2 * sata_sil.c - Silicon Image SATA
4 * Maintained by: Jeff Garzik <jgarzik@pobox.com>
5 * Please ALWAYS copy linux-ide@vger.kernel.org
8 * Copyright 2003-2005 Red Hat, Inc.
9 * Copyright 2003 Benjamin Herrenschmidt
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2, or (at your option)
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; see the file COPYING. If not, write to
24 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
27 * libata documentation is available via 'make {ps|pdf}docs',
28 * as Documentation/DocBook/libata.*
30 * Documentation for SiI 3112:
31 * http://gkernel.sourceforge.net/specs/sii/3112A_SiI-DS-0095-B2.pdf.bz2
33 * Other errata and documentation available under NDA.
37 #include <linux/kernel.h>
38 #include <linux/module.h>
39 #include <linux/pci.h>
40 #include <linux/init.h>
41 #include <linux/blkdev.h>
42 #include <linux/delay.h>
43 #include <linux/interrupt.h>
44 #include <linux/device.h>
45 #include <scsi/scsi_host.h>
46 #include <linux/libata.h>
48 #define DRV_NAME "sata_sil"
49 #define DRV_VERSION "2.3"
57 SIL_FLAG_NO_SATA_IRQ
= (1 << 28),
58 SIL_FLAG_RERR_ON_DMA_ACT
= (1 << 29),
59 SIL_FLAG_MOD15WRITE
= (1 << 30),
61 SIL_DFL_PORT_FLAGS
= ATA_FLAG_SATA
| ATA_FLAG_NO_LEGACY
|
68 sil_3112_no_sata_irq
= 1,
81 SIL_MASK_IDE0_INT
= (1 << 22),
82 SIL_MASK_IDE1_INT
= (1 << 23),
83 SIL_MASK_IDE2_INT
= (1 << 24),
84 SIL_MASK_IDE3_INT
= (1 << 25),
85 SIL_MASK_2PORT
= SIL_MASK_IDE0_INT
| SIL_MASK_IDE1_INT
,
86 SIL_MASK_4PORT
= SIL_MASK_2PORT
|
87 SIL_MASK_IDE2_INT
| SIL_MASK_IDE3_INT
,
90 SIL_INTR_STEERING
= (1 << 1),
92 SIL_DMA_ENABLE
= (1 << 0), /* DMA run switch */
93 SIL_DMA_RDWR
= (1 << 3), /* DMA Rd-Wr */
94 SIL_DMA_SATA_IRQ
= (1 << 4), /* OR of all SATA IRQs */
95 SIL_DMA_ACTIVE
= (1 << 16), /* DMA running */
96 SIL_DMA_ERROR
= (1 << 17), /* PCI bus error */
97 SIL_DMA_COMPLETE
= (1 << 18), /* cmd complete / IRQ pending */
98 SIL_DMA_N_SATA_IRQ
= (1 << 6), /* SATA_IRQ for the next channel */
99 SIL_DMA_N_ACTIVE
= (1 << 24), /* ACTIVE for the next channel */
100 SIL_DMA_N_ERROR
= (1 << 25), /* ERROR for the next channel */
101 SIL_DMA_N_COMPLETE
= (1 << 26), /* COMPLETE for the next channel */
104 SIL_SIEN_N
= (1 << 16), /* triggered by SError.N */
109 SIL_QUIRK_MOD15WRITE
= (1 << 0),
110 SIL_QUIRK_UDMA5MAX
= (1 << 1),
113 static int sil_init_one(struct pci_dev
*pdev
, const struct pci_device_id
*ent
);
115 static int sil_pci_device_resume(struct pci_dev
*pdev
);
117 static void sil_dev_config(struct ata_device
*dev
);
118 static int sil_scr_read(struct ata_port
*ap
, unsigned int sc_reg
, u32
*val
);
119 static int sil_scr_write(struct ata_port
*ap
, unsigned int sc_reg
, u32 val
);
120 static int sil_set_mode(struct ata_link
*link
, struct ata_device
**r_failed
);
121 static void sil_freeze(struct ata_port
*ap
);
122 static void sil_thaw(struct ata_port
*ap
);
125 static const struct pci_device_id sil_pci_tbl
[] = {
126 { PCI_VDEVICE(CMD
, 0x3112), sil_3112
},
127 { PCI_VDEVICE(CMD
, 0x0240), sil_3112
},
128 { PCI_VDEVICE(CMD
, 0x3512), sil_3512
},
129 { PCI_VDEVICE(CMD
, 0x3114), sil_3114
},
130 { PCI_VDEVICE(ATI
, 0x436e), sil_3112
