linux-kernel - [PATCH 1/8] [Blackfin] RTC driver: if we dont define irq_set_freq, the common rtc-dev layer will give us the same behavior of returning ENOTTY

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Date:	Sun, 27 Jul 2008 14:38:20 +0800
From:	Bryan Wu <cooloney@...nel.org>
To:	a.zummo@...ertech.it, rtc-linux@...glegroups.com
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	Mike Frysinger <michael.frysinger@...log.com>,
	Bryan Wu <bryan.wu@...log.com>, Bryan Wu <cooloney@...nel.org>
Subject: [PATCH 1/8] [Blackfin] RTC driver: if we dont define irq_set_freq, the common rtc-dev layer will give us the same behavior of returning ENOTTY

From: Mike Frysinger <michael.frysinger@...log.com>

Signed-off-by: Mike Frysinger <michael.frysinger@...log.com>
Signed-off-by: Bryan Wu <bryan.wu@...log.com>
Signed-off-by: Bryan Wu <cooloney@...nel.org>
---
 drivers/rtc/rtc-bfin.c |   15 ---------------
 1 files changed, 0 insertions(+), 15 deletions(-)

diff --git a/drivers/rtc/rtc-bfin.c b/drivers/rtc/rtc-bfin.c
index 8624f55..48ada59 100644
--- a/drivers/rtc/rtc-bfin.c
+++ b/drivers/rtc/rtc-bfin.c
@@ -381,20 +381,6 @@ static int bfin_rtc_proc(struct device *dev, struct seq_file *seq)
 #undef yesno
 }
 
-/**
- *	bfin_irq_set_freq - make sure hardware supports requested freq
- *	@dev: pointer to RTC device structure
- *	@freq: requested frequency rate
- *
- *	The Blackfin RTC can only generate periodic events at 1 per
- *	second (1 Hz), so reject any attempt at changing it.
- */
-static int bfin_irq_set_freq(struct device *dev, int freq)
-{
-	dev_dbg_stamp(dev);
-	return -ENOTTY;
-}
-
 static struct rtc_class_ops bfin_rtc_ops = {
 	.open          = bfin_rtc_open,
 	.release       = bfin_rtc_release,
@@ -404,7 +390,6 @@ static struct rtc_class_ops bfin_rtc_ops = {
 	.read_alarm    = bfin_rtc_read_alarm,
 	.set_alarm     = bfin_rtc_set_alarm,
 	.proc          = bfin_rtc_proc,
-	.irq_set_freq  = bfin_irq_set_freq,
 };
 
 static int __devinit bfin_rtc_probe(struct platform_device *pdev)
-- 
1.5.6

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