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Message-Id: <1298332538-31216-2-git-send-email-john.stultz@linaro.org>
Date: Mon, 21 Feb 2011 15:55:29 -0800
From: John Stultz <john.stultz@...aro.org>
To: LKML <linux-kernel@...r.kernel.org>
Cc: John Stultz <john.stultz@...aro.org>,
Thomas Gleixner <tglx@...utronix.de>,
Alessandro Zummo <a.zummo@...ertech.it>,
Marcelo Roberto Jimenez <mroberto@...i.cetuc.puc-rio.br>,
rtc-linux@...glegroups.com
Subject: [PATCH 01/10] RTC: Cleanup rtc_class_ops->irq_set_state
With PIE mode interrupts now emulated in generic code via an hrtimer,
no one calls rtc_class_ops->irq_set_state(), so this patch removes it
along with driver implementations.
CC: Thomas Gleixner <tglx@...utronix.de>
CC: Alessandro Zummo <a.zummo@...ertech.it>
CC: Marcelo Roberto Jimenez <mroberto@...i.cetuc.puc-rio.br>
CC: rtc-linux@...glegroups.com
Signed-off-by: John Stultz <john.stultz@...aro.org>
---
drivers/rtc/rtc-cmos.c | 20 --------------------
drivers/rtc/rtc-davinci.c | 34 ----------------------------------
drivers/rtc/rtc-mrst.c | 20 --------------------
drivers/rtc/rtc-pl031.c | 34 ----------------------------------
drivers/rtc/rtc-pxa.c | 13 -------------
drivers/rtc/rtc-rx8025.c | 25 -------------------------
drivers/rtc/rtc-s3c.c | 32 --------------------------------
drivers/rtc/rtc-sa1100.c | 18 ------------------
drivers/rtc/rtc-sh.c | 1 -
drivers/rtc/rtc-vr41xx.c | 11 -----------
include/linux/rtc.h | 1 -
11 files changed, 0 insertions(+), 209 deletions(-)
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index c7ff8df..de632e7 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -400,25 +400,6 @@ static int cmos_irq_set_freq(struct device *dev, int freq)
return 0;
}
-static int cmos_irq_set_state(struct device *dev, int enabled)
-{
- struct cmos_rtc *cmos = dev_get_drvdata(dev);
- unsigned long flags;
-
- if (!is_valid_irq(cmos->irq))
- return -ENXIO;
-
- spin_lock_irqsave(&rtc_lock, flags);
-
- if (enabled)
- cmos_irq_enable(cmos, RTC_PIE);
- else
- cmos_irq_disable(cmos, RTC_PIE);
-
- spin_unlock_irqrestore(&rtc_lock, flags);
- return 0;
-}
-
static int cmos_alarm_irq_enable(struct device *dev, unsigned int enabled)
{
struct cmos_rtc *cmos = dev_get_drvdata(dev);
@@ -502,7 +483,6 @@ static const struct rtc_class_ops cmos_rtc_ops = {
.set_alarm = cmos_set_alarm,
.proc = cmos_procfs,
.irq_set_freq = cmos_irq_set_freq,
- .irq_set_state = cmos_irq_set_state,
.alarm_irq_enable = cmos_alarm_irq_enable,
.update_irq_enable = cmos_update_irq_enable,
};
diff --git a/drivers/rtc/rtc-davinci.c b/drivers/rtc/rtc-davinci.c
index 34647fc..92da73d 100644
--- a/drivers/rtc/rtc-davinci.c
+++ b/drivers/rtc/rtc-davinci.c
@@ -473,39 +473,6 @@ static int davinci_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
return 0;
}
-static int davinci_rtc_irq_set_state(struct device *dev, int enabled)
-{
- struct davinci_rtc *davinci_rtc = dev_get_drvdata(dev);
- unsigned long flags;
- u8 rtc_ctrl;
-
- spin_lock_irqsave(&davinci_rtc_lock, flags);
