Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Adaptec AAC series RAID controller driver |
| 3 | * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com> |
| 4 | * |
| 5 | * based on the old aacraid driver that is.. |
| 6 | * Adaptec aacraid device driver for Linux. |
| 7 | * |
| 8 | * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com) |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License as published by |
| 12 | * the Free Software Foundation; either version 2, or (at your option) |
| 13 | * any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; see the file COPYING. If not, write to |
| 22 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
| 23 | * |
| 24 | * Module Name: |
| 25 | * rkt.c |
| 26 | * |
| 27 | * Abstract: Hardware miniport for Drawbridge specific hardware functions. |
| 28 | * |
| 29 | */ |
| 30 | |
| 31 | #include <linux/kernel.h> |
| 32 | #include <linux/init.h> |
| 33 | #include <linux/types.h> |
| 34 | #include <linux/sched.h> |
| 35 | #include <linux/pci.h> |
| 36 | #include <linux/spinlock.h> |
| 37 | #include <linux/slab.h> |
| 38 | #include <linux/blkdev.h> |
| 39 | #include <linux/delay.h> |
| 40 | #include <linux/completion.h> |
| 41 | #include <linux/time.h> |
| 42 | #include <linux/interrupt.h> |
| 43 | #include <asm/semaphore.h> |
| 44 | |
| 45 | #include <scsi/scsi_host.h> |
| 46 | |
| 47 | #include "aacraid.h" |
| 48 | |
| 49 | static irqreturn_t aac_rkt_intr(int irq, void *dev_id, struct pt_regs *regs) |
| 50 | { |
| 51 | struct aac_dev *dev = dev_id; |
| 52 | unsigned long bellbits; |
| 53 | u8 intstat, mask; |
| 54 | intstat = rkt_readb(dev, MUnit.OISR); |
| 55 | /* |
| 56 | * Read mask and invert because drawbridge is reversed. |
| 57 | * This allows us to only service interrupts that have |
| 58 | * been enabled. |
| 59 | */ |
| 60 | mask = ~(dev->OIMR); |
| 61 | /* Check to see if this is our interrupt. If it isn't just return */ |
| 62 | if (intstat & mask) |
| 63 | { |
| 64 | bellbits = rkt_readl(dev, OutboundDoorbellReg); |
| 65 | if (bellbits & DoorBellPrintfReady) { |
| 66 | aac_printf(dev, rkt_readl(dev, IndexRegs.Mailbox[5])); |
| 67 | rkt_writel(dev, MUnit.ODR,DoorBellPrintfReady); |
| 68 | rkt_writel(dev, InboundDoorbellReg,DoorBellPrintfDone); |
| 69 | } |
| 70 | else if (bellbits & DoorBellAdapterNormCmdReady) { |
| 71 | rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdReady); |
| 72 | aac_command_normal(&dev->queues->queue[HostNormCmdQueue]); |
| 73 | } |
| 74 | else if (bellbits & DoorBellAdapterNormRespReady) { |
| 75 | aac_response_normal(&dev->queues->queue[HostNormRespQueue]); |
| 76 | rkt_writel(dev, MUnit.ODR,DoorBellAdapterNormRespReady); |
| 77 | } |
| 78 | else if (bellbits & DoorBellAdapterNormCmdNotFull) { |
| 79 | rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull); |
| 80 | } |
| 81 | else if (bellbits & DoorBellAdapterNormRespNotFull) { |
| 82 | rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull); |
| 83 | rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormRespNotFull); |
| 84 | } |
| 85 | return IRQ_HANDLED; |
| 86 | } |
| 87 | return IRQ_NONE; |
| 88 | } |
| 89 | |
| 90 | /** |
Mark Haverkamp | bd1aac8 | 2005-08-03 15:39:01 -0700 | [diff] [blame^] | 91 | * aac_rkt_disable_interrupt - Disable interrupts |
| 92 | * @dev: Adapter |
| 93 | */ |
| 94 | |
| 95 | static void aac_rkt_disable_interrupt(struct aac_dev *dev) |
| 96 | { |
| 97 | rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xff); |
| 98 | } |
| 99 | |
