diff options
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/watchdog/booke_wdt.c | 6 | ||||
| -rw-r--r-- | drivers/watchdog/hpwdt.c | 5 | ||||
| -rw-r--r-- | drivers/watchdog/pnx4008_wdt.c | 2 | ||||
| -rw-r--r-- | drivers/watchdog/s3c2410_wdt.c | 57 | 
5 files changed, 41 insertions, 31 deletions
| diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 877b107f77a7..df9e8f0e327d 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig | |||
| @@ -1098,7 +1098,7 @@ config BOOKE_WDT_DEFAULT_TIMEOUT | |||
| 1098 | For Freescale Book-E processors, this is a number between 0 and 63. | 1098 | For Freescale Book-E processors, this is a number between 0 and 63. | 
| 1099 | For other Book-E processors, this is a number between 0 and 3. | 1099 | For other Book-E processors, this is a number between 0 and 3. | 
| 1100 | 1100 | ||
| 1101 | The value can be overidden by the wdt_period command-line parameter. | 1101 | The value can be overridden by the wdt_period command-line parameter. | 
| 1102 | 1102 | ||
| 1103 | # PPC64 Architecture | 1103 | # PPC64 Architecture | 
| 1104 | 1104 | ||
| diff --git a/drivers/watchdog/booke_wdt.c b/drivers/watchdog/booke_wdt.c index 337265b47305..7c0fdfca2646 100644 --- a/drivers/watchdog/booke_wdt.c +++ b/drivers/watchdog/booke_wdt.c | |||
| @@ -198,9 +198,13 @@ static long booke_wdt_ioctl(struct file *file, | |||
| 198 | booke_wdt_period = tmp; | 198 | booke_wdt_period = tmp; | 
| 199 | #endif | 199 | #endif | 
| 200 | booke_wdt_set(); | 200 | booke_wdt_set(); | 
| 201 | return 0; | 201 | /* Fall */ | 
| 202 | case WDIOC_GETTIMEOUT: | 202 | case WDIOC_GETTIMEOUT: | 
| 203 | #ifdef CONFIG_FSL_BOOKE | ||
| 204 | return put_user(period_to_sec(booke_wdt_period), p); | ||
| 205 | #else | ||
| 203 | return put_user(booke_wdt_period, p); | 206 | return put_user(booke_wdt_period, p); | 
| 207 | #endif | ||
| 204 | default: | 208 | default: | 
| 205 | return -ENOTTY; | 209 | return -ENOTTY; | 
| 206 | } | 210 | } | 
| diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c index 8464ea1c36a1..3c166d3f4e55 100644 --- a/drivers/watchdog/hpwdt.c +++ b/drivers/watchdog/hpwdt.c | |||
| @@ -231,7 +231,7 @@ static int __devinit cru_detect(unsigned long map_entry, | |||
| 231 | 231 | ||
| 232 | cmn_regs.u1.reax = CRU_BIOS_SIGNATURE_VALUE; | 232 | cmn_regs.u1.reax = CRU_BIOS_SIGNATURE_VALUE; | 
| 233 | 233 | ||
| 234 | set_memory_x((unsigned long)bios32_entrypoint, (2 * PAGE_SIZE)); | 234 | set_memory_x((unsigned long)bios32_map, 2); | 
| 235 | asminline_call(&cmn_regs, bios32_entrypoint); | 235 | asminline_call(&cmn_regs, bios32_entrypoint); | 
| 236 | 236 | ||
| 237 | if (cmn_regs.u1.ral != 0) { | 237 | if (cmn_regs.u1.ral != 0) { | 
| @@ -250,7 +250,8 @@ static int __devinit cru_detect(unsigned long map_entry, | |||
| 250 | cru_rom_addr = | 250 | cru_rom_addr = | 
| 251 | ioremap(cru_physical_address, cru_length); | 251 | ioremap(cru_physical_address, cru_length); | 
| 252 | if (cru_rom_addr) { | 252 | if (cru_rom_addr) { | 
| 253 | set_memory_x((unsigned long)cru_rom_addr, cru_length); | 253 | set_memory_x((unsigned long)cru_rom_addr & PAGE_MASK, | 
| 254 | (cru_length + PAGE_SIZE - 1) >> PAGE_SHIFT); | ||
| 254 | retval = 0; | 255 | retval = 0; | 
| 255 | } | 256 | } | 
| 256 | } | 257 | } | 
| diff --git a/drivers/watchdog/pnx4008_wdt.c b/drivers/watchdog/pnx4008_wdt.c index 8e210aafdfd0..dfae030a7ef2 100644 --- a/drivers/watchdog/pnx4008_wdt.c +++ b/drivers/watchdog/pnx4008_wdt.c | |||
| @@ -264,7 +264,7 @@ static int __devinit pnx4008_wdt_probe(struct platform_device *pdev) | |||
