diff options
| author | David Woodhouse <David.Woodhouse@intel.com> | 2012-10-09 10:03:21 -0400 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2012-10-09 10:04:25 -0400 |
| commit | ffe315012510165ce82e4dd4767f0a5dba9edbf7 (patch) | |
| tree | f601cd980af9d0ced5ca9aedecef4fa0d2ca0e15 /drivers/rtc/rtc-at91sam9.c | |
| parent | e2d3a35ee427aaba99b6c68a56609ce276c51270 (diff) | |
| parent | 4a8e43feeac7996b8de2d5b2823e316917493df4 (diff) | |
Merge tag 'disintegrate-mtd-20121009' of git://git.infradead.org/users/dhowells/linux-headers
UAPI Disintegration 2012-10-09
Conflicts:
MAINTAINERS
arch/arm/configs/bcmring_defconfig
arch/arm/mach-imx/clk-imx51-imx53.c
drivers/mtd/nand/Kconfig
drivers/mtd/nand/bcm_umi_nand.c
drivers/mtd/nand/nand_bcm_umi.h
drivers/mtd/nand/orion_nand.c
Diffstat (limited to 'drivers/rtc/rtc-at91sam9.c')
| -rw-r--r-- | drivers/rtc/rtc-at91sam9.c | 35 |
1 files changed, 16 insertions, 19 deletions
diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c index 831868904e02..2dfe7a2fb998 100644 --- a/drivers/rtc/rtc-at91sam9.c +++ b/drivers/rtc/rtc-at91sam9.c | |||
| @@ -58,6 +58,7 @@ struct sam9_rtc { | |||
| 58 | struct rtc_device *rtcdev; | 58 | struct rtc_device *rtcdev; |
| 59 | u32 imr; | 59 | u32 imr; |
| 60 | void __iomem *gpbr; | 60 | void __iomem *gpbr; |
| 61 | int irq; | ||
| 61 | }; | 62 | }; |
| 62 | 63 | ||
| 63 | #define rtt_readl(rtc, field) \ | 64 | #define rtt_readl(rtc, field) \ |
| @@ -292,7 +293,7 @@ static int __devinit at91_rtc_probe(struct platform_device *pdev) | |||
| 292 | { | 293 | { |
| 293 | struct resource *r, *r_gpbr; | 294 | struct resource *r, *r_gpbr; |
| 294 | struct sam9_rtc *rtc; | 295 | struct sam9_rtc *rtc; |
| 295 | int ret; | 296 | int ret, irq; |
| 296 | u32 mr; | 297 | u32 mr; |
| 297 | 298 | ||
| 298 | r = platform_get_resource(pdev, IORESOURCE_MEM, 0); | 299 | r = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
| @@ -302,10 +303,18 @@ static int __devinit at91_rtc_probe(struct platform_device *pdev) | |||
| 302 | return -ENODEV; | 303 | return -ENODEV; |
| 303 | } | 304 | } |
| 304 | 305 | ||
| 306 | irq = platform_get_irq(pdev, 0); | ||
| 307 | if (irq < 0) { | ||
| 308 | dev_err(&pdev->dev, "failed to get interrupt resource\n"); | ||
| 309 | return irq; | ||
| 310 | } | ||
| 311 | |||
| 305 | rtc = kzalloc(sizeof *rtc, GFP_KERNEL); | 312 | rtc = kzalloc(sizeof *rtc, GFP_KERNEL); |
| 306 | if (!rtc) | 313 | if (!rtc) |
| 307 | return -ENOMEM; | 314 | return -ENOMEM; |
| 308 | 315 | ||
| 316 | rtc->irq = irq; | ||
| 317 | |||
| 309 | /* platform setup code should have handled this; sigh */ | 318 | /* platform setup code should have handled this; sigh */ |
| 310 | if (!device_can_wakeup(&pdev->dev)) | 319 | if (!device_can_wakeup(&pdev->dev)) |
| 311 | device_init_wakeup(&pdev->dev, 1); | 320 | device_init_wakeup(&pdev->dev, 1); |
| @@ -345,11 +354,10 @@ static int __devinit at91_rtc_probe(struct platform_device *pdev) | |||
| 345 | } | 354 | } |
| 346 | 355 | ||
| 347 | /* register irq handler after we know what name we'll use */ | 356 | /* register irq handler after we know what name we'll use */ |
