From 2ec38a0359e227c01080dcd670a0368c61ccd9ce Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Fri, 4 Mar 2011 17:36:19 -0800 Subject: drivers/rtc/rtc-s3c.c: fix prototype for s3c_rtc_setaie() Fix s3c_rtc_setaie() prototype to eliminate the following compile warning: drivers/rtc/rtc-s3c.c:383: warning: initialization from incompatible pointer type (akpm: the rtc_class_ops.alarm_irq_enable() handler is being passed two arguments where it expects just one, presumably with undesired effects) Signed-off-by: Axel Lin Cc: Alessandro Zummo Cc: Ben Dooks Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/rtc-s3c.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) (limited to 'drivers/rtc/rtc-s3c.c') diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c index cf953ecbfca9..b80fa2882408 100644 --- a/drivers/rtc/rtc-s3c.c +++ b/drivers/rtc/rtc-s3c.c @@ -77,18 +77,20 @@ static irqreturn_t s3c_rtc_tickirq(int irq, void *id) } /* Update control registers */ -static void s3c_rtc_setaie(int to) +static int s3c_rtc_setaie(struct device *dev, unsigned int enabled) { unsigned int tmp; - pr_debug("%s: aie=%d\n", __func__, to); + pr_debug("%s: aie=%d\n", __func__, enabled); tmp = readb(s3c_rtc_base + S3C2410_RTCALM) & ~S3C2410_RTCALM_ALMEN; - if (to) + if (enabled) tmp |= S3C2410_RTCALM_ALMEN; writeb(tmp, s3c_rtc_base + S3C2410_RTCALM); + + return 0; } static int s3c_rtc_setpie(struct device *dev, int enabled) @@ -308,7 +310,7 @@ static int s3c_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm) writeb(alrm_en, base + S3C2410_RTCALM); - s3c_rtc_setaie(alrm->enabled); + s3c_rtc_setaie(dev, alrm->enabled); return 0; } @@ -440,7 +442,7 @@ static int __devexit s3c_rtc_remove(struct platform_device *dev) rtc_device_unregister(rtc); s3c_rtc_setpie(&dev->dev, 0); - s3c_rtc_setaie(0); + s3c_rtc_setaie(&dev->dev, 0); clk_disable(rtc_clk); clk_put(rtc_clk); -- cgit v1.2.3 From 80d4bb515b78f38738f3378fd1be6039063ab040 Mon Sep 17 00:00:00 2001 From: John Stultz Date: Thu, 3 Feb 2011 11:34:50 -0800 Subject: 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 CC: Alessandro Zummo CC: Marcelo Roberto Jimenez CC: rtc-linux@googlegroups.com Signed-off-by: John Stultz --- 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, 209 deletions(-) (limited to 'drivers/rtc/rtc-s3c.c') diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index c7ff8df347e7..de632e793d46 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 34647fc1ee98..92da73d40e13 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 1db62db8469d..4db96fa306fc 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 b7a6690e5b35..0e7c15b24c1c 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 29e867a1aaa8..b216ae5389c8 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 af32a62e12a8..fde172fb2abe 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 b80fa2882408..80fb7e72f9d9 100644 --- a/drivers/rtc/rtc-s3c.c +++ b/drivers/rtc/rtc-s3c.c @@ -93,37 +93,6 @@ static int s3c_rtc_setaie(struct device *dev, unsigned int enabled) return 0; } -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); @@ -380,7 +349,6 @@ 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 5dfe5ffcb0d3..d47b3fc9830f 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 93314a9e7fa9..ff50a8bc13f6 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 769190ac6d11..86f14909f9db 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 db3832d5f280..0e2063acc260 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); -- cgit v1.2.3 From 696160fec162601d06940862b5b3aa4460344c1b Mon Sep 17 00:00:00 2001 From: John Stultz Date: Thu, 3 Feb 2011 12:02:07 -0800 Subject: RTC: Cleanup rtc_class_ops->irq_set_freq() With the generic rtc code now emulating PIE mode irqs via an