Staging: comedi: Remove comedi_async typedef

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

27 files changed, 127 insertions, 124 deletions

diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index eac18a742b22..d38addd01d4a 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -275,7 +275,7 @@ static int do_devconfig_ioctl(struct comedi_device *dev, comedi_devconfig *arg)
 static int do_bufconfig_ioctl(struct comedi_device *dev, void *arg)
 {
 	comedi_bufconfig bc;
-	comedi_async *async;
+	struct comedi_async *async;
 	struct comedi_subdevice *s;
 	int ret = 0;
 
@@ -558,7 +558,7 @@ static int do_bufinfo_ioctl(struct comedi_device *dev, void *arg)
 {
 	comedi_bufinfo bi;
 	struct comedi_subdevice *s;
-	comedi_async *async;
+	struct comedi_async *async;
 
 	if (copy_from_user(&bi, arg, sizeof(comedi_bufinfo)))
 		return -EFAULT;
@@ -979,7 +979,7 @@ static int do_cmd_ioctl(struct comedi_device *dev, void *arg, void *file)
 {
 	comedi_cmd user_cmd;
 	struct comedi_subdevice *s;
-	comedi_async *async;
+	struct comedi_async *async;
 	int ret = 0;
 	unsigned int *chanlist_saver = NULL;
 
@@ -1384,7 +1384,7 @@ static int do_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
 
 void comedi_unmap(struct vm_area_struct *area)
 {
-	comedi_async *async;
+	struct comedi_async *async;
 	struct comedi_device *dev;
 
 	async = area->vm_private_data;
@@ -1405,7 +1405,7 @@ static int comedi_mmap(struct file *file, struct vm_area_struct *vma)
 	struct comedi_device_file_info *dev_file_info =
 	    comedi_get_device_file_info(minor);
 	struct comedi_device *dev = dev_file_info->device;
-	comedi_async *async = NULL;
+	struct comedi_async *async = NULL;
 	unsigned long start = vma->vm_start;
 	unsigned long size;
 	int n_pages;
@@ -1524,7 +1524,7 @@ static ssize_t comedi_write(struct file *file, const char *buf, size_t nbytes,
 			    loff_t *offset)
 {
 	struct comedi_subdevice *s;
-	comedi_async *async;
+	struct comedi_async *async;
 	int n, m, count = 0, retval = 0;
 	DECLARE_WAITQUEUE(wait, current);
 	const unsigned minor = iminor(file->f_dentry->d_inode);
@@ -1626,7 +1626,7 @@ static ssize_t comedi_read(struct file *file, char *buf, size_t nbytes,
 			   loff_t *offset)
 {
 	struct comedi_subdevice *s;
-	comedi_async *async;
+	struct comedi_async *async;
 	int n, m, count = 0, retval = 0;
 	DECLARE_WAITQUEUE(wait, current);
 	const unsigned minor = iminor(file->f_dentry->d_inode);
@@ -1735,7 +1735,7 @@ done:
  */
 void do_become_nonbusy(struct comedi_device *dev, struct comedi_subdevice *s)
 {
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 
 	comedi_set_subdevice_runflags(s, SRF_RUNNING, 0);
 #ifdef CONFIG_COMEDI_RT
@@ -2008,7 +2008,7 @@ void comedi_error(const struct comedi_device *dev, const char *s)
 
 void comedi_event(struct comedi_device *dev, struct comedi_subdevice *s)
 {
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	unsigned runflags = 0;
 	unsigned runflags_mask = 0;
 
diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index 4fba9e7d437e..1fdb093f9318 100644
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -121,7 +121,6 @@
 #define COMEDI_NUM_BOARD_MINORS 0x30
 #define COMEDI_FIRST_SUBDEVICE_MINOR COMEDI_NUM_BOARD_MINORS
 
-typedef struct comedi_async_struct comedi_async;
 typedef struct comedi_driver_struct comedi_driver;
 typedef struct comedi_lrange_struct comedi_lrange;
 
@@ -139,7 +138,7 @@ struct comedi_subdevice {
 
 	void *private;
 
-	comedi_async *async;
+	struct comedi_async *async;
 
 	void *lock;
 	void *busy;
@@ -196,7 +195,7 @@ struct comedi_buf_page {
 	dma_addr_t dma_addr;
 };
 
