The patch titled
Subject: drivers/rtc/rtc-x1205.c: use sign_extend32() for sign extension
has been removed from the -mm tree. Its filename was
rtc-x1205-use-sign_extend32-for-sign-extension.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Martin Kepplinger <martink@xxxxxxxxx>
Subject: drivers/rtc/rtc-x1205.c: use sign_extend32() for sign extension
Despite its name, sign_extend32() is safe to use for 8 bit types too.
(See https://lkml.org/lkml/2015/1/18/289).
Signed-off-by: Martin Kepplinger <martink@xxxxxxxxx>
Cc: Alessandro Zummo <a.zummo@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/rtc/rtc-x1205.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN drivers/rtc/rtc-x1205.c~rtc-x1205-use-sign_extend32-for-sign-extension drivers/rtc/rtc-x1205.c
--- a/drivers/rtc/rtc-x1205.c~rtc-x1205-use-sign_extend32-for-sign-extension
+++ a/drivers/rtc/rtc-x1205.c
@@ -22,6 +22,7 @@
#include <linux/rtc.h>
#include <linux/delay.h>
#include <linux/module.h>
+#include <linux/bitops.h>
#define DRV_VERSION "1.0.8"
@@ -366,8 +367,7 @@ static int x1205_get_atrim(struct i2c_cl
* perform sign extension. The formula is
* Catr = (atr * 0.25pF) + 11.00pF.
*/
- if (atr & 0x20)
- atr |= 0xC0;
+ atr = sign_extend32(atr, 5);
dev_dbg(&client->dev, "%s: raw atr=%x (%d)\n", __func__, atr, atr);
_
Patches currently in -mm which might be from martink@xxxxxxxxx are
origin.patch
linux-next.patch
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