| 348 | ret = request_irq(AT91_ID_SYS, at91_rtc_interrupt, | 357 | ret = request_irq(rtc->irq, at91_rtc_interrupt, IRQF_SHARED, |
| 349 | IRQF_SHARED, | ||
| 350 | dev_name(&rtc->rtcdev->dev), rtc); | 358 | dev_name(&rtc->rtcdev->dev), rtc); |
| 351 | if (ret) { | 359 | if (ret) { |
| 352 | dev_dbg(&pdev->dev, "can't share IRQ %d?\n", AT91_ID_SYS); | 360 | dev_dbg(&pdev->dev, "can't share IRQ %d?\n", rtc->irq); |
| 353 | rtc_device_unregister(rtc->rtcdev); | 361 | rtc_device_unregister(rtc->rtcdev); |
| 354 | goto fail_register; | 362 | goto fail_register; |
| 355 | } | 363 | } |
| @@ -386,7 +394,7 @@ static int __devexit at91_rtc_remove(struct platform_device *pdev) | |||
| 386 | 394 | ||
| 387 | /* disable all interrupts */ | 395 | /* disable all interrupts */ |
| 388 | rtt_writel(rtc, MR, mr & ~(AT91_RTT_ALMIEN | AT91_RTT_RTTINCIEN)); | 396 | rtt_writel(rtc, MR, mr & ~(AT91_RTT_ALMIEN | AT91_RTT_RTTINCIEN)); |
| 389 | free_irq(AT91_ID_SYS, rtc); | 397 | free_irq(rtc->irq, rtc); |
| 390 | 398 | ||
| 391 | rtc_device_unregister(rtc->rtcdev); | 399 | rtc_device_unregister(rtc->rtcdev); |
| 392 | 400 | ||
| @@ -423,7 +431,7 @@ static int at91_rtc_suspend(struct platform_device *pdev, | |||
| 423 | rtc->imr = mr & (AT91_RTT_ALMIEN | AT91_RTT_RTTINCIEN); | 431 | rtc->imr = mr & (AT91_RTT_ALMIEN | AT91_RTT_RTTINCIEN); |
| 424 | if (rtc->imr) { | 432 | if (rtc->imr) { |
| 425 | if (device_may_wakeup(&pdev->dev) && (mr & AT91_RTT_ALMIEN)) { | 433 | if (device_may_wakeup(&pdev->dev) && (mr & AT91_RTT_ALMIEN)) { |
| 426 | enable_irq_wake(AT91_ID_SYS); | 434 | enable_irq_wake(rtc->irq); |
| 427 | /* don't let RTTINC cause wakeups */ | 435 | /* don't let RTTINC cause wakeups */ |
| 428 | if (mr & AT91_RTT_RTTINCIEN) | 436 | if (mr & AT91_RTT_RTTINCIEN) |
| 429 | rtt_writel(rtc, MR, mr & ~AT91_RTT_RTTINCIEN); | 437 | rtt_writel(rtc, MR, mr & ~AT91_RTT_RTTINCIEN); |
| @@ -441,7 +449,7 @@ static int at91_rtc_resume(struct platform_device *pdev) | |||
| 441 | 449 | ||
| 442 | if (rtc->imr) { | 450 | if (rtc->imr) { |
| 443 | if (device_may_wakeup(&pdev->dev)) | 451 | if (device_may_wakeup(&pdev->dev)) |
| 444 | disable_irq_wake(AT91_ID_SYS); | 452 | disable_irq_wake(rtc->irq); |
| 445 | mr = rtt_readl(rtc, MR); | 453 | mr = rtt_readl(rtc, MR); |
| 446 | rtt_writel(rtc, MR, mr | rtc->imr); | 454 | rtt_writel(rtc, MR, mr | rtc->imr); |
| 447 | } | 455 | } |
| @@ -465,18 +473,7 @@ static struct platform_driver at91_rtc_driver = { | |||
| 465 | }, | 473 | }, |
| 466 | }; | 474 | }; |
| 467 | 475 | ||
| 468 | static int __init at91_rtc_init(void) | 476 | module_platform_driver(at91_rtc_driver); |
| 469 | { | ||
| 470 | return platform_driver_register(&at91_rtc_driver); | ||
| 471 | } | ||
| 472 | module_init(at91_rtc_init); | ||
| 473 | |||
| 474 | static void __exit at91_rtc_exit(void) | ||
| 475 | { | ||
| 476 | platform_driver_unregister(&at91_rtc_driver); | ||
| 477 | } | ||
| 478 | module_exit(at91_rtc_exit); | ||
| 479 | |||
| 480 | 477 | ||
| 481 | MODULE_AUTHOR("Michel Benoit"); | 478 | MODULE_AUTHOR("Michel Benoit"); |
| 482 | MODULE_DESCRIPTION("RTC driver for Atmel AT91SAM9x"); | 479 | MODULE_DESCRIPTION("RTC driver for Atmel AT91SAM9x"); |