-struct comedi_async_struct {
+struct comedi_async {
 	struct comedi_subdevice *subdevice;
 
 	void *prealloc_buf;	/* pre-allocated buffer */
@@ -469,31 +468,31 @@ static inline void comedi_set_hw_dev(struct comedi_device *dev, struct device *h
 	}
 }
 
-int comedi_buf_put(comedi_async *async, short x);
-int comedi_buf_get(comedi_async *async, short *x);
+int comedi_buf_put(struct comedi_async *async, short x);
+int comedi_buf_get(struct comedi_async *async, short *x);
 
-unsigned int comedi_buf_write_n_available(comedi_async *async);
-unsigned int comedi_buf_write_alloc(comedi_async *async, unsigned int nbytes);
-unsigned int comedi_buf_write_alloc_strict(comedi_async *async,
+unsigned int comedi_buf_write_n_available(struct comedi_async *async);
+unsigned int comedi_buf_write_alloc(struct comedi_async *async, unsigned int nbytes);
+unsigned int comedi_buf_write_alloc_strict(struct comedi_async *async,
 	unsigned int nbytes);
-unsigned comedi_buf_write_free(comedi_async *async, unsigned int nbytes);
-unsigned comedi_buf_read_alloc(comedi_async *async, unsigned nbytes);
-unsigned comedi_buf_read_free(comedi_async *async, unsigned int nbytes);
-unsigned int comedi_buf_read_n_available(comedi_async *async);
-void comedi_buf_memcpy_to(comedi_async *async, unsigned int offset,
+unsigned comedi_buf_write_free(struct comedi_async *async, unsigned int nbytes);
+unsigned comedi_buf_read_alloc(struct comedi_async *async, unsigned nbytes);
+unsigned comedi_buf_read_free(struct comedi_async *async, unsigned int nbytes);
+unsigned int comedi_buf_read_n_available(struct comedi_async *async);
+void comedi_buf_memcpy_to(struct comedi_async *async, unsigned int offset,
 	const void *source, unsigned int num_bytes);
-void comedi_buf_memcpy_from(comedi_async *async, unsigned int offset,
+void comedi_buf_memcpy_from(struct comedi_async *async, unsigned int offset,
 	void *destination, unsigned int num_bytes);
-static inline unsigned comedi_buf_write_n_allocated(comedi_async *async)
+static inline unsigned comedi_buf_write_n_allocated(struct comedi_async *async)
 {
 	return async->buf_write_alloc_count - async->buf_write_count;
 }
-static inline unsigned comedi_buf_read_n_allocated(comedi_async *async)
+static inline unsigned comedi_buf_read_n_allocated(struct comedi_async *async)
 {
 	return async->buf_read_alloc_count - async->buf_read_count;
 }
 
-void comedi_reset_async_buf(comedi_async *async);
+void comedi_reset_async_buf(struct comedi_async *async);
 
 static inline void *comedi_aux_data(int options[], int n)
 {
diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c
index 32f3aca2d7f4..30e3beb6e97b 100644
--- a/drivers/staging/comedi/drivers.c
+++ b/drivers/staging/comedi/drivers.c
@@ -228,7 +228,7 @@ static int postconfig(struct comedi_device *dev)
 {
 	int i;
 	struct comedi_subdevice *s;
-	comedi_async *async = NULL;
+	struct comedi_async *async = NULL;
 	int ret;
 
 	for (i = 0; i < dev->n_subdevices; i++) {
@@ -245,7 +245,7 @@ static int postconfig(struct comedi_device *dev)
 				SDF_CMD_WRITE)) == 0);
 			BUG_ON(!s->do_cmdtest);
 
-			async = kzalloc(sizeof(comedi_async), GFP_KERNEL);
+			async = kzalloc(sizeof(struct comedi_async), GFP_KERNEL);
 			if (async == NULL) {
 				printk("failed to allocate async struct\n");
 				return -ENOMEM;
@@ -415,7 +415,7 @@ static inline unsigned long kvirt_to_kva(unsigned long adr)
 int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,
 	unsigned long new_size)
 {
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 
 	/* Round up new_size to multiple of PAGE_SIZE */
 	new_size = (new_size + PAGE_SIZE - 1) & PAGE_MASK;
@@ -536,7 +536,7 @@ 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(comedi_async *async, unsigned int num_bytes)
+unsigned int comedi_buf_munge(struct comedi_async *async, unsigned int num_bytes)
 {
 	struct comedi_subdevice *s = async->subdevice;
 	unsigned int count = 0;
@@ -580,7 +580,7 @@ unsigned int comedi_buf_munge(comedi_async *async, unsigned int num_bytes)
 	return count;
 }
 