| 100 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 101 | * rkt_sync_cmd - send a command and wait |
| 102 | * @dev: Adapter |
| 103 | * @command: Command to execute |
| 104 | * @p1: first parameter |
| 105 | * @ret: adapter status |
| 106 | * |
| 107 | * This routine will send a synchronous command to the adapter and wait |
| 108 | * for its completion. |
| 109 | */ |
| 110 | |
Mark Haverkamp | 7c00ffa | 2005-05-16 18:28:42 -0700 | [diff] [blame] | 111 | static int rkt_sync_cmd(struct aac_dev *dev, u32 command, |
| 112 | u32 p1, u32 p2, u32 p3, u32 p4, u32 p5, u32 p6, |
| 113 | u32 *status, u32 *r1, u32 *r2, u32 *r3, u32 *r4) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 114 | { |
| 115 | unsigned long start; |
| 116 | int ok; |
| 117 | /* |
| 118 | * Write the command into Mailbox 0 |
| 119 | */ |
| 120 | rkt_writel(dev, InboundMailbox0, command); |
| 121 | /* |
Mark Haverkamp | 7c00ffa | 2005-05-16 18:28:42 -0700 | [diff] [blame] | 122 | * Write the parameters into Mailboxes 1 - 6 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 | */ |
| 124 | rkt_writel(dev, InboundMailbox1, p1); |
Mark Haverkamp | 7c00ffa | 2005-05-16 18:28:42 -0700 | [diff] [blame] | 125 | rkt_writel(dev, InboundMailbox2, p2); |
| 126 | rkt_writel(dev, InboundMailbox3, p3); |
| 127 | rkt_writel(dev, InboundMailbox4, p4); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | /* |
| 129 | * Clear the synch command doorbell to start on a clean slate. |
| 130 | */ |
| 131 | rkt_writel(dev, OutboundDoorbellReg, OUTBOUNDDOORBELL_0); |
| 132 | /* |
| 133 | * Disable doorbell interrupts |
| 134 | */ |
| 135 | rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xff); |
| 136 | /* |
| 137 | * Force the completion of the mask register write before issuing |
| 138 | * the interrupt. |
| 139 | */ |
| 140 | rkt_readb (dev, MUnit.OIMR); |
| 141 | /* |
| 142 | * Signal that there is a new synch command |
| 143 | */ |
| 144 | rkt_writel(dev, InboundDoorbellReg, INBOUNDDOORBELL_0); |
| 145 | |
| 146 | ok = 0; |
| 147 | start = jiffies; |
| 148 | |
| 149 | /* |
| 150 | * Wait up to 30 seconds |
| 151 | */ |
| 152 | while (time_before(jiffies, start+30*HZ)) |
| 153 | { |
| 154 | udelay(5); /* Delay 5 microseconds to let Mon960 get info. */ |
| 155 | /* |
| 156 | * Mon960 will set doorbell0 bit when it has completed the command. |
| 157 | */ |
| 158 | if (rkt_readl(dev, OutboundDoorbellReg) & OUTBOUNDDOORBELL_0) { |
| 159 | /* |
| 160 | * Clear the doorbell. |
| 161 | */ |
| 162 | rkt_writel(dev, OutboundDoorbellReg, OUTBOUNDDOORBELL_0); |
| 163 | ok = 1; |
| 164 | break; |
| 165 | } |
| 166 | /* |
| 167 | * Yield the processor in case we are slow |
| 168 | */ |
| 169 | set_current_state(TASK_UNINTERRUPTIBLE); |
| 170 | schedule_timeout(1); |
| 171 | } |
| 172 | if (ok != 1) { |
| 173 | /* |
| 174 | * Restore interrupt mask even though we timed out |
| 175 | */ |
| 176 | rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb); |
| 177 | return -ETIMEDOUT; |
| 178 | } |
| 179 | /* |
| 180 | * Pull the synch status from Mailbox 0. |
| 181 | */ |
| 182 | if (status) |
| 183 | *status = rkt_readl(dev, IndexRegs.Mailbox[0]); |
Mark Haverkamp | 7c00ffa | 2005-05-16 18:28:42 -0700 | [diff] [blame] | 184 | if (r1) |
| 185 | *r1 = rkt_readl(dev, IndexRegs.Mailbox[1]); |
| 186 | if (r2) |
| 187 | *r2 = rkt_readl(dev, IndexRegs.Mailbox[2]); |
| 188 | if (r3) |
| 189 | *r3 = rkt_readl(dev, IndexRegs.Mailbox[3]); |
| 190 | if (r4) |