-
- rtc_ctrl = rtcss_read(davinci_rtc, PRTCSS_RTC_CTRL);
-
- if (enabled) {
- while (rtcss_read(davinci_rtc, PRTCSS_RTC_CTRL)
- & PRTCSS_RTC_CTRL_WDTBUS)
- cpu_relax();
-
- rtc_ctrl |= PRTCSS_RTC_CTRL_TE;
- rtcss_write(davinci_rtc, rtc_ctrl, PRTCSS_RTC_CTRL);
-
- rtcss_write(davinci_rtc, 0x0, PRTCSS_RTC_CLKC_CNT);
-
- rtc_ctrl |= PRTCSS_RTC_CTRL_TIEN |
- PRTCSS_RTC_CTRL_TMMD |
- PRTCSS_RTC_CTRL_TMRFLG;
- } else
- rtc_ctrl &= ~PRTCSS_RTC_CTRL_TIEN;
-
- rtcss_write(davinci_rtc, rtc_ctrl, PRTCSS_RTC_CTRL);
-
- spin_unlock_irqrestore(&davinci_rtc_lock, flags);
-
- return 0;
-}
-
static int davinci_rtc_irq_set_freq(struct device *dev, int freq)
{
struct davinci_rtc *davinci_rtc = dev_get_drvdata(dev);
@@ -529,7 +496,6 @@ static struct rtc_class_ops davinci_rtc_ops = {
.alarm_irq_enable = davinci_rtc_alarm_irq_enable,
.read_alarm = davinci_rtc_read_alarm,
.set_alarm = davinci_rtc_set_alarm,
- .irq_set_state = davinci_rtc_irq_set_state,
.irq_set_freq = davinci_rtc_irq_set_freq,
};
diff --git a/drivers/rtc/rtc-mrst.c b/drivers/rtc/rtc-mrst.c
index 1db62db..4db96fa 100644
--- a/drivers/rtc/rtc-mrst.c
+++ b/drivers/rtc/rtc-mrst.c
@@ -236,25 +236,6 @@ static int mrst_set_alarm(struct device *dev, struct rtc_wkalrm *t)
return 0;
}
-static int mrst_irq_set_state(struct device *dev, int enabled)
-{
- struct mrst_rtc *mrst = dev_get_drvdata(dev);
- unsigned long flags;
-
- if (!mrst->irq)
- return -ENXIO;
-
- spin_lock_irqsave(&rtc_lock, flags);
-
- if (enabled)
- mrst_irq_enable(mrst, RTC_PIE);
- else
- mrst_irq_disable(mrst, RTC_PIE);
-
- spin_unlock_irqrestore(&rtc_lock, flags);
- return 0;
-}
-
/* Currently, the vRTC doesn't support UIE ON/OFF */
static int mrst_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
{
@@ -301,7 +282,6 @@ static const struct rtc_class_ops mrst_rtc_ops = {
.read_alarm = mrst_read_alarm,
.set_alarm = mrst_set_alarm,
.proc = mrst_procfs,
- .irq_set_state = mrst_irq_set_state,
.alarm_irq_enable = mrst_rtc_alarm_irq_enable,
};
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index b7a6690..0e7c15b 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -293,38 +293,6 @@ static int pl031_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
return ret;
}
-/* Periodic interrupt is only available in ST variants. */
-static int pl031_irq_set_state(struct device *dev, int enabled)
-{
- struct pl031_local *ldata = dev_get_drvdata(dev);
-
- if (enabled == 1) {
- /* Clear any pending timer interrupt. */
- writel(RTC_BIT_PI, ldata->base + RTC_ICR);
-
- writel(readl(ldata->base + RTC_IMSC) | RTC_BIT_PI,
- ldata->base + RTC_IMSC);
-
- /* Now start the timer */
- writel(readl(ldata->base + RTC_TCR) | RTC_TCR_EN,
- ldata->base + RTC_TCR);
-
- } else {
- writel(readl(ldata->base + RTC_IMSC) & (~RTC_BIT_PI),
- ldata->base + RTC_IMSC);
-
- /* Also stop the timer */
- writel(readl(ldata->base + RTC_TCR) & (~RTC_TCR_EN),
- ldata->base + RTC_TCR);
- }
- /* Wait at least 1 RTC32 clock cycle to ensure next access
- * to RTC_TCR will succeed.