-unsigned int comedi_buf_write_n_available(comedi_async *async)
+unsigned int comedi_buf_write_n_available(struct comedi_async *async)
 {
 	unsigned int free_end;
 	unsigned int nbytes;
@@ -600,7 +600,7 @@ unsigned int comedi_buf_write_n_available(comedi_async *async)
 }
 
 /* allocates chunk for the writer from free buffer space */
-unsigned int comedi_buf_write_alloc(comedi_async *async, unsigned int nbytes)
+unsigned int comedi_buf_write_alloc(struct comedi_async *async, unsigned int nbytes)
 {
 	unsigned int free_end = async->buf_read_count + async->prealloc_bufsz;
 
@@ -615,7 +615,7 @@ unsigned int comedi_buf_write_alloc(comedi_async *async, unsigned int nbytes)
 }
 
 /* allocates nothing unless it can completely fulfill the request */
-unsigned int comedi_buf_write_alloc_strict(comedi_async *async,
+unsigned int comedi_buf_write_alloc_strict(struct comedi_async *async,
 	unsigned int nbytes)
 {
 	unsigned int free_end = async->buf_read_count + async->prealloc_bufsz;
@@ -631,7 +631,7 @@ unsigned int comedi_buf_write_alloc_strict(comedi_async *async,
 }
 
 /* transfers a chunk from writer to filled buffer space */
-unsigned comedi_buf_write_free(comedi_async *async, unsigned int nbytes)
+unsigned comedi_buf_write_free(struct comedi_async *async, unsigned int nbytes)
 {
 	if ((int)(async->buf_write_count + nbytes -
 			async->buf_write_alloc_count) > 0) {
@@ -649,7 +649,7 @@ unsigned comedi_buf_write_free(comedi_async *async, unsigned int nbytes)
 }
 
 /* allocates a chunk for the reader from filled (and munged) buffer space */
-unsigned comedi_buf_read_alloc(comedi_async *async, unsigned nbytes)
+unsigned comedi_buf_read_alloc(struct comedi_async *async, unsigned nbytes)
 {
 	if ((int)(async->buf_read_alloc_count + nbytes - async->munge_count) >
 		0) {
@@ -663,7 +663,7 @@ unsigned comedi_buf_read_alloc(comedi_async *async, unsigned nbytes)
 }
 
 /* transfers control of a chunk from reader to free buffer space */
-unsigned comedi_buf_read_free(comedi_async *async, unsigned int nbytes)
+unsigned comedi_buf_read_free(struct comedi_async *async, unsigned int nbytes)
 {
 	/*  barrier insures data has been read out of buffer before read count is incremented */
 	smp_mb();
@@ -679,7 +679,7 @@ unsigned comedi_buf_read_free(comedi_async *async, unsigned int nbytes)
 	return nbytes;
 }
 
-void comedi_buf_memcpy_to(comedi_async *async, unsigned int offset,
+void comedi_buf_memcpy_to(struct comedi_async *async, unsigned int offset,
 	const void *data, unsigned int num_bytes)
 {
 	unsigned int write_ptr = async->buf_write_ptr + offset;
@@ -704,7 +704,7 @@ void comedi_buf_memcpy_to(comedi_async *async, unsigned int offset,
 	}
 }
 
-void comedi_buf_memcpy_from(comedi_async *async, unsigned int offset,
+void comedi_buf_memcpy_from(struct comedi_async *async, unsigned int offset,
 	void *dest, unsigned int nbytes)
 {
 	void *src;
@@ -730,7 +730,7 @@ void comedi_buf_memcpy_from(comedi_async *async, unsigned int offset,
 	}
 }
 
-unsigned int comedi_buf_read_n_available(comedi_async *async)
+unsigned int comedi_buf_read_n_available(struct comedi_async *async)
 {
 	unsigned num_bytes;
 