hrtimer, no one calls the rtc_class_ops->irq_set_freq call. This patch removes the hook and deletes the driver functions if no one else calls them. CC: Thomas Gleixner CC: Alessandro Zummo CC: Marcelo Roberto Jimenez CC: rtc-linux@googlegroups.com Signed-off-by: John Stultz --- drivers/rtc/rtc-cmos.c | 26 -------------------------- drivers/rtc/rtc-davinci.c | 17 ----------------- drivers/rtc/rtc-pl031.c | 21 --------------------- drivers/rtc/rtc-pxa.c | 15 --------------- drivers/rtc/rtc-s3c.c | 1 - drivers/rtc/rtc-sa1100.c | 1 - drivers/rtc/rtc-sh.c | 1 - drivers/rtc/rtc-vr41xx.c | 21 --------------------- include/linux/rtc.h | 2 -- 9 files changed, 105 deletions(-) (limited to 'drivers/rtc/rtc-s3c.c') diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index de632e793d46..bdb1f8e2042a 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -375,31 +375,6 @@ static int cmos_set_alarm(struct device *dev, struct rtc_wkalrm *t) return 0; } -static int cmos_irq_set_freq(struct device *dev, int freq) -{ - struct cmos_rtc *cmos = dev_get_drvdata(dev); - int f; - unsigned long flags; - - if (!is_valid_irq(cmos->irq)) - return -ENXIO; - - if (!is_power_of_2(freq)) - return -EINVAL; - /* 0 = no irqs; 1 = 2^15 Hz ... 15 = 2^0 Hz */ - f = ffs(freq); - if (f-- > 16) - return -EINVAL; - f = 16 - f; - - spin_lock_irqsave(&rtc_lock, flags); - hpet_set_periodic_freq(freq); - CMOS_WRITE(RTC_REF_CLCK_32KHZ | f, RTC_FREQ_SELECT); - 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); @@ -482,7 +457,6 @@ static const struct rtc_class_ops cmos_rtc_ops = { .read_alarm = cmos_read_alarm, .set_alarm = cmos_set_alarm, .proc = cmos_procfs, - .irq_set_freq = cmos_irq_set_freq, .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 92da73d40e13..dfd98a235ad1 100644 --- a/drivers/rtc/rtc-davinci.c +++ b/drivers/rtc/rtc-davinci.c @@ -473,22 +473,6 @@ static int davinci_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm) return 0; } -static int davinci_rtc_irq_set_freq(struct device *dev, int freq) -{ - struct davinci_rtc *davinci_rtc = dev_get_drvdata(dev); - unsigned long flags; - u16 tmr_counter = (0x8000 >> (ffs(freq) - 1)); - - spin_lock_irqsave(&davinci_rtc_lock, flags); - - rtcss_write(davinci_rtc, tmr_counter & 0xFF, PRTCSS_RTC_TMR0); - rtcss_write(davinci_rtc, (tmr_counter & 0xFF00) >> 8, PRTCSS_RTC_TMR1); - - spin_unlock_irqrestore(&davinci_rtc_lock, flags); - - return 0; -} - static struct rtc_class_ops davinci_rtc_ops = { .ioctl = davinci_rtc_ioctl, .read_time = davinci_rtc_read_time, @@ -496,7 +480,6 @@ 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_freq = davinci_rtc_irq_set_freq, }; static int __init davinci_rtc_probe(struct platform_device *pdev) diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c index 0e7c15b24c1c..d829ea63c4fb 100644 --- a/drivers/rtc/rtc-pl031.c +++ b/drivers/rtc/rtc-pl031.c @@ -293,25 +293,6 @@ static int pl031_set_alarm(struct device *dev, struct rtc_wkalrm *alarm) return ret; } -static int pl031_irq_set_freq(struct device *dev, int freq) -{ - struct pl031_local *ldata = dev_get_drvdata(dev); - - /* Cant set timer if it is already enabled */ - if (readl(ldata->base + RTC_TCR) & RTC_TCR_EN) { - dev_err(dev, "can't change frequency while timer enabled\n"); - return -EINVAL; - } - - /* If self start bit in RTC_TCR is set timer will start here, - * but we never set that bit. Instead we start the timer when - * set_state is called with enabled == 1. - */ - writel(RTC_TIMER_FREQ / freq, ldata->base + RTC_TLR); - - return 0; -} - static int pl031_remove(struct amba_device *adev) { struct pl031_local *ldata = dev_get_drvdata(&adev->dev); @@ -408,7 +389,6 @@ 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_freq = pl031_irq_set_freq, }; /* And the second ST