+ rtc-parisc-remove-redundant-locking.patch added to -mm tree

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The patch titled
     rtc-parisc: remove redundant locking
has been added to the -mm tree.  Its filename is
     rtc-parisc-remove-redundant-locking.patch

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*** Remember to use Documentation/SubmitChecklist when testing your code ***

See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this

The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/

------------------------------------------------------
Subject: rtc-parisc: remove redundant locking
From: dann frazier <dannf@xxxxxx>

The RTC subsystem proides ops locking, no need to implement our own

Signed-off-by: dann frazier <dannf@xxxxxx>
Cc: Alessandro Zummo <a.zummo@xxxxxxxxxxxx>
Cc: Kyle McMartin <kyle@xxxxxxxxxxx>
Cc: Grant Grundler <grundler@xxxxxxxxxxxxxxxx>
Cc: Matthew Wilcox <matthew@xxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 drivers/rtc/rtc-parisc.c |   12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff -puN drivers/rtc/rtc-parisc.c~rtc-parisc-remove-redundant-locking drivers/rtc/rtc-parisc.c
--- a/drivers/rtc/rtc-parisc.c~rtc-parisc-remove-redundant-locking
+++ a/drivers/rtc/rtc-parisc.c
@@ -14,17 +14,13 @@
 /* as simple as can be, and no simpler. */
 struct parisc_rtc {
 	struct rtc_device *rtc;
-	spinlock_t lock;
 };
 
 static int parisc_get_time(struct device *dev, struct rtc_time *tm)
 {
-	struct parisc_rtc *p = dev_get_drvdata(dev);
-	unsigned long flags, ret;
+	unsigned long ret;
 
-	spin_lock_irqsave(&p->lock, flags);
 	ret = get_rtc_time(tm);
-	spin_unlock_irqrestore(&p->lock, flags);
 
 	if (ret & RTC_BATT_BAD)
 		return -EOPNOTSUPP;
@@ -34,13 +30,9 @@ static int parisc_get_time(struct device
 
 static int parisc_set_time(struct device *dev, struct rtc_time *tm)
 {
-	struct parisc_rtc *p = dev_get_drvdata(dev);
-	unsigned long flags;
 	int ret;
 
-	spin_lock_irqsave(&p->lock, flags);
 	ret = set_rtc_time(tm);
-	spin_unlock_irqrestore(&p->lock, flags);
 
 	if (ret < 0)
 		return -EOPNOTSUPP;
@@ -61,8 +53,6 @@ static int __devinit parisc_rtc_probe(st
 	if (!p)
 		return -ENOMEM;
 
-	spin_lock_init(&p->lock);
-
 	p->rtc = rtc_device_register("rtc-parisc", &dev->dev, &parisc_rtc_ops,
 					THIS_MODULE);
 	if (IS_ERR(p->rtc)) {
_

Patches currently in -mm which might be from dannf@xxxxxx are

rtc-convert-leap_year-into-an-inline.patch
rtc-add-platform-driver-for-efi.patch
rtc-add-platform-driver-for-efi-fix.patch
rtc-parisc-add-a-missing-include-for-linux-rtch.patch
rtc-parisc-remove-redundant-locking.patch
rtc-parisc-remove-struct-parisc_rtc.patch
rtc-parisc-use-rtc_valid_tm-in-parisc_get_time.patch
rtc-parisc-use-platform_driver_probe.patch
rtc-parisc-declare-rtc_parisc_dev-as-static.patch
rtc-parisc-remove-unnecessary-ret-variable.patch
rtc-parisc-remove-a-couple-unnecessary-variables.patch
rtc-parisc-rename-p-pointer-to-rtc.patch

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