@@ -745,7 +745,7 @@ unsigned int comedi_buf_read_n_available(comedi_async *async)
 	return num_bytes;
 }
 
-int comedi_buf_get(comedi_async *async, short *x)
+int comedi_buf_get(struct comedi_async *async, short *x)
 {
 	unsigned int n = comedi_buf_read_n_available(async);
 
@@ -757,7 +757,7 @@ int comedi_buf_get(comedi_async *async, short *x)
 	return 1;
 }
 
-int comedi_buf_put(comedi_async *async, short x)
+int comedi_buf_put(struct comedi_async *async, short x)
 {
 	unsigned int n = comedi_buf_write_alloc_strict(async, sizeof(short));
 
@@ -770,7 +770,7 @@ int comedi_buf_put(comedi_async *async, short x)
 	return 1;
 }
 
-void comedi_reset_async_buf(comedi_async *async)
+void comedi_reset_async_buf(struct comedi_async *async)
 {
 	async->buf_write_alloc_count = 0;
 	async->buf_write_count = 0;
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
index d8c495ddaae7..9af284314913 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
@@ -1630,14 +1630,15 @@ void v_APCI3120_Interrupt(int irq, void *d)
 +----------------------------------------------------------------------------+
 */
 
-/*int i_APCI3120_InterruptHandleEos(struct comedi_device *dev)
+/*
+ * int i_APCI3120_InterruptHandleEos(struct comedi_device *dev)
 {
        int n_chan,i;
        short *data;
        struct comedi_subdevice *s=dev->subdevices+0;
-       comedi_async *async = s->async;
-       data=async->data+async->buf_int_ptr;//new samples added from here onwards
-       n_chan=devpriv->ui_AiNbrofChannels;
+       struct comedi_async *async = s->async;
+       data=async->data+async->buf_int_ptr;
+        n_chan=devpriv->ui_AiNbrofChannels;
 
        for(i=0;i<n_chan;i++)
          {
diff --git a/drivers/staging/comedi/drivers/adl_pci9111.c b/drivers/staging/comedi/drivers/adl_pci9111.c
index 587a94bf2244..cc6b1c6713c4 100644
--- a/drivers/staging/comedi/drivers/adl_pci9111.c
+++ b/drivers/staging/comedi/drivers/adl_pci9111.c
@@ -913,7 +913,7 @@ static irqreturn_t pci9111_interrupt(int irq, void *p_device PT_REGS_ARG)
 {
 	struct comedi_device *dev = p_device;
 	struct comedi_subdevice *subdevice = dev->read_subdev;
-	comedi_async *async;
+	struct comedi_async *async;
 	unsigned long irq_flags;
 	unsigned char intcsr;
 
diff --git a/drivers/staging/comedi/drivers/amplc_pci224.c b/drivers/staging/comedi/drivers/amplc_pci224.c
index 247b1eaaa17f..e575f7deb31d 100644
--- a/drivers/staging/comedi/drivers/amplc_pci224.c
+++ b/drivers/staging/comedi/drivers/amplc_pci224.c
@@ -1185,7 +1185,7 @@ static void
 pci224_ao_munge(struct comedi_device * dev, struct comedi_subdevice * s, void *data,
 	unsigned int num_bytes, unsigned int chan_index)
 {
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	short *array = data;
 	unsigned int length = num_bytes / sizeof(*array);
 	unsigned int offset;
diff --git a/drivers/staging/comedi/drivers/amplc_pci230.c b/drivers/staging/comedi/drivers/amplc_pci230.c
index ee5f20320256..99ffbd2a961c 100644
--- a/drivers/staging/comedi/drivers/amplc_pci230.c
+++ b/drivers/staging/comedi/drivers/amplc_pci230.c
@@ -1450,7 +1450,7 @@ static int pci230_ao_inttrig_scan_begin(struct comedi_device * dev,
 
 static void pci230_ao_start(struct comedi_device * dev, struct comedi_subdevice * s)
 {
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	comedi_cmd *cmd = &async->cmd;
 	unsigned long irqflags;
 
@@ -2147,7 +2147,7 @@ static void pci230_ai_start(struct comedi_device * dev, struct comedi_subdevice
 {
 	unsigned long irqflags;
 	unsigned short conv;
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	comedi_cmd *cmd = &async->cmd;
 
 	set_bit(AI_CMD_STARTED, &devpriv->state);
@@ -2300,7 +2300,7 @@ static int pci230_ai_cmd(struct comedi_device * dev, struct comedi_subdevice * s
 	unsigned char zgat;
 