},
131 { PCI_VDEVICE(ATI
, 0x4379), sil_3112_no_sata_irq
},
132 { PCI_VDEVICE(ATI
, 0x437a), sil_3112_no_sata_irq
},
134 { } /* terminate list */
138 /* TODO firmware versions should be added - eric */
139 static const struct sil_drivelist
{
142 } sil_blacklist
[] = {
143 { "ST320012AS", SIL_QUIRK_MOD15WRITE
},
144 { "ST330013AS", SIL_QUIRK_MOD15WRITE
},
145 { "ST340017AS", SIL_QUIRK_MOD15WRITE
},
146 { "ST360015AS", SIL_QUIRK_MOD15WRITE
},
147 { "ST380023AS", SIL_QUIRK_MOD15WRITE
},
148 { "ST3120023AS", SIL_QUIRK_MOD15WRITE
},
149 { "ST340014ASL", SIL_QUIRK_MOD15WRITE
},
150 { "ST360014ASL", SIL_QUIRK_MOD15WRITE
},
151 { "ST380011ASL", SIL_QUIRK_MOD15WRITE
},
152 { "ST3120022ASL", SIL_QUIRK_MOD15WRITE
},
153 { "ST3160021ASL", SIL_QUIRK_MOD15WRITE
},
154 { "Maxtor 4D060H3", SIL_QUIRK_UDMA5MAX
},
158 static struct pci_driver sil_pci_driver
= {
160 .id_table
= sil_pci_tbl
,
161 .probe
= sil_init_one
,
162 .remove
= ata_pci_remove_one
,
164 .suspend
= ata_pci_device_suspend
,
165 .resume
= sil_pci_device_resume
,
169 static struct scsi_host_template sil_sht
= {
170 ATA_BMDMA_SHT(DRV_NAME
),
173 static const struct ata_port_operations sil_ops
= {
174 .dev_config
= sil_dev_config
,
175 .tf_load
= ata_tf_load
,
176 .tf_read
= ata_tf_read
,
177 .check_status
= ata_check_status
,
178 .exec_command
= ata_exec_command
,
179 .dev_select
= ata_std_dev_select
,
180 .set_mode
= sil_set_mode
,
181 .mode_filter
= ata_pci_default_filter
,
182 .bmdma_setup
= ata_bmdma_setup
,
183 .bmdma_start
= ata_bmdma_start
,
184 .bmdma_stop
= ata_bmdma_stop
,
185 .bmdma_status
= ata_bmdma_status
,
186 .qc_prep
= ata_qc_prep
,
187 .qc_issue
= ata_qc_issue_prot
,
188 .data_xfer
= ata_data_xfer
,
189 .freeze
= sil_freeze
,
191 .error_handler
= ata_bmdma_error_handler
,
192 .post_internal_cmd
= ata_bmdma_post_internal_cmd
,
193 .irq_clear
= ata_bmdma_irq_clear
,
194 .irq_on
= ata_irq_on
,
195 .scr_read
= sil_scr_read
,
196 .scr_write
= sil_scr_write
,
197 .port_start
= ata_sff_port_start
,
200 static const struct ata_port_info sil_port_info
[] = {
203 .flags
= SIL_DFL_PORT_FLAGS
| SIL_FLAG_MOD15WRITE
,
204 .pio_mask
= 0x1f, /* pio0-4 */
205 .mwdma_mask
= 0x07, /* mwdma0-2 */
206 .udma_mask
= ATA_UDMA5
,
207 .port_ops
= &sil_ops
,
209 /* sil_3112_no_sata_irq */
211 .flags
= SIL_DFL_PORT_FLAGS
| SIL_FLAG_MOD15WRITE
|
212 SIL_FLAG_NO_SATA_IRQ
,
213 .pio_mask
= 0x1f, /* pio0-4 */
214 .mwdma_mask
= 0x07, /* mwdma0-2 */
215 .udma_mask
= ATA_UDMA5
,
216 .port_ops
= &sil_ops
,
220 .flags
= SIL_DFL_PORT_FLAGS
| SIL_FLAG_RERR_ON_DMA_ACT
,
221 .pio_mask
= 0x1f, /* pio0-4 */
222 .mwdma_mask
= 0x07, /* mwdma0-2 */
223 .udma_mask
= ATA_UDMA5
,
224 .port_ops
= &sil_ops
,
228 .flags
= SIL_DFL_PORT_FLAGS
| SIL_FLAG_RERR_ON_DMA_ACT
,
229 .pio_mask
= 0x1f, /* pio0-4 */
230 .mwdma_mask
= 0x07, /* mwdma0-2 */
231 .udma_mask
= ATA_UDMA5
,
232 .port_ops
= &sil_ops
,
236 /* per-port register offsets */
237 /* TODO: we can probably calculate rather than use a table */
238 static const struct {
239 unsigned long tf
; /* ATA taskfile register block */
240 unsigned long ctl
; /* ATA control/altstatus register block */
