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authorFelipe Balbi <balbi@ti.com>2013-03-30 10:53:55 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-03-30 15:08:40 (GMT)
commit727b4ddb48dcd8c9ca81b58ca58191233bdf75aa (patch)
tree96088a843e63d336a39ce903aa49bec74c56d17a /drivers/usb/chipidea/ci.h
parentba8618e067907407ec84001adc11bc1f184d19a6 (diff)
downloadlinux-727b4ddb48dcd8c9ca81b58ca58191233bdf75aa.tar.xz
usb: chipidea: don't redefine __ffs()
chipidea's ffs_nr() is pretty much what __ffs() does. Use that one instead. Signed-off-by: Felipe Balbi <balbi@ti.com> [rebased on top of debug infrastructure rework] Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/chipidea/ci.h')
-rw-r--r--drivers/usb/chipidea/ci.h15
1 files changed, 1 insertions, 14 deletions
diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h
index c7d4622..68577d1 100644
--- a/drivers/usb/chipidea/ci.h
+++ b/drivers/usb/chipidea/ci.h
@@ -235,19 +235,6 @@ enum ci13xxx_regs {
};
/**
- * ffs_nr: find first (least significant) bit set
- * @x: the word to search
- *
- * This function returns bit number (instead of position)
- */
-static inline int ffs_nr(u32 x)
-{
- int n = ffs(x);
-
- return n ? n-1 : 32;
-}
-
-/**
* hw_read: reads from a hw register
* @reg: register index
* @mask: bitfield mask
@@ -305,7 +292,7 @@ static inline u32 hw_test_and_write(struct ci13xxx *ci, enum ci13xxx_regs reg,
u32 val = hw_read(ci, reg, ~0);
hw_write(ci, reg, mask, data);
- return (val & mask) >> ffs_nr(mask);
+ return (val & mask) >> __ffs(mask);
}
int hw_device_reset(struct ci13xxx *ci, u32 mode);