Staging: comedi: drivers.c sparse cleanup

Fix up some sparse issues in drivers.c

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index c26c644..c38ebb4 100644 (file)
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -351,9 +351,6 @@ void cleanup_polling(void);
 void start_polling(struct comedi_device *);
 void stop_polling(struct comedi_device *);
 
-int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,
-                    unsigned long new_size);
-
 #ifdef CONFIG_PROC_FS
 void comedi_proc_init(void);
 void comedi_proc_cleanup(void);

diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c
index f68fab9..1f48b6d 100644 (file)
--- a/drivers/staging/comedi/drivers.c
+++ b/drivers/staging/comedi/drivers.c
@@ -54,16 +54,9 @@ static int insn_rw_emulate_bits(struct comedi_device *dev,
 static void *comedi_recognize(struct comedi_driver *driv, const char *name);
 static void comedi_report_boards(struct comedi_driver *driv);
 static int poll_invalid(struct comedi_device *dev, struct comedi_subdevice *s);
-int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,
-                    unsigned long new_size);
 
 struct comedi_driver *comedi_drivers;
 
-int comedi_modprobe(int minor)
-{
-       return -EINVAL;
-}
-
 static void cleanup_device(struct comedi_device *dev)
 {
        int i;
@@ -84,7 +77,7 @@ static void cleanup_device(struct comedi_device *dev)
        }
        kfree(dev->private);
        dev->private = NULL;
-       dev->driver = 0;
+       dev->driver = NULL;
        dev->board_name = NULL;
        dev->board_ptr = NULL;
        dev->iobase = 0;
@@ -309,7 +302,7 @@ static int postconfig(struct comedi_device *dev)
 
 /* generic recognize function for drivers
  * that register their supported board names */
-void *comedi_recognize(struct comedi_driver *driv, const char *name)
+static void *comedi_recognize(struct comedi_driver *driv, const char *name)
 {
        unsigned i;
        const char *const *name_ptr = driv->board_name;
@@ -324,7 +317,7 @@ void *comedi_recognize(struct comedi_driver *driv, const char *name)
        return NULL;
 }
 
-void comedi_report_boards(struct comedi_driver *driv)
+static void comedi_report_boards(struct comedi_driver *driv)
 {
        unsigned int i;
        const char *const *name_ptr;
@@ -548,8 +541,8 @@ int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,
 
 /* munging is applied to data by core as it passes between user
  * and kernel space */
-unsigned int comedi_buf_munge(struct comedi_async *async,
-                             unsigned int num_bytes)
+static unsigned int comedi_buf_munge(struct comedi_async *async,
+                                    unsigned int num_bytes)
 {
        struct comedi_subdevice *s = async->subdevice;
        unsigned int count = 0;
@@ -812,8 +805,9 @@ void comedi_reset_async_buf(struct comedi_async *async)
        async->events = 0;
 }
 
-int comedi_auto_config(struct device *hardware_device, const char *board_name,
-                      const int *options, unsigned num_options)
+static int comedi_auto_config(struct device *hardware_device,
+                             const char *board_name, const int *options,
+                             unsigned num_options)
 {
        struct comedi_devconfig it;
        int minor;
@@ -858,7 +852,7 @@ cleanup:
        return retval;
 }
 
-void comedi_auto_unconfig(struct device *hardware_device)
+static void comedi_auto_unconfig(struct device *hardware_device)
 {
        unsigned *minor = (unsigned *)dev_get_drvdata(hardware_device);
        if (minor == NULL)

diff --git a/drivers/staging/comedi/internal.h b/drivers/staging/comedi/internal.h
index 55b8550..434ce34 100644 (file)
--- a/drivers/staging/comedi/internal.h
+++ b/drivers/staging/comedi/internal.h
@@ -8,3 +8,5 @@ int insn_inval(struct comedi_device *dev, struct comedi_subdevice *s,
 int comedi_alloc_board_minor(struct device *hardware_device);
 void comedi_free_board_minor(unsigned minor);
 void comedi_reset_async_buf(struct comedi_async *async);
+int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,
+                    unsigned long new_size);