- */
- udelay(40);
-
- return 0;
-}
-
static int pl031_irq_set_freq(struct device *dev, int freq)
{
struct pl031_local *ldata = dev_get_drvdata(dev);
@@ -440,7 +408,6 @@ static struct rtc_class_ops stv1_pl031_ops = {
.read_alarm = pl031_read_alarm,
.set_alarm = pl031_set_alarm,
.alarm_irq_enable = pl031_alarm_irq_enable,
- .irq_set_state = pl031_irq_set_state,
.irq_set_freq = pl031_irq_set_freq,
};
@@ -451,7 +418,6 @@ static struct rtc_class_ops stv2_pl031_ops = {
.read_alarm = pl031_stv2_read_alarm,
.set_alarm = pl031_stv2_set_alarm,
.alarm_irq_enable = pl031_alarm_irq_enable,
- .irq_set_state = pl031_irq_set_state,
.irq_set_freq = pl031_irq_set_freq,
};
diff --git a/drivers/rtc/rtc-pxa.c b/drivers/rtc/rtc-pxa.c
index 29e867a..b216ae5 100644
--- a/drivers/rtc/rtc-pxa.c
+++ b/drivers/rtc/rtc-pxa.c
@@ -223,18 +223,6 @@ static int pxa_periodic_irq_set_freq(struct device *dev, int freq)
return 0;
}
-static int pxa_periodic_irq_set_state(struct device *dev, int enabled)
-{
- struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);
-
- if (enabled)
- rtsr_set_bits(pxa_rtc, RTSR_PIALE | RTSR_PICE);
- else
- rtsr_clear_bits(pxa_rtc, RTSR_PIALE | RTSR_PICE);
-
- return 0;
-}
-
static int pxa_alarm_irq_enable(struct device *dev, unsigned int enabled)
{
struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);
@@ -348,7 +336,6 @@ static const struct rtc_class_ops pxa_rtc_ops = {
.alarm_irq_enable = pxa_alarm_irq_enable,
.update_irq_enable = pxa_update_irq_enable,
.proc = pxa_rtc_proc,
- .irq_set_state = pxa_periodic_irq_set_state,
.irq_set_freq = pxa_periodic_irq_set_freq,
};
diff --git a/drivers/rtc/rtc-rx8025.c b/drivers/rtc/rtc-rx8025.c
index af32a62..fde172f 100644
--- a/drivers/rtc/rtc-rx8025.c
+++ b/drivers/rtc/rtc-rx8025.c
@@ -424,37 +424,12 @@ static int rx8025_alarm_irq_enable(struct device *dev, unsigned int enabled)
return 0;
}
-static int rx8025_irq_set_state(struct device *dev, int enabled)
-{
- struct i2c_client *client = to_i2c_client(dev);
- struct rx8025_data *rx8025 = i2c_get_clientdata(client);
- int ctrl1;
- int err;
-
- if (client->irq <= 0)
- return -ENXIO;
-
- ctrl1 = rx8025->ctrl1 & ~RX8025_BIT_CTRL1_CT;
- if (enabled)
- ctrl1 |= RX8025_BIT_CTRL1_CT_1HZ;
- if (ctrl1 != rx8025->ctrl1) {
- rx8025->ctrl1 = ctrl1;
- err = rx8025_write_reg(rx8025->client, RX8025_REG_CTRL1,
- rx8025->ctrl1);
- if (err)
- return err;
- }
-
- return 0;
-}
-
static struct rtc_class_ops rx8025_rtc_ops = {
.read_time = rx8025_get_time,
.set_time = rx8025_set_time,
.read_alarm = rx8025_read_alarm,
.set_alarm = rx8025_set_alarm,
.alarm_irq_enable = rx8025_alarm_irq_enable,
- .irq_set_state = rx8025_irq_set_state,
};
/*
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index cf953ec..1dd2678 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -91,37 +91,6 @@ static void s3c_rtc_setaie(int to)
writeb(tmp, s3c_rtc_base + S3C2410_RTCALM);
}
-static int s3c_rtc_setpie(struct device *dev, int enabled)
-{
- unsigned int tmp;
-
- pr_debug("%s: pie=%d\n", __func__, enabled);
-
- spin_lock_irq(&s3c_rtc_pie_lock);
-
- if (s3c_rtc_cpu_type == TYPE_S3C64XX) {
- tmp = readw(s3c_rtc_base + S3C2410_RTCCON);
- tmp &= ~S3C64XX_RTCCON_TICEN;
-
- if (enabled)
- tmp |= S3C64XX_RTCCON_TICEN;
-
- writew(tmp, s3c_rtc_base + S3C2410_RTCCON);
- } else {
- tmp = readb(s3c_rtc_base + S3C2410_TICNT);
- tmp &= ~S3C2410_TICNT_ENABLE;
