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path: root/drivers/rtc/rtc-mc13783.c
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Diffstat (limited to 'drivers/rtc/rtc-mc13783.c')
-rw-r--r--drivers/rtc/rtc-mc13783.c24
1 files changed, 14 insertions, 10 deletions
diff --git a/drivers/rtc/rtc-mc13783.c b/drivers/rtc/rtc-mc13783.c
index d60c81b7b693..675bfb515367 100644
--- a/drivers/rtc/rtc-mc13783.c
+++ b/drivers/rtc/rtc-mc13783.c
@@ -13,6 +13,7 @@
13#include <linux/platform_device.h> 13#include <linux/platform_device.h>
14#include <linux/kernel.h> 14#include <linux/kernel.h>
15#include <linux/module.h> 15#include <linux/module.h>
16#include <linux/slab.h>
16#include <linux/rtc.h> 17#include <linux/rtc.h>
17 18
18#define DRIVER_NAME "mc13783-rtc" 19#define DRIVER_NAME "mc13783-rtc"
@@ -319,35 +320,38 @@ static int __devinit mc13783_rtc_probe(struct platform_device *pdev)
319{ 320{
320 int ret; 321 int ret;
321 struct mc13783_rtc *priv; 322 struct mc13783_rtc *priv;
323 struct mc13783 *mc13783;
322 int rtcrst_pending; 324 int rtcrst_pending;
323 325
324 priv = kzalloc(sizeof(*priv), GFP_KERNEL); 326 priv = kzalloc(sizeof(*priv), GFP_KERNEL);
325 if (!priv) 327 if (!priv)
326 return -ENOMEM; 328 return -ENOMEM;
327 329
328 priv->mc13783 = dev_get_drvdata(pdev->dev.parent); 330 mc13783 = dev_get_drvdata(pdev->dev.parent);
331 priv->mc13783 = mc13783;
332
329 platform_set_drvdata(pdev, priv); 333 platform_set_drvdata(pdev, priv);
330 334
331 mc13783_lock(priv->mc13783); 335 mc13783_lock(mc13783);
332 336
333 ret = mc13783_irq_request(priv->mc13783, MC13783_IRQ_RTCRST, 337 ret = mc13783_irq_request(mc13783, MC13783_IRQ_RTCRST,
334 mc13783_rtc_reset_handler, DRIVER_NAME, priv); 338 mc13783_rtc_reset_handler, DRIVER_NAME, priv);
335 if (ret) 339 if (ret)
336 goto err_reset_irq_request; 340 goto err_reset_irq_request;
337 341
338 ret = mc13783_irq_status(priv->mc13783, MC13783_IRQ_RTCRST, 342 ret = mc13783_irq_status(mc13783, MC13783_IRQ_RTCRST,
339 NULL, &rtcrst_pending); 343 NULL, &rtcrst_pending);
340 if (ret) 344 if (ret)
341 goto err_reset_irq_status; 345 goto err_reset_irq_status;
342 346
343 priv->valid = !rtcrst_pending; 347 priv->valid = !rtcrst_pending;
344 348
345 ret = mc13783_irq_request_nounmask(priv->mc13783, MC13783_IRQ_1HZ, 349 ret = mc13783_irq_request_nounmask(mc13783, MC13783_IRQ_1HZ,
346 mc13783_rtc_update_handler, DRIVER_NAME, priv); 350 mc13783_rtc_update_handler, DRIVER_NAME, priv);
347 if (ret) 351 if (ret)
348 goto err_update_irq_request; 352 goto err_update_irq_request;
349 353
350 ret = mc13783_irq_request_nounmask(priv->mc13783, MC13783_IRQ_TODA, 354 ret = mc13783_irq_request_nounmask(mc13783, MC13783_IRQ_TODA,
351 mc13783_rtc_alarm_handler, DRIVER_NAME, priv); 355 mc13783_rtc_alarm_handler, DRIVER_NAME, priv);
352 if (ret) 356 if (ret)
353 goto err_alarm_irq_request; 357 goto err_alarm_irq_request;
@@ -357,22 +361,22 @@ static int __devinit mc13783_rtc_probe(struct platform_device *pdev)
357 if (IS_ERR(priv->rtc)) { 361 if (IS_ERR(priv->rtc)) {
358 ret = PTR_ERR(priv->rtc); 362 ret = PTR_ERR(priv->rtc);
359 363
360 mc13783_irq_free(priv->mc13783, MC13783_IRQ_TODA, priv); 364 mc13783_irq_free(mc13783, MC13783_IRQ_TODA, priv);
361err_alarm_irq_request: 365err_alarm_irq_request:
362 366
363 mc13783_irq_free(priv->mc13783, MC13783_IRQ_1HZ, priv); 367 mc13783_irq_free(mc13783, MC13783_IRQ_1HZ, priv);
364err_update_irq_request: 368err_update_irq_request:
365 369
366err_reset_irq_status: 370err_reset_irq_status:
367 371
368 mc13783_irq_free(priv->mc13783, MC13783_IRQ_RTCRST, priv); 372 mc13783_irq_free(mc13783, MC13783_IRQ_RTCRST, priv);
369err_reset_irq_request: 373err_reset_irq_request:
370 374
371 platform_set_drvdata(pdev, NULL); 375 platform_set_drvdata(pdev, NULL);
372 kfree(priv); 376 kfree(priv);
373 } 377 }
374 378
375 mc13783_unlock(priv->mc13783); 379 mc13783_unlock(mc13783);
376 380
377 return ret; 381 return ret;
378} 382}