| 264 | wdt_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); | 264 | wdt_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); | 
| 265 | if (wdt_mem == NULL) { | 265 | if (wdt_mem == NULL) { | 
| 266 | printk(KERN_INFO MODULE_NAME | 266 | printk(KERN_INFO MODULE_NAME | 
| 267 | "failed to get memory region resouce\n"); | 267 | "failed to get memory region resource\n"); | 
| 268 | return -ENOENT; | 268 | return -ENOENT; | 
| 269 | } | 269 | } | 
| 270 | 270 | ||
| diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c index 4bc3744e14e4..404172f02c9b 100644 --- a/drivers/watchdog/s3c2410_wdt.c +++ b/drivers/watchdog/s3c2410_wdt.c | |||
| @@ -312,18 +312,26 @@ static int __devinit s3c2410wdt_probe(struct platform_device *pdev) | |||
| 312 | dev = &pdev->dev; | 312 | dev = &pdev->dev; | 
| 313 | wdt_dev = &pdev->dev; | 313 | wdt_dev = &pdev->dev; | 
| 314 | 314 | ||
| 315 | /* get the memory region for the watchdog timer */ | ||
| 316 | |||
| 317 | wdt_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); | 315 | wdt_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); | 
| 318 | if (wdt_mem == NULL) { | 316 | if (wdt_mem == NULL) { | 
| 319 | dev_err(dev, "no memory resource specified\n"); | 317 | dev_err(dev, "no memory resource specified\n"); | 
| 320 | return -ENOENT; | 318 | return -ENOENT; | 
| 321 | } | 319 | } | 
| 322 | 320 | ||
| 321 | wdt_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); | ||
| 322 | if (wdt_irq == NULL) { | ||
| 323 | dev_err(dev, "no irq resource specified\n"); | ||
| 324 | ret = -ENOENT; | ||
| 325 | goto err; | ||
| 326 | } | ||
| 327 | |||
| 328 | /* get the memory region for the watchdog timer */ | ||
| 329 | |||
| 323 | size = resource_size(wdt_mem); | 330 | size = resource_size(wdt_mem); | 
| 324 | if (!request_mem_region(wdt_mem->start, size, pdev->name)) { | 331 | if (!request_mem_region(wdt_mem->start, size, pdev->name)) { | 
| 325 | dev_err(dev, "failed to get memory region\n"); | 332 | dev_err(dev, "failed to get memory region\n"); | 
| 326 | return -EBUSY; | 333 | ret = -EBUSY; | 
| 334 | goto err; | ||
| 327 | } | 335 | } | 
| 328 | 336 | ||
| 329 | wdt_base = ioremap(wdt_mem->start, size); | 337 | wdt_base = ioremap(wdt_mem->start, size); | 
| @@ -335,29 +343,17 @@ static int __devinit s3c2410wdt_probe(struct platform_device *pdev) | |||
| 335 | 343 | ||
| 336 | DBG("probe: mapped wdt_base=%p\n", wdt_base); | 344 | DBG("probe: mapped wdt_base=%p\n", wdt_base); | 
| 337 | 345 | ||
| 338 | wdt_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); | ||
| 339 | if (wdt_irq == NULL) { | ||
| 340 | dev_err(dev, "no irq resource specified\n"); | ||
| 341 | ret = -ENOENT; | ||
| 342 | goto err_map; | ||
| 343 | } | ||
| 344 | |||
| 345 | ret = request_irq(wdt_irq->start, s3c2410wdt_irq, 0, pdev->name, pdev); | ||
| 346 | if (ret != 0) { | ||
| 347 | dev_err(dev, "failed to install irq (%d)\n", ret); | ||
| 348 | goto err_map; | ||
| 349 | } | ||
| 350 | |||
| 351 | wdt_clock = clk_get(&pdev->dev, "watchdog"); | 346 | wdt_clock = clk_get(&pdev->dev, "watchdog"); | 
| 352 | if (IS_ERR(wdt_clock)) { | 347 | if (IS_ERR(wdt_clock)) { | 
| 353 | dev_err(dev, "failed to find watchdog clock source\n"); | 348 | dev_err(dev, "failed to find watchdog clock source\n"); | 
| 354 | ret = PTR_ERR(wdt_clock); | 349 | ret = PTR_ERR(wdt_clock); | 
| 355 | goto err_irq; | 350 | goto err_map; | 
| 356 | } | 351 | } | 
| 357 | 352 | ||
| 358 | clk_enable(wdt_clock); | 353 | clk_enable(wdt_clock); | 