 	/* Get the command. */
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	comedi_cmd *cmd = &async->cmd;
 
 	/*
@@ -2626,7 +2626,7 @@ static void pci230_handle_ao_nofifo(struct comedi_device * dev, struct comedi_su
 {
 	short data;
 	int i, ret;
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	comedi_cmd *cmd = &async->cmd;
 
 	if (!devpriv->ao_continuous && (devpriv->ao_scan_count == 0)) {
@@ -2661,7 +2661,7 @@ static void pci230_handle_ao_nofifo(struct comedi_device * dev, struct comedi_su
 /* Returns 0 if AO finished due to completion or error, 1 if still going. */
 static int pci230_handle_ao_fifo(struct comedi_device * dev, struct comedi_subdevice * s)
 {
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	comedi_cmd *cmd = &async->cmd;
 	unsigned int num_scans;
 	unsigned int room;
@@ -2769,7 +2769,7 @@ static void pci230_handle_ai(struct comedi_device * dev, struct comedi_subdevice
 	unsigned int i;
 	unsigned int todo;
 	unsigned int fifoamount;
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	unsigned int scanlen = async->cmd.scan_end_arg;
 
 	/* Determine number of samples to read. */
diff --git a/drivers/staging/comedi/drivers/cb_pcidas.c b/drivers/staging/comedi/drivers/cb_pcidas.c
index aa431466053e..53fa8ee0fb7b 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas.c
@@ -449,7 +449,7 @@ static comedi_driver driver_cb_pcidas = {
       detach:cb_pcidas_detach,
 };
 
-static int cb_pcidas_ai_rinsn(struct comedi_device * dev, struct comedi_subdevice * s,
+static int cb_pcidas_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice * s,
 	comedi_insn * insn, unsigned int * data);
 static int ai_config_insn(struct comedi_device * dev, struct comedi_subdevice * s,
 	comedi_insn * insn, unsigned int * data);
@@ -463,8 +463,9 @@ static int cb_pcidas_ai_cmd(struct comedi_device * dev, struct comedi_subdevice
 static int cb_pcidas_ai_cmdtest(struct comedi_device * dev, struct comedi_subdevice * s,
 	comedi_cmd * cmd);
 static int cb_pcidas_ao_cmd(struct comedi_device * dev, struct comedi_subdevice * s);
-static int cb_pcidas_ao_inttrig(struct comedi_device * dev, struct comedi_subdevice * subdev,
-	unsigned int trig_num);
+static int cb_pcidas_ao_inttrig(struct comedi_device *dev,
+				struct comedi_subdevice *subdev,
+				unsigned int trig_num);
 static int cb_pcidas_ao_cmdtest(struct comedi_device * dev, struct comedi_subdevice * s,
 	comedi_cmd * cmd);
 static irqreturn_t cb_pcidas_interrupt(int irq, void *d PT_REGS_ARG);
@@ -1164,7 +1165,7 @@ static int cb_pcidas_ai_cmdtest(struct comedi_device * dev, struct comedi_subdev
 
 static int cb_pcidas_ai_cmd(struct comedi_device * dev, struct comedi_subdevice * s)
 {
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	comedi_cmd *cmd = &async->cmd;
 	unsigned int bits;
 	unsigned long flags;
@@ -1364,7 +1365,7 @@ static int cb_pcidas_ao_cmdtest(struct comedi_device * dev, struct comedi_subdev
 
 static int cb_pcidas_ao_cmd(struct comedi_device * dev, struct comedi_subdevice * s)
 {
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	comedi_cmd *cmd = &async->cmd;
 	unsigned int i;
 	unsigned long flags;
@@ -1425,11 +1426,12 @@ static int cb_pcidas_ao_cmd(struct comedi_device * dev, struct comedi_subdevice
 	return 0;
 }
 
-static int cb_pcidas_ao_inttrig(struct comedi_device * dev, struct comedi_subdevice * s,
-	unsigned int trig_num)
+static int cb_pcidas_ao_inttrig(struct comedi_device *dev,
+				struct comedi_subdevice *s,
+