| 191 | *r4 = rkt_readl(dev, IndexRegs.Mailbox[4]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 192 | /* |
| 193 | * Clear the synch command doorbell. |
| 194 | */ |
| 195 | rkt_writel(dev, OutboundDoorbellReg, OUTBOUNDDOORBELL_0); |
| 196 | /* |
| 197 | * Restore interrupt mask |
| 198 | */ |
| 199 | rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb); |
| 200 | return 0; |
| 201 | |
| 202 | } |
| 203 | |
| 204 | /** |
| 205 | * aac_rkt_interrupt_adapter - interrupt adapter |
| 206 | * @dev: Adapter |
| 207 | * |
| 208 | * Send an interrupt to the i960 and breakpoint it. |
| 209 | */ |
| 210 | |
| 211 | static void aac_rkt_interrupt_adapter(struct aac_dev *dev) |
| 212 | { |
Mark Haverkamp | 7c00ffa | 2005-05-16 18:28:42 -0700 | [diff] [blame] | 213 | rkt_sync_cmd(dev, BREAKPOINT_REQUEST, 0, 0, 0, 0, 0, 0, |
| 214 | NULL, NULL, NULL, NULL, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 215 | } |
| 216 | |
| 217 | /** |
| 218 | * aac_rkt_notify_adapter - send an event to the adapter |
| 219 | * @dev: Adapter |
| 220 | * @event: Event to send |
| 221 | * |
| 222 | * Notify the i960 that something it probably cares about has |
| 223 | * happened. |
| 224 | */ |
| 225 | |
| 226 | static void aac_rkt_notify_adapter(struct aac_dev *dev, u32 event) |
| 227 | { |
| 228 | switch (event) { |
| 229 | |
| 230 | case AdapNormCmdQue: |
| 231 | rkt_writel(dev, MUnit.IDR,INBOUNDDOORBELL_1); |
| 232 | break; |
| 233 | case HostNormRespNotFull: |
| 234 | rkt_writel(dev, MUnit.IDR,INBOUNDDOORBELL_4); |
| 235 | break; |
| 236 | case AdapNormRespQue: |
| 237 | rkt_writel(dev, MUnit.IDR,INBOUNDDOORBELL_2); |
| 238 | break; |
| 239 | case HostNormCmdNotFull: |
| 240 | rkt_writel(dev, MUnit.IDR,INBOUNDDOORBELL_3); |
| 241 | break; |
| 242 | case HostShutdown: |
Mark Haverkamp | 7c00ffa | 2005-05-16 18:28:42 -0700 | [diff] [blame] | 243 | // rkt_sync_cmd(dev, HOST_CRASHING, 0, 0, 0, 0, 0, 0, |
| 244 | // NULL, NULL, NULL, NULL, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 245 | break; |
| 246 | case FastIo: |
| 247 | rkt_writel(dev, MUnit.IDR,INBOUNDDOORBELL_6); |
| 248 | break; |
| 249 | case AdapPrintfDone: |
| 250 | rkt_writel(dev, MUnit.IDR,INBOUNDDOORBELL_5); |
| 251 | break; |
| 252 | default: |
| 253 | BUG(); |
| 254 | break; |
| 255 | } |
| 256 | } |
| 257 | |
| 258 | /** |
| 259 | * aac_rkt_start_adapter - activate adapter |
| 260 | * @dev: Adapter |
| 261 | * |
| 262 | * Start up processing on an i960 based AAC adapter |
| 263 | */ |
| 264 | |
| 265 | static void aac_rkt_start_adapter(struct aac_dev *dev) |
| 266 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 267 | struct aac_init *init; |
| 268 | |
| 269 | init = dev->init; |
| 270 | init->HostElapsedSeconds = cpu_to_le32(get_seconds()); |
| 271 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 272 | * First clear out all interrupts. Then enable the one's that we |
| 273 | * can handle. |
| 274 | */ |
| 275 | rkt_writeb(dev, MUnit.OIMR, 0xff); |
| 276 | rkt_writel(dev, MUnit.ODR, 0xffffffff); |
| 277 | // rkt_writeb(dev, MUnit.OIMR, ~(u8)OUTBOUND_DOORBELL_INTERRUPT_MASK); |
| 278 | rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb); |
| 279 | |
| 280 | // We can only use a 32 bit address here |
Mark Haverkamp | 7c00ffa | 2005-05-16 18:28:42 -0700 | [diff] [blame] | 281 | rkt_sync_cmd(dev, INIT_STRUCT_BASE_ADDRESS, (u32)(ulong)dev->init_pa, |
| 282 | 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 283 | } |
| 284 | |
| 285 | /** |
| 286 | * aac_rkt_check_health |