241 unsigned long bmdma
; /* DMA register block */
242 unsigned long bmdma2
; /* DMA register block #2 */
243 unsigned long fifo_cfg
; /* FIFO Valid Byte Count and Control */
244 unsigned long scr
; /* SATA control register block */
245 unsigned long sien
; /* SATA Interrupt Enable register */
246 unsigned long xfer_mode
;/* data transfer mode register */
247 unsigned long sfis_cfg
; /* SATA FIS reception config register */
250 /* tf ctl bmdma bmdma2 fifo scr sien mode sfis */
251 { 0x80, 0x8A, 0x0, 0x10, 0x40, 0x100, 0x148, 0xb4, 0x14c },
252 { 0xC0, 0xCA, 0x8, 0x18, 0x44, 0x180, 0x1c8, 0xf4, 0x1cc },
253 { 0x280, 0x28A, 0x200, 0x210, 0x240, 0x300, 0x348, 0x2b4, 0x34c },
254 { 0x2C0, 0x2CA, 0x208, 0x218, 0x244, 0x380, 0x3c8, 0x2f4, 0x3cc },
258 MODULE_AUTHOR("Jeff Garzik");
259 MODULE_DESCRIPTION("low-level driver for Silicon Image SATA controller");
260 MODULE_LICENSE("GPL");
261 MODULE_DEVICE_TABLE(pci
, sil_pci_tbl
);
262 MODULE_VERSION(DRV_VERSION
);
264 static int slow_down
;
265 module_param(slow_down
, int, 0444);
266 MODULE_PARM_DESC(slow_down
, "Sledgehammer used to work around random problems, by limiting commands to 15 sectors (0=off, 1=on)");
269 static unsigned char sil_get_device_cache_line(struct pci_dev
*pdev
)
272 pci_read_config_byte(pdev
, PCI_CACHE_LINE_SIZE
, &cache_line
);
277 * sil_set_mode - wrap set_mode functions
278 * @link: link to set up
279 * @r_failed: returned device when we fail
281 * Wrap the libata method for device setup as after the setup we need
282 * to inspect the results and do some configuration work
285 static int sil_set_mode(struct ata_link
*link
, struct ata_device
**r_failed
)
287 struct ata_port
*ap
= link
->ap
;
288 void __iomem
*mmio_base
= ap
->host
->iomap
[SIL_MMIO_BAR
];
289 void __iomem
*addr
= mmio_base
+ sil_port
[ap
->port_no
].xfer_mode
;
290 struct ata_device
*dev
;
291 u32 tmp
, dev_mode
[2] = { };
294 rc
= ata_do_set_mode(link
, r_failed
);
298 ata_link_for_each_dev(dev
, link
) {
299 if (!ata_dev_enabled(dev
))
300 dev_mode
[dev
->devno
] = 0; /* PIO0/1/2 */
301 else if (dev
->flags
& ATA_DFLAG_PIO
)
302 dev_mode
[dev
->devno
] = 1; /* PIO3/4 */
304 dev_mode
[dev
->devno
] = 3; /* UDMA */
305 /* value 2 indicates MDMA */
309 tmp
&= ~((1<<5) | (1<<4) | (1<<1) | (1<<0));
311 tmp
|= (dev_mode
[1] << 4);
313 readl(addr
); /* flush */
317 static inline void __iomem
*sil_scr_addr(struct ata_port
*ap
,
320 void __iomem
*offset
= ap
->ioaddr
.scr_addr
;
337 static int sil_scr_read(struct ata_port
*ap
, unsigned int sc_reg
, u32
*val
)
339 void __iomem
*mmio
= sil_scr_addr(ap
, sc_reg
);
348 static int sil_scr_write(struct ata_port
*ap
, unsigned int sc_reg
, u32 val
)
350 void __iomem
*mmio
= sil_scr_addr(ap
, sc_reg
);
359 static void sil_host_intr(struct ata_port
*ap
, u32 bmdma2
)
361 struct ata_eh_info
*ehi
= &ap
->link
.eh_info
;
362 struct ata_queued_cmd
*qc
= ata_qc_from_tag(ap
, ap
->link
.active_tag
);
365 if (unlikely(bmdma2
& SIL_DMA_SATA_IRQ
)) {
368 /* SIEN doesn't mask SATA IRQs on some 3112s. Those
369 * controllers continue to assert IRQ as long as
370 * SError bits are pending. Clear SError immediately.
