186}
187
188module_init(hpt34x_ide_init);
189module_exit(hpt34x_ide_exit);
190
191MODULE_AUTHOR("Andre Hedrick");
192MODULE_DESCRIPTION("PCI driver module for Highpoint 34x IDE");
193MODULE_LICENSE("GPL");
diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c
index 9cf171cb9376..a7909e9c720e 100644
--- a/drivers/ide/pci/hpt366.c
+++ b/drivers/ide/pci/hpt366.c
@@ -3,7 +3,7 @@
3 * Portions Copyright (C) 2001 Sun Microsystems, Inc. 3 * Portions Copyright (C) 2001 Sun Microsystems, Inc.
4 * Portions Copyright (C) 2003 Red Hat Inc 4 * Portions Copyright (C) 2003 Red Hat Inc
5 * Portions Copyright (C) 2007 Bartlomiej Zolnierkiewicz 5 * Portions Copyright (C) 2007 Bartlomiej Zolnierkiewicz
6 * Portions Copyright (C) 2005-2007 MontaVista Software, Inc. 6 * Portions Copyright (C) 2005-2008 MontaVista Software, Inc.
7 * 7 *
8 * Thanks to HighPoint Technologies for their assistance, and hardware. 8 * Thanks to HighPoint Technologies for their assistance, and hardware.
9 * Special Thanks to Jon Burchmore in SanDiego for the deep pockets, his 9 * Special Thanks to Jon Burchmore in SanDiego for the deep pockets, his
@@ -748,26 +748,24 @@ static void hpt3xx_maskproc(ide_drive_t *drive, int mask)
748 struct pci_dev *dev = to_pci_dev(hwif->dev); 748 struct pci_dev *dev = to_pci_dev(hwif->dev);
749 struct hpt_info *info = hpt3xx_get_info(hwif->dev); 749 struct hpt_info *info = hpt3xx_get_info(hwif->dev);
750 750
751 if (drive->quirk_list) { 751 if (drive->quirk_list == 0)
752 if (info->chip_type >= HPT370) { 752 return;
753 u8 scr1 = 0; 753
754 754 if (info->chip_type >= HPT370) {
755 pci_read_config_byte(dev, 0x5a, &scr1); 755 u8 scr1 = 0;
756 if (((scr1 & 0x10) >> 4) != mask) { 756
757 if (mask) 757 pci_read_config_byte(dev, 0x5a, &scr1);
758 scr1 |= 0x10; 758 if (((scr1 & 0x10) >> 4) != mask) {
759 else
760 scr1 &= ~0x10;
761 pci_write_config_byte(dev, 0x5a, scr1);
762 }
763 } else {
764 if (mask) 759 if (mask)
765 disable_irq(hwif->irq); 760 scr1 |= 0x10;
766 else 761 else
767 enable_irq (hwif->irq); 762 scr1 &= ~0x10;
763 pci_write_config_byte(dev, 0x5a, scr1);
768 } 764 }
769 } else 765 } else if (mask)
770 outb(ATA_DEVCTL_OBS | (mask ? 2 : 0), hwif->io_ports.ctl_addr); 766 disable_irq(hwif->irq);
767 else
768 enable_irq(hwif->irq);
771} 769}
772 770
773/* 771/*
@@ -1289,7 +1287,6 @@ static u8 hpt3xx_cable_detect(ide_hwif_t *hwif)
1289 1287
1290static void __devinit init_hwif_hpt366(ide_hwif_t *hwif) 1288static void __devinit init_hwif_hpt366(ide_hwif_t *hwif)
1291{ 1289{
1292 struct pci_dev *dev = to_pci_dev(hwif->dev);
1293 struct hpt_info *info = hpt3xx_get_info(hwif->dev); 1290 struct hpt_info *info = hpt3xx_get_info(hwif->dev);
1294 int serialize = HPT_SERIALIZE_IO; 1291 int serialize = HPT_SERIALIZE_IO;
1295 u8 chip_type = info->chip_type; 1292 u8 chip_type = info->chip_type;
diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c