| 287 | * @dev: device to check if healthy |
| 288 | * |
| 289 | * Will attempt to determine if the specified adapter is alive and |
| 290 | * capable of handling requests, returning 0 if alive. |
| 291 | */ |
| 292 | static int aac_rkt_check_health(struct aac_dev *dev) |
| 293 | { |
| 294 | u32 status = rkt_readl(dev, MUnit.OMRx[0]); |
| 295 | |
| 296 | /* |
| 297 | * Check to see if the board failed any self tests. |
| 298 | */ |
| 299 | if (status & SELF_TEST_FAILED) |
| 300 | return -1; |
| 301 | /* |
| 302 | * Check to see if the board panic'd. |
| 303 | */ |
| 304 | if (status & KERNEL_PANIC) { |
| 305 | char * buffer; |
| 306 | struct POSTSTATUS { |
Mark Haverkamp | 56b5871 | 2005-04-27 06:05:51 -0700 | [diff] [blame] | 307 | __le32 Post_Command; |
| 308 | __le32 Post_Address; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 309 | } * post; |
| 310 | dma_addr_t paddr, baddr; |
| 311 | int ret; |
| 312 | |
| 313 | if ((status & 0xFF000000L) == 0xBC000000L) |
| 314 | return (status >> 16) & 0xFF; |
| 315 | buffer = pci_alloc_consistent(dev->pdev, 512, &baddr); |
| 316 | ret = -2; |
| 317 | if (buffer == NULL) |
| 318 | return ret; |
| 319 | post = pci_alloc_consistent(dev->pdev, |
| 320 | sizeof(struct POSTSTATUS), &paddr); |
| 321 | if (post == NULL) { |
| 322 | pci_free_consistent(dev->pdev, 512, buffer, baddr); |
| 323 | return ret; |
| 324 | } |
| 325 | memset(buffer, 0, 512); |
| 326 | post->Post_Command = cpu_to_le32(COMMAND_POST_RESULTS); |
| 327 | post->Post_Address = cpu_to_le32(baddr); |
| 328 | rkt_writel(dev, MUnit.IMRx[0], paddr); |
Mark Haverkamp | 7c00ffa | 2005-05-16 18:28:42 -0700 | [diff] [blame] | 329 | rkt_sync_cmd(dev, COMMAND_POST_RESULTS, baddr, 0, 0, 0, 0, 0, |
| 330 | NULL, NULL, NULL, NULL, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 331 | pci_free_consistent(dev->pdev, sizeof(struct POSTSTATUS), |
| 332 | post, paddr); |
| 333 | if ((buffer[0] == '0') && (buffer[1] == 'x')) { |
| 334 | ret = (buffer[2] <= '9') ? (buffer[2] - '0') : (buffer[2] - 'A' + 10); |
| 335 | ret <<= 4; |
| 336 | ret += (buffer[3] <= '9') ? (buffer[3] - '0') : (buffer[3] - 'A' + 10); |
| 337 | } |
| 338 | pci_free_consistent(dev->pdev, 512, buffer, baddr); |
| 339 | return ret; |
| 340 | } |
| 341 | /* |
| 342 | * Wait for the adapter to be up and running. |
| 343 | */ |
| 344 | if (!(status & KERNEL_UP_AND_RUNNING)) |
| 345 | return -3; |
| 346 | /* |
| 347 | * Everything is OK |
| 348 | */ |
| 349 | return 0; |
| 350 | } |
| 351 | |
| 352 | /** |
| 353 | * aac_rkt_init - initialize an i960 based AAC card |
| 354 | * @dev: device to configure |
| 355 | * |
| 356 | * Allocate and set up resources for the i960 based AAC variants. The |
| 357 | * device_interface in the commregion will be allocated and linked |
| 358 | * to the comm region. |
| 359 | */ |
| 360 | |
| 361 | int aac_rkt_init(struct aac_dev *dev) |
| 362 | { |
| 363 | unsigned long start; |
| 364 | unsigned long status; |
| 365 | int instance; |
| 366 | const char * name; |
| 367 | |
| 368 | instance = dev->id; |
| 369 | name = dev->name; |
| 370 | |
| 371 | /* |
| 372 | * Map in the registers from the adapter. |
| 373 | */ |
| 374 | if((dev->regs.rkt = ioremap((unsigned long)dev->scsi_host_ptr->base, 8192))==NULL) |
| 375 | { |
| 376 | printk(KERN_WARNING "aacraid: unable to map i960.\n" ); |
| 377 | goto error_iounmap; |
| 378 | } |
| 379 | /* |
| 380 | * Check to see if the board failed any self tests. |
| 381 | */ |
| 382 | if (rkt_readl(dev, MUnit.OMRx[0]) & SELF_TEST_FAILED) { |