| 359 | 354 | ||
| 360 | if (s3c2410wdt_cpufreq_register() < 0) { | 355 | ret = s3c2410wdt_cpufreq_register(); | 
| 356 | if (ret < 0) { | ||
| 361 | printk(KERN_ERR PFX "failed to register cpufreq\n"); | 357 | printk(KERN_ERR PFX "failed to register cpufreq\n"); | 
| 362 | goto err_clk; | 358 | goto err_clk; | 
| 363 | } | 359 | } | 
| @@ -378,12 +374,18 @@ static int __devinit s3c2410wdt_probe(struct platform_device *pdev) | |||
| 378 | "cannot start\n"); | 374 | "cannot start\n"); | 
| 379 | } | 375 | } | 
| 380 | 376 | ||
| 377 | ret = request_irq(wdt_irq->start, s3c2410wdt_irq, 0, pdev->name, pdev); | ||
| 378 | if (ret != 0) { | ||
| 379 | dev_err(dev, "failed to install irq (%d)\n", ret); | ||
| 380 | goto err_cpufreq; | ||
| 381 | } | ||
| 382 | |||
| 381 | watchdog_set_nowayout(&s3c2410_wdd, nowayout); | 383 | watchdog_set_nowayout(&s3c2410_wdd, nowayout); | 
| 382 | 384 | ||
| 383 | ret = watchdog_register_device(&s3c2410_wdd); | 385 | ret = watchdog_register_device(&s3c2410_wdd); | 
| 384 | if (ret) { | 386 | if (ret) { | 
| 385 | dev_err(dev, "cannot register watchdog (%d)\n", ret); | 387 | dev_err(dev, "cannot register watchdog (%d)\n", ret); | 
| 386 | goto err_cpufreq; | 388 | goto err_irq; | 
| 387 | } | 389 | } | 
| 388 | 390 | ||
| 389 | if (tmr_atboot && started == 0) { | 391 | if (tmr_atboot && started == 0) { | 
| @@ -408,23 +410,26 @@ static int __devinit s3c2410wdt_probe(struct platform_device *pdev) | |||
| 408 | 410 | ||
| 409 | return 0; | 411 | return 0; | 
| 410 | 412 | ||
| 413 | err_irq: | ||
| 414 | free_irq(wdt_irq->start, pdev); | ||
| 415 | |||
| 411 | err_cpufreq: | 416 | err_cpufreq: | 
| 412 | s3c2410wdt_cpufreq_deregister(); | 417 | s3c2410wdt_cpufreq_deregister(); | 
| 413 | 418 | ||
| 414 | err_clk: | 419 | err_clk: | 
| 415 | clk_disable(wdt_clock); | 420 | clk_disable(wdt_clock); | 
| 416 | clk_put(wdt_clock); | 421 | clk_put(wdt_clock); | 
| 417 | 422 | wdt_clock = NULL; | |
| 418 | err_irq: | ||
| 419 | free_irq(wdt_irq->start, pdev); | ||
| 420 | 423 | ||
| 421 | err_map: | 424 | err_map: | 
| 422 | iounmap(wdt_base); | 425 | iounmap(wdt_base); | 
| 423 | 426 | ||
| 424 | err_req: | 427 | err_req: | 
| 425 | release_mem_region(wdt_mem->start, size); | 428 | release_mem_region(wdt_mem->start, size); | 
| 426 | wdt_mem = NULL; | ||
| 427 | 429 | ||
| 430 | err: | ||
| 431 | wdt_irq = NULL; | ||
| 432 | wdt_mem = NULL; | ||
| 428 | return ret; | 433 | return ret; | 
| 429 | } | 434 | } | 
| 430 | 435 | ||
| @@ -432,18 +437,18 @@ static int __devexit s3c2410wdt_remove(struct platform_device *dev) | |||
| 432 | { | 437 | { | 
| 433 | watchdog_unregister_device(&s3c2410_wdd); | 438 | watchdog_unregister_device(&s3c2410_wdd); | 
| 434 | 439 | ||
| 440 | free_irq(wdt_irq->start, dev); | ||
| 441 | |||
| 435 | s3c2410wdt_cpufreq_deregister(); | 442 | s3c2410wdt_cpufreq_deregister(); | 
| 436 | 443 | ||
| 437 | clk_disable(wdt_clock); | 444 | clk_disable(wdt_clock); | 
| 438 | clk_put(wdt_clock); | 445 | clk_put(wdt_clock); | 
| 439 | wdt_clock = NULL; | 446 | wdt_clock = NULL; | 
| 440 | 447 | ||
| 441 | free_irq(wdt_irq->start, dev); | ||
| 442 | wdt_irq = NULL; | ||
| 443 | |||
| 444 | iounmap(wdt_base); | 448 | iounmap(wdt_base); | 
| 445 | 449 | ||
| 446 | release_mem_region(wdt_mem->start, resource_size(wdt_mem)); | 450 | release_mem_region(wdt_mem->start, resource_size(wdt_mem)); | 
| 451 | wdt_irq = NULL; | ||
| 447 | wdt_mem = NULL; | 452 | wdt_mem = NULL; | 
| 448 | return 0; | 453 | return 0; | 
| 449 | } | 454 | } | 