index 9ce1d8059921..49f163aa51e3 100644
--- a/drivers/ide/pci/scc_pata.c
+++ b/drivers/ide/pci/scc_pata.c
@@ -617,7 +617,6 @@ static int __devinit init_setup_scc(struct pci_dev *dev,
617 unsigned long intmask_port; 617 unsigned long intmask_port;
618 unsigned long mode_port; 618 unsigned long mode_port;
619 unsigned long ecmode_port; 619 unsigned long ecmode_port;
620 unsigned long dma_status_port;
621 u32 reg = 0; 620 u32 reg = 0;
622 struct scc_ports *ports; 621 struct scc_ports *ports;
623 int rc; 622 int rc;
@@ -637,7 +636,6 @@ static int __devinit init_setup_scc(struct pci_dev *dev,
637 intmask_port = dma_base + 0x010; 636 intmask_port = dma_base + 0x010;
638 mode_port = ctl_base + 0x024; 637 mode_port = ctl_base + 0x024;
639 ecmode_port = ctl_base + 0xf00; 638 ecmode_port = ctl_base + 0xf00;
640 dma_status_port = dma_base + 0x004;
641 639
642 /* controller initialization */ 640 /* controller initialization */
643 reg = 0; 641 reg = 0;
@@ -843,8 +841,6 @@ static u8 scc_cable_detect(ide_hwif_t *hwif)
843 841
844static void __devinit init_hwif_scc(ide_hwif_t *hwif) 842static void __devinit init_hwif_scc(ide_hwif_t *hwif)
845{ 843{
846 struct scc_ports *ports = ide_get_hwifdata(hwif);
847
848 /* PTERADD */ 844 /* PTERADD */
849 out_be32((void __iomem *)(hwif->dma_base + 0x018), hwif->dmatable_dma); 845 out_be32((void __iomem *)(hwif->dma_base + 0x018), hwif->dmatable_dma);
850 846
diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c
index dd634541ce36..8af9b23499fd 100644
--- a/drivers/ide/pci/sgiioc4.c
+++ b/drivers/ide/pci/sgiioc4.c
@@ -101,18 +101,8 @@ sgiioc4_init_hwif_ports(hw_regs_t * hw, unsigned long data_port,
101 for (i = 0; i <= 7; i++) 101 for (i = 0; i <= 7; i++)
102 hw->io_ports_array[i] = reg + i * 4; 102 hw->io_ports_array[i] = reg + i * 4;
103 103
104 if (ctrl_port) 104 hw->io_ports.ctl_addr = ctrl_port;
105 hw->io_ports.ctl_addr = ctrl_port; 105 hw->io_ports.irq_addr = irq_port;
106
107 if (irq_port)
108 hw->io_ports.irq_addr = irq_port;
109}
110
111static void
112sgiioc4_maskproc(ide_drive_t * drive, int mask)
113{
114 writeb(ATA_DEVCTL_OBS | (mask ? 2 : 0),
115 (void __iomem *)drive->hwif->io_ports.ctl_addr);
116} 106}
117 107
118static int 108static int
@@ -310,16 +300,14 @@ static u8 sgiioc4_read_status(ide_hwif_t *hwif)
310 unsigned long port = hwif->io_ports.status_addr; 300 unsigned long port = hwif->io_ports.status_addr;
311 u8 reg = (u8) readb((void __iomem *) port); 301 u8 reg = (u8) readb((void __iomem *) port);
312 302
313 if ((port & 0xFFF) == 0x11C) { /* Status register of IOC4 */ 303 if (!(reg & ATA_BUSY)) { /* Not busy... check for interrupt */
314 if (!(reg & ATA_BUSY)) { /* Not busy... check for interrupt */ 304 unsigned long other_ir = port - 0x110;
315 unsigned long other_ir = port - 0x110; 305 unsigned int intr_reg = (u32) readl((void __iomem *) other_ir);