| 383 | printk(KERN_ERR "%s%d: adapter self-test failed.\n", dev->name, instance); |
| 384 | goto error_iounmap; |
| 385 | } |
| 386 | /* |
| 387 | * Check to see if the monitor panic'd while booting. |
| 388 | */ |
| 389 | if (rkt_readl(dev, MUnit.OMRx[0]) & MONITOR_PANIC) { |
| 390 | printk(KERN_ERR "%s%d: adapter monitor panic.\n", dev->name, instance); |
| 391 | goto error_iounmap; |
| 392 | } |
| 393 | /* |
| 394 | * Check to see if the board panic'd while booting. |
| 395 | */ |
| 396 | if (rkt_readl(dev, MUnit.OMRx[0]) & KERNEL_PANIC) { |
| 397 | printk(KERN_ERR "%s%d: adapter kernel panic'd.\n", dev->name, instance); |
| 398 | goto error_iounmap; |
| 399 | } |
| 400 | start = jiffies; |
| 401 | /* |
| 402 | * Wait for the adapter to be up and running. Wait up to 3 minutes |
| 403 | */ |
| 404 | while (!(rkt_readl(dev, MUnit.OMRx[0]) & KERNEL_UP_AND_RUNNING)) |
| 405 | { |
| 406 | if(time_after(jiffies, start+180*HZ)) |
| 407 | { |
| 408 | status = rkt_readl(dev, MUnit.OMRx[0]); |
| 409 | printk(KERN_ERR "%s%d: adapter kernel failed to start, init status = %lx.\n", |
| 410 | dev->name, instance, status); |
| 411 | goto error_iounmap; |
| 412 | } |
| 413 | set_current_state(TASK_UNINTERRUPTIBLE); |
| 414 | schedule_timeout(1); |
| 415 | } |
| 416 | if (request_irq(dev->scsi_host_ptr->irq, aac_rkt_intr, SA_SHIRQ|SA_INTERRUPT, "aacraid", (void *)dev)<0) |
| 417 | { |
| 418 | printk(KERN_ERR "%s%d: Interrupt unavailable.\n", name, instance); |
| 419 | goto error_iounmap; |
| 420 | } |
| 421 | /* |
| 422 | * Fill in the function dispatch table. |
| 423 | */ |
| 424 | dev->a_ops.adapter_interrupt = aac_rkt_interrupt_adapter; |
Mark Haverkamp | bd1aac8 | 2005-08-03 15:39:01 -0700 | [diff] [blame^] | 425 | dev->a_ops.adapter_disable_int = aac_rkt_disable_interrupt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 426 | dev->a_ops.adapter_notify = aac_rkt_notify_adapter; |
| 427 | dev->a_ops.adapter_sync_cmd = rkt_sync_cmd; |
| 428 | dev->a_ops.adapter_check_health = aac_rkt_check_health; |
| 429 | |
Mark Haverkamp | bd1aac8 | 2005-08-03 15:39:01 -0700 | [diff] [blame^] | 430 | /* |
| 431 | * First clear out all interrupts. Then enable the one's that we |
| 432 | * can handle. |
| 433 | */ |
| 434 | rkt_writeb(dev, MUnit.OIMR, 0xff); |
| 435 | rkt_writel(dev, MUnit.ODR, 0xffffffff); |
| 436 | rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb); |
| 437 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 438 | if (aac_init_adapter(dev) == NULL) |
| 439 | goto error_irq; |
| 440 | /* |
| 441 | * Start any kernel threads needed |
| 442 | */ |
| 443 | dev->thread_pid = kernel_thread((int (*)(void *))aac_command_thread, dev, 0); |
| 444 | if(dev->thread_pid < 0) |
| 445 | { |
| 446 | printk(KERN_ERR "aacraid: Unable to create rkt thread.\n"); |
| 447 | goto error_kfree; |
| 448 | } |
| 449 | /* |
| 450 | * Tell the adapter that all is configured, and it can start |
| 451 | * accepting requests |
| 452 | */ |
| 453 | aac_rkt_start_adapter(dev); |
| 454 | return 0; |
| 455 | |
| 456 | error_kfree: |
| 457 | kfree(dev->queues); |
| 458 | |
| 459 | error_irq: |
Mark Haverkamp | bd1aac8 | 2005-08-03 15:39:01 -0700 | [diff] [blame^] | 460 | rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xff); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 461 | free_irq(dev->scsi_host_ptr->irq, (void *)dev); |
| 462 | |
| 463 | error_iounmap: |
| 464 | iounmap(dev->regs.rkt); |
| 465 | |
| 466 | return -1; |
| 467 | } |