diff options
| -rw-r--r-- | drivers/rtc/rtc-bfin.c | 48 |
1 files changed, 22 insertions, 26 deletions
diff --git a/drivers/rtc/rtc-bfin.c b/drivers/rtc/rtc-bfin.c index 343f284..b14a9c4 100644 --- a/drivers/rtc/rtc-bfin.c +++ b/drivers/rtc/rtc-bfin.c @@ -45,8 +45,7 @@ #include <asm/blackfin.h> -#define stamp(fmt, args...) pr_debug("%s:%i: " fmt "\n", __func__, __LINE__, ## args) -#define stampit() stamp("here i am") +#define dev_dbg_stamp(dev) dev_dbg(dev, "%s:%i: here i am\n", __func__, __LINE__) struct bfin_rtc { struct rtc_device *rtc_dev; @@ -120,7 +119,6 @@ static inline void rtc_bfin_to_tm(u32 rtc_bfin, struct rtc_time *tm) */ static void rtc_bfin_sync_pending(void) { - stampit(); while (!(bfin_read_RTC_ISTAT() & RTC_ISTAT_WRITE_COMPLETE)) { if (!(bfin_read_RTC_ISTAT() & RTC_ISTAT_WRITE_PENDING)) break; @@ -128,8 +126,9 @@ static void rtc_bfin_sync_pending(void) bfin_write_RTC_ISTAT(RTC_ISTAT_WRITE_COMPLETE); } -static void rtc_bfin_reset(struct bfin_rtc *rtc) +static void rtc_bfin_reset(struct device *dev) { + struct bfin_rtc *rtc = dev_get_drvdata(dev); /* Initialize the RTC. Enable pre-scaler to scale RTC clock * to 1Hz and clear interrupt/status registers. */ spin_lock_irq(&rtc->lock); @@ -149,7 +148,7 @@ static irqreturn_t bfin_rtc_interrupt(int irq, void *dev_id) unsigned long events = 0; u16 rtc_istat; - stampit(); + dev_dbg_stamp(dev); spin_lock_irq(&rtc->lock); @@ -180,10 +179,9 @@ static irqreturn_t bfin_rtc_interrupt(int irq, void *dev_id) static int bfin_rtc_open(struct device *dev) { - struct bfin_rtc *rtc = dev_get_drvdata(dev); int ret; - stampit(); + dev_dbg_stamp(dev); ret = request_irq(IRQ_RTC, bfin_rtc_interrupt, IRQF_DISABLED, "rtc-bfin", dev); if (unlikely(ret)) { @@ -191,16 +189,15 @@ static int bfin_rtc_open(struct device *dev) return ret; } - rtc_bfin_reset(rtc); + rtc_bfin_reset(dev); return ret; } static void bfin_rtc_release(struct device *dev) { - struct bfin_rtc *rtc = dev_get_drvdata(dev); - stampit(); - rtc_bfin_reset(rtc); + dev_dbg_stamp(dev); + rtc_bfin_reset(dev); free_irq(IRQ_RTC, dev); } @@ -208,11 +205,11 @@ static int bfin_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long ar { struct bfin_rtc *rtc = dev_get_drvdata(dev); - stampit(); + dev_dbg_stamp(dev); switch (cmd) { case RTC_PIE_ON: - stampit(); + dev_dbg_stamp(dev); spin_lock_irq(&rtc->lock); rtc_bfin_sync_pending(); bfin_write_RTC_ISTAT(RTC_ISTAT_STOPWATCH); @@ -221,7 +218,7 @@ static int bfin_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long ar spin_unlock_irq(&rtc->lock); return 0; case RTC_PIE_OFF: - stampit(); + dev_dbg_stamp(dev); spin_lock_irq(&rtc->lock); rtc_bfin_sync_pending(); bfin_write_RTC_SWCNT(0); @@ -230,7 +227,7 @@ static int bfin_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long ar return 0; case RTC_UIE_ON: - stampit(); + dev_dbg_stamp(dev); spin_lock_irq(&rtc->lock); rtc_bfin_sync_pending(); bfin_write_RTC_ISTAT(RTC_ISTAT_SEC); @@ -238,7 +235,7 @@ static int bfin_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long ar spin_unlock_irq(&rtc->lock); return 0; case RTC_UIE_OFF: - stampit(); + dev_dbg_stamp(dev); spin_lock_irq(&rtc->lock); rtc_bfin_sync_pending(); bfin_write_RTC_ICTL(bfin_read_RTC_ICTL() & ~RTC_ISTAT_SEC); @@ -250,7 +247,7 @@ static int bfin_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long ar u16 which_alarm; int ret = 0; - stampit(); + dev_dbg_stamp(dev); spin_lock_irq(&rtc->lock); @@ -278,7 +275,7 @@ static int bfin_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long ar return ret; } case RTC_AIE_OFF: - stampit(); + dev_dbg_stamp(dev); spin_lock_irq(&rtc->lock); rtc_bfin_sync_pending(); bfin_write_RTC_ICTL(bfin_read_RTC_ICTL() & ~(RTC_ISTAT_ALARM | RTC_ISTAT_ALARM_DAY)); @@ -293,7 +290,7 @@ static int bfin_rtc_read_time(struct device *dev, struct rtc_time *tm) { struct bfin_rtc *rtc = dev_get_drvdata(dev); - stampit(); + dev_dbg_stamp(dev); spin_lock_irq(&rtc->lock); rtc_bfin_sync_pending(); @@ -309,7 +306,7 @@ static int bfin_rtc_set_time(struct device *dev, struct rtc_time *tm) int ret; unsigned long now; - stampit(); + dev_dbg_stamp(dev); spin_lock_irq(&rtc->lock); @@ -327,7 +324,7 @@ static int bfin_rtc_set_time(struct device *dev, struct rtc_time *tm) static int bfin_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) { struct bfin_rtc *rtc = dev_get_drvdata(dev); - stampit(); + dev_dbg_stamp(dev); memcpy(&alrm->time, &rtc->rtc_alarm, sizeof(struct rtc_time)); alrm->pending = !!(bfin_read_RTC_ICTL() & (RTC_ISTAT_ALARM | RTC_ISTAT_ALARM_DAY)); return 0; @@ -336,7 +333,7 @@ static int bfin_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) static int bfin_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) { struct bfin_rtc *rtc = dev_get_drvdata(dev); - stampit(); + dev_dbg_stamp(dev); memcpy(&rtc->rtc_alarm, &alrm->time, sizeof(struct rtc_time)); return 0; } @@ -345,7 +342,7 @@ static int bfin_rtc_proc(struct device *dev, struct seq_file *seq) { #define yesno(x) ((x) ? "yes" : "no") u16 ictl = bfin_read_RTC_ICTL(); - stampit(); + dev_dbg_stamp(dev); seq_printf(seq, "alarm_IRQ\t: %s\n" "wkalarm_IRQ\t: %s\n" @@ -369,7 +366,7 @@ static int bfin_rtc_proc(struct device *dev, struct seq_file *seq) */ static int bfin_irq_set_freq(struct device *dev, int freq) { - stampit(); + dev_dbg_stamp(dev); return -ENOTTY; } @@ -390,7 +387,7 @@ static int __devinit bfin_rtc_probe(struct platform_device *pdev) struct bfin_rtc *rtc; int ret = 0; - stampit(); + dev_dbg_stamp(&pdev->dev); rtc = kzalloc(sizeof(*rtc), GFP_KERNEL); if (unlikely(!rtc)) @@ -436,7 +433,6 @@ static struct platform_driver bfin_rtc_driver = { static int __init bfin_rtc_init(void) { - stampit(); return platform_driver_register(&bfin_rtc_driver); } |