-
- if (enabled)
- tmp |= S3C2410_TICNT_ENABLE;
-
- writeb(tmp, s3c_rtc_base + S3C2410_TICNT);
- }
-
- spin_unlock_irq(&s3c_rtc_pie_lock);
-
- return 0;
-}
-
static int s3c_rtc_setfreq(struct device *dev, int freq)
{
struct platform_device *pdev = to_platform_device(dev);
@@ -378,7 +347,6 @@ static const struct rtc_class_ops s3c_rtcops = {
.read_alarm = s3c_rtc_getalarm,
.set_alarm = s3c_rtc_setalarm,
.irq_set_freq = s3c_rtc_setfreq,
- .irq_set_state = s3c_rtc_setpie,
.proc = s3c_rtc_proc,
.alarm_irq_enable = s3c_rtc_setaie,
};
diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c
index 5dfe5ff..d47b3fc 100644
--- a/drivers/rtc/rtc-sa1100.c
+++ b/drivers/rtc/rtc-sa1100.c
@@ -171,23 +171,6 @@ static int sa1100_irq_set_freq(struct device *dev, int freq)
static int rtc_timer1_count;
-static int sa1100_irq_set_state(struct device *dev, int enabled)
-{
- spin_lock_irq(&sa1100_rtc_lock);
- if (enabled) {
- struct rtc_device *rtc = (struct rtc_device *)dev;
-
- OSMR1 = timer_freq / rtc->irq_freq + OSCR;
- OIER |= OIER_E1;
- rtc_timer1_count = 1;
- } else {
- OIER &= ~OIER_E1;
- }
- spin_unlock_irq(&sa1100_rtc_lock);
-
- return 0;
-}
-
static inline int sa1100_timer1_retrigger(struct rtc_device *rtc)
{
unsigned long diff;
@@ -410,7 +393,6 @@ static const struct rtc_class_ops sa1100_rtc_ops = {
.set_alarm = sa1100_rtc_set_alarm,
.proc = sa1100_rtc_proc,
.irq_set_freq = sa1100_irq_set_freq,
- .irq_set_state = sa1100_irq_set_state,
.alarm_irq_enable = sa1100_rtc_alarm_irq_enable,
};
diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c
index 93314a9..ff50a8b 100644
--- a/drivers/rtc/rtc-sh.c
+++ b/drivers/rtc/rtc-sh.c
@@ -603,7 +603,6 @@ static struct rtc_class_ops sh_rtc_ops = {
.set_time = sh_rtc_set_time,
.read_alarm = sh_rtc_read_alarm,
.set_alarm = sh_rtc_set_alarm,
- .irq_set_state = sh_rtc_irq_set_state,
.irq_set_freq = sh_rtc_irq_set_freq,
.proc = sh_rtc_proc,
.alarm_irq_enable = sh_rtc_alarm_irq_enable,
diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c
index 769190a..86f1490 100644
--- a/drivers/rtc/rtc-vr41xx.c
+++ b/drivers/rtc/rtc-vr41xx.c
@@ -227,16 +227,6 @@ static int vr41xx_rtc_irq_set_freq(struct device *dev, int freq)
return 0;
}
-static int vr41xx_rtc_irq_set_state(struct device *dev, int enabled)
-{
- if (enabled)
- enable_irq(pie_irq);
- else
- disable_irq(pie_irq);
-
- return 0;
-}
-
static int vr41xx_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
{
switch (cmd) {
@@ -309,7 +299,6 @@ static const struct rtc_class_ops vr41xx_rtc_ops = {
.read_alarm = vr41xx_rtc_read_alarm,
.set_alarm = vr41xx_rtc_set_alarm,
.irq_set_freq = vr41xx_rtc_irq_set_freq,
- .irq_set_state = vr41xx_rtc_irq_set_state,
};
static int __devinit rtc_probe(struct platform_device *pdev)
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 89c3e51..40bbe77 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -148,7 +148,6 @@ struct rtc_class_ops {
int (*set_alarm)(struct device *, struct rtc_wkalrm *);
int (*proc)(struct device *, struct seq_file *);
int (*set_mmss)(struct device *, unsigned long secs);
- int (*irq_set_state)(struct device *, int enabled);
int (*irq_set_freq)(struct device *, int freq);
int (*read_callback)(struct device *, int data);
int (*alarm_irq_enable)(struct device *, unsigned int enabled);
--
1.7.3.2.146.gca209
--
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