MFD: ucb1x00-core: use mutexes instead of semaphores

Convert the ucb1x00 driver to use mutexes rather than the depreciated
semaphores for exclusive access to the ADC.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 2 insertions, 2 deletions

diff --git a/include/linux/mfd/ucb1x00.h b/include/linux/mfd/ucb1x00.h
index fd088cc6a4ca..a4b954381c2f 100644
--- a/include/linux/mfd/ucb1x00.h
+++ b/include/linux/mfd/ucb1x00.h
@@ -12,7 +12,7 @@
 
 #include <linux/mfd/mcp.h>
 #include <linux/gpio.h>
-#include <linux/semaphore.h>
+#include <linux/mutex.h>
 
 #define UCB_IO_DATA     0x00
 #define UCB_IO_DIR      0x01
@@ -124,7 +124,7 @@ struct ucb1x00 {
         spinlock_t              lock;
         struct mcp              *mcp;
         unsigned int            irq;
-        struct semaphore        adc_sem;
+        struct mutex            adc_mutex;
         spinlock_t              io_lock;
         u16                     id;
         u16                     io_dir;