316 unsigned int intr_reg = (u32) readl((void __iomem *) other_ir);
317 306
318 /* Clear the Interrupt, Error bits on the IOC4 */ 307 /* Clear the Interrupt, Error bits on the IOC4 */
319 if (intr_reg & 0x03) { 308 if (intr_reg & 0x03) {
320 writel(0x03, (void __iomem *) other_ir); 309 writel(0x03, (void __iomem *) other_ir);
321 intr_reg = (u32) readl((void __iomem *) other_ir); 310 intr_reg = (u32) readl((void __iomem *) other_ir);
322 }
323 } 311 }
324 } 312 }
325 313
@@ -332,13 +320,9 @@ ide_dma_sgiioc4(ide_hwif_t *hwif, const struct ide_port_info *d)
332{ 320{
333 struct pci_dev *dev = to_pci_dev(hwif->dev); 321 struct pci_dev *dev = to_pci_dev(hwif->dev);
334 unsigned long dma_base = pci_resource_start(dev, 0) + IOC4_DMA_OFFSET; 322 unsigned long dma_base = pci_resource_start(dev, 0) + IOC4_DMA_OFFSET;
335 void __iomem *virt_dma_base;
336 int num_ports = sizeof (ioc4_dma_regs_t); 323 int num_ports = sizeof (ioc4_dma_regs_t);
337 void *pad; 324 void *pad;
338 325
339 if (dma_base == 0)
340 return -1;
341
342 printk(KERN_INFO " %s: MMIO-DMA\n", hwif->name); 326 printk(KERN_INFO " %s: MMIO-DMA\n", hwif->name);
343 327
344 if (request_mem_region(dma_base, num_ports, hwif->name) == NULL) { 328 if (request_mem_region(dma_base, num_ports, hwif->name) == NULL) {
@@ -348,14 +332,8 @@ ide_dma_sgiioc4(ide_hwif_t *hwif, const struct ide_port_info *d)
348 return -1; 332 return -1;
349 } 333 }
350 334
351 virt_dma_base = ioremap(dma_base, num_ports); 335 hwif->dma_base = (unsigned long)hwif->io_ports.irq_addr +
352 if (virt_dma_base == NULL) { 336 IOC4_DMA_OFFSET;
353 printk(KERN_ERR "%s(%s) -- ERROR: unable to map addresses "
354 "0x%lx to 0x%lx\n", __func__, hwif->name,
355 dma_base, dma_base + num_ports - 1);
356 goto dma_remap_failure;
357 }
358 hwif->dma_base = (unsigned long) virt_dma_base;
359 337
360 hwif->sg_max_nents = IOC4_PRD_ENTRIES; 338 hwif->sg_max_nents = IOC4_PRD_ENTRIES;
361 339
@@ -379,9 +357,6 @@ ide_dma_sgiioc4(ide_hwif_t *hwif, const struct ide_port_info *d)
379 printk(KERN_INFO "%s: changing from DMA to PIO mode", hwif->name); 357 printk(KERN_INFO "%s: changing from DMA to PIO mode", hwif->name);
380 358
381dma_pci_alloc_failure: 359dma_pci_alloc_failure:
382 iounmap(virt_dma_base);
383
384dma_remap_failure:
385 release_mem_region(dma_base, num_ports); 360 release_mem_region(dma_base, num_ports);
386 361
387 return -1; 362 return -1;
@@ -563,8 +538,6 @@ static const struct ide_port_ops sgiioc4_port_ops = {
563 .set_dma_mode = sgiioc4_set_dma_mode, 538 .set_dma_mode = sgiioc4_set_dma_mode,
564 /* reset DMA engine, clear IRQs */ 539 /* reset DMA engine, clear IRQs */
565 .resetproc = sgiioc4_resetproc, 540 .resetproc = sgiioc4_resetproc,
566 /* mask on/off NIEN register */
567 .maskproc = sgiioc4_maskproc,
568}; 541};
569 542
570static const struct ide_dma_ops sgiioc4_dma_ops = { 543static const struct ide_dma_ops sgiioc4_dma_ops = {