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Subject[PATCH 4/7] Blackfin RTC driver: use dev_dbg() rather than pr_stamp()
Date
From: Mike Frysinger <michael.frysinger@analog.com>

Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
---
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);
}

--
1.5.3.4
-
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