372 sil_scr_read(ap
, SCR_ERROR
, &serror
);
373 sil_scr_write(ap
, SCR_ERROR
, serror
);
375 /* Sometimes spurious interrupts occur, double check
378 if (serror
& SERR_PHYRDY_CHG
) {
379 ap
->link
.eh_info
.serror
|= serror
;
383 if (!(bmdma2
& SIL_DMA_COMPLETE
))
387 if (unlikely(!qc
|| (qc
->tf
.flags
& ATA_TFLAG_POLLING
))) {
388 /* this sometimes happens, just clear IRQ */
393 /* Check whether we are expecting interrupt in this state */
394 switch (ap
->hsm_task_state
) {
396 /* Some pre-ATAPI-4 devices assert INTRQ
397 * at this state when ready to receive CDB.
400 /* Check the ATA_DFLAG_CDB_INTR flag is enough here.
401 * The flag was turned on only for atapi devices. No
402 * need to check ata_is_atapi(qc->tf.protocol) again.
404 if (!(qc
->dev
->flags
& ATA_DFLAG_CDB_INTR
))
408 if (ata_is_dma(qc
->tf
.protocol
)) {
409 /* clear DMA-Start bit */
410 ap
->ops
->bmdma_stop(qc
);
412 if (bmdma2
& SIL_DMA_ERROR
) {
413 qc
->err_mask
|= AC_ERR_HOST_BUS
;
414 ap
->hsm_task_state
= HSM_ST_ERR
;
424 /* check main status, clearing INTRQ */
425 status
= ata_chk_status(ap
);
426 if (unlikely(status
& ATA_BUSY
))
429 /* ack bmdma irq events */
430 ata_bmdma_irq_clear(ap
);
432 /* kick HSM in the ass */
433 ata_hsm_move(ap
, qc
, status
, 0);
435 if (unlikely(qc
->err_mask
) && ata_is_dma(qc
->tf
.protocol
))
436 ata_ehi_push_desc(ehi
, "BMDMA2 stat 0x%x", bmdma2
);
441 qc
->err_mask
|= AC_ERR_HSM
;
446 static irqreturn_t
sil_interrupt(int irq
, void *dev_instance
)
448 struct ata_host
*host
= dev_instance
;
449 void __iomem
*mmio_base
= host
->iomap
[SIL_MMIO_BAR
];
453 spin_lock(&host
->lock
);
455 for (i
= 0; i
< host
->n_ports
; i
++) {
456 struct ata_port
*ap
= host
->ports
[i
];
457 u32 bmdma2
= readl(mmio_base
+ sil_port
[ap
->port_no
].bmdma2
);
459 if (unlikely(!ap
|| ap
->flags
& ATA_FLAG_DISABLED
))
462 /* turn off SATA_IRQ if not supported */
463 if (ap
->flags
& SIL_FLAG_NO_SATA_IRQ
)
464 bmdma2
&= ~SIL_DMA_SATA_IRQ
;
466 if (bmdma2
== 0xffffffff ||
467 !(bmdma2
& (SIL_DMA_COMPLETE
| SIL_DMA_SATA_IRQ
)))
470 sil_host_intr(ap
, bmdma2
);
474 spin_unlock(&host
->lock
);
476 return IRQ_RETVAL(handled
);
479 static void sil_freeze(struct ata_port
*ap
)
481 void __iomem
*mmio_base
= ap
->host
->iomap
[SIL_MMIO_BAR
];
484 /* global IRQ mask doesn't block SATA IRQ, turn off explicitly */
485 writel(0, mmio_base
+ sil_port
[ap
->port_no
].sien
);
488 tmp
= readl(mmio_base
+ SIL_SYSCFG
);
489 tmp
|= SIL_MASK_IDE0_INT
<< ap
->port_no
;
490 writel(tmp
, mmio_base
+ SIL_SYSCFG
);
491 readl(mmio_base
+ SIL_SYSCFG
); /* flush */
494 static void sil_thaw(struct ata_port
*ap
)
496 void __iomem
*mmio_base
= ap
->host
->iomap
[SIL_MMIO_BAR
];
501 ata_bmdma_irq_clear(ap
);
503 /* turn on SATA IRQ if supported */