derivative */ @@ -418,7 +398,6 @@ 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_freq = pl031_irq_set_freq, }; static struct amba_id pl031_ids[] = { diff --git a/drivers/rtc/rtc-pxa.c b/drivers/rtc/rtc-pxa.c index b216ae5389c8..a1fdc802598a 100644 --- a/drivers/rtc/rtc-pxa.c +++ b/drivers/rtc/rtc-pxa.c @@ -209,20 +209,6 @@ static void pxa_rtc_release(struct device *dev) free_irq(pxa_rtc->irq_1Hz, dev); } -static int pxa_periodic_irq_set_freq(struct device *dev, int freq) -{ - struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev); - int period_ms; - - if (freq < 1 || freq > MAXFREQ_PERIODIC) - return -EINVAL; - - period_ms = 1000 / freq; - rtc_writel(pxa_rtc, PIAR, period_ms); - - return 0; -} - static int pxa_alarm_irq_enable(struct device *dev, unsigned int enabled) { struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev); @@ -336,7 +322,6 @@ 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_freq = pxa_periodic_irq_set_freq, }; static int __init pxa_rtc_probe(struct platform_device *pdev) diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c index 80fb7e72f9d9..714964913e5e 100644 --- a/drivers/rtc/rtc-s3c.c +++ b/drivers/rtc/rtc-s3c.c @@ -348,7 +348,6 @@ static const struct rtc_class_ops s3c_rtcops = { .set_time = s3c_rtc_settime, .read_alarm = s3c_rtc_getalarm, .set_alarm = s3c_rtc_setalarm, - .irq_set_freq = s3c_rtc_setfreq, .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 d47b3fc9830f..d1a2b0bc3b24 100644 --- a/drivers/rtc/rtc-sa1100.c +++ b/drivers/rtc/rtc-sa1100.c @@ -392,7 +392,6 @@ static const struct rtc_class_ops sa1100_rtc_ops = { .read_alarm = sa1100_rtc_read_alarm, .set_alarm = sa1100_rtc_set_alarm, .proc = sa1100_rtc_proc, - .irq_set_freq = sa1100_irq_set_freq, .alarm_irq_enable = sa1100_rtc_alarm_irq_enable, }; diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c index ff50a8bc13f6..148544979a54 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_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 86f14909f9db..c5698cda366a 100644 --- a/drivers/rtc/rtc-vr41xx.c +++ b/drivers/rtc/rtc-vr41xx.c @@ -207,26 +207,6 @@ static int vr41xx_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *wkalrm) return 0; } -static int vr41xx_rtc_irq_set_freq(struct device *dev, int freq) -{ - u64 count; - - if (!is_power_of_2(freq)) - return -EINVAL; - count = RTC_FREQUENCY; - do_div(count, freq); - - spin_lock_irq(&rtc_lock); - - periodic_count = count; - rtc1_write(RTCL1LREG, periodic_count); - rtc1_write(RTCL1HREG, periodic_count >> 16); - - spin_unlock_irq(&rtc_lock); - - return 0; -} - static int vr41xx_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) { switch (cmd) { @@ -298,7 +278,6 @@ static const struct rtc_class_ops vr41xx_rtc_ops = { .set_time = vr41xx_rtc_set_time, .read_alarm = vr41xx_rtc_read_alarm, .set_alarm = vr41xx_rtc_set_alarm, - .irq_set_freq = vr41xx_rtc_irq_set_freq, }; static int __devinit rtc_probe(struct platform_device *pdev) diff --git a/include/linux/rtc.h b/include/linux/rtc.h index 0e2063acc260..741a51cc4460 100644 --- a/include/linux/rtc.h +++ b/include/linux/rtc.h @@ -133,7 +133,6 @@ extern struct class *rtc_class; * The (current) exceptions are mostly filesystem hooks: * - the proc() hook for procfs * - non-ioctl() chardev hooks: open(), release(), read_callback() - * - periodic irq calls: irq_set_state(), irq_set_freq() * * REVISIT those periodic irq calls *do* have ops_lock when they're * issued through ioctl() ... @@ -148,7 +147,6 @@ 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_freq)(struct device *, int freq); int (*read_callback)(struct device *, int data); int (*alarm_irq_enable)(struct device *, unsigned int enabled); int (*update_irq_enable)(struct device *, unsigned int enabled); -- cgit v1.2.3