504 if (!(ap
->flags
& SIL_FLAG_NO_SATA_IRQ
))
505 writel(SIL_SIEN_N
, mmio_base
+ sil_port
[ap
->port_no
].sien
);
508 tmp
= readl(mmio_base
+ SIL_SYSCFG
);
509 tmp
&= ~(SIL_MASK_IDE0_INT
<< ap
->port_no
);
510 writel(tmp
, mmio_base
+ SIL_SYSCFG
);
514 * sil_dev_config - Apply device/host-specific errata fixups
515 * @dev: Device to be examined
517 * After the IDENTIFY [PACKET] DEVICE step is complete, and a
518 * device is known to be present, this function is called.
519 * We apply two errata fixups which are specific to Silicon Image,
520 * a Seagate and a Maxtor fixup.
522 * For certain Seagate devices, we must limit the maximum sectors
525 * For certain Maxtor devices, we must not program the drive
528 * Both fixups are unfairly pessimistic. As soon as I get more
529 * information on these errata, I will create a more exhaustive
530 * list, and apply the fixups to only the specific
531 * devices/hosts/firmwares that need it.
533 * 20040111 - Seagate drives affected by the Mod15Write bug are blacklisted
534 * The Maxtor quirk is in the blacklist, but I'm keeping the original
535 * pessimistic fix for the following reasons...
536 * - There seems to be less info on it, only one device gleaned off the
537 * Windows driver, maybe only one is affected. More info would be greatly
539 * - But then again UDMA5 is hardly anything to complain about
541 static void sil_dev_config(struct ata_device
*dev
)
543 struct ata_port
*ap
= dev
->link
->ap
;
544 int print_info
= ap
->link
.eh_context
.i
.flags
& ATA_EHI_PRINTINFO
;
545 unsigned int n
, quirks
= 0;
546 unsigned char model_num
[ATA_ID_PROD_LEN
+ 1];
548 ata_id_c_string(dev
->id
, model_num
, ATA_ID_PROD
, sizeof(model_num
));
550 for (n
= 0; sil_blacklist
[n
].product
; n
++)
551 if (!strcmp(sil_blacklist
[n
].product
, model_num
)) {
552 quirks
= sil_blacklist
[n
].quirk
;
556 /* limit requests to 15 sectors */
558 ((ap
->flags
& SIL_FLAG_MOD15WRITE
) &&
559 (quirks
& SIL_QUIRK_MOD15WRITE
))) {
561 ata_dev_printk(dev
, KERN_INFO
, "applying Seagate "
562 "errata fix (mod15write workaround)\n");
563 dev
->max_sectors
= 15;
568 if (quirks
& SIL_QUIRK_UDMA5MAX
) {
570 ata_dev_printk(dev
, KERN_INFO
, "applying Maxtor "
571 "errata fix %s\n", model_num
);
572 dev
->udma_mask
&= ATA_UDMA5
;
577 static void sil_init_controller(struct ata_host
*host
)
579 struct pci_dev
*pdev
= to_pci_dev(host
->dev
);
580 void __iomem
*mmio_base
= host
->iomap
[SIL_MMIO_BAR
];
585 /* Initialize FIFO PCI bus arbitration */
586 cls
= sil_get_device_cache_line(pdev
);
589 cls
++; /* cls = (line_size/8)+1 */
590 for (i
= 0; i
< host
->n_ports
; i
++)
591 writew(cls
<< 8 | cls
,
592 mmio_base
+ sil_port
[i
].fifo_cfg
);
594 dev_printk(KERN_WARNING
, &pdev
->dev
,
595 "cache line size not set. Driver may not function\n");
597 /* Apply R_ERR on DMA activate FIS errata workaround */
598 if (host
->ports
[0]->flags
& SIL_FLAG_RERR_ON_DMA_ACT
) {
601 for (i
= 0, cnt
= 0; i
< host
->n_ports
; i
++) {
602 tmp
= readl(mmio_base
+ sil_port
[i
].sfis_cfg
);
603 if ((tmp
& 0x3) != 0x01)
606 dev_printk(KERN_INFO
, &pdev
->dev
,
607 "Applying R_ERR on DMA activate "
609 writel(tmp
& ~0x3, mmio_base
+ sil_port
[i
].sfis_cfg
);
614 if (host
->n_ports
== 4) {
615 /* flip the magic "make 4 ports work" bit */
616 tmp
= readl(mmio_base
+ sil_port
[2].bmdma
);
617 if ((tmp
& SIL_INTR_STEERING
) == 0)
618 writel(tmp
| SIL_INTR_STEERING
,
619 mmio_base
+ sil_port
[2].bmdma
);
623 static int sil_init_one(struct pci_dev
*pdev
, const struct pci_device_id
*ent
)
625 static int printed_version
;
626 int board_id
= ent
->driver_data
;
627 const struct ata_port_info
*ppi
[] = { &sil_port_info
[board_id
], NULL
};
628 struct ata_host
*host
;
629 void __iomem
*mmio_base
;
633 if (!printed_version
++)
634 dev_printk(KERN_DEBUG
, &pdev
->dev
, "version " DRV_VERSION
"\n");
638 if (board_id
== sil_3114
)
641 host
= ata_host_alloc_pinfo(&pdev
->dev
, ppi
, n_ports
);
645 /* acquire resources and fill host */
646 rc
= pcim_enable_device(pdev
);
650 rc
= pcim_iomap_regions(pdev
, 1 << SIL_MMIO_BAR
, DRV_NAME
);
652 pcim_pin_device(pdev
);
655 host
->iomap
= pcim_iomap_table(pdev
);
657 rc
= pci_set_dma_mask(pdev
, ATA_DMA_MASK
);
660 rc
= pci_set_consistent_dma_mask(pdev
, ATA_DMA_MASK
);
664 mmio_base
= host
->iomap
[SIL_MMIO_BAR
];
666 for (i
= 0; i
< host
->n_ports
; i
++) {
667 struct ata_port
*ap
= host
->ports
[i
];
668 struct ata_ioports
*ioaddr
= &ap
->ioaddr
;
670 ioaddr
->cmd_addr
= mmio_base
+ sil_port
[i
].tf
;
671 ioaddr
->altstatus_addr
=
672 ioaddr
->ctl_addr
= mmio_base
+ sil_port
[i
].ctl
;
673 ioaddr
->bmdma_addr
= mmio_base
+ sil_port
[i
].bmdma
;
674 ioaddr
->scr_addr
= mmio_base
+ sil_port
[i
].scr
;
675 ata_std_ports(ioaddr
);
677 ata_port_pbar_desc(ap
, SIL_MMIO_BAR
, -1, "mmio");
678 ata_port_pbar_desc(ap
, SIL_MMIO_BAR
, sil_port
[i
].tf
, "tf");
681 /* initialize and activate */
682 sil_init_controller(host
);
684 pci_set_master(pdev
);
685 return ata_host_activate(host
, pdev
->irq
, sil_interrupt
, IRQF_SHARED
,
690 static int sil_pci_device_resume(struct pci_dev
*pdev
)
692 struct ata_host
*host
= dev_get_drvdata(&pdev
->dev
);
695 rc
= ata_pci_device_do_resume(pdev
);
699 sil_init_controller(host
);
700 ata_host_resume(host
);
706 static int __init
sil_init(void)
708 return pci_register_driver(&sil_pci_driver
);
711 static void __exit
sil_exit(void)
713 pci_unregister_driver(&sil_pci_driver
);
717 module_init(sil_init
);
718 module_exit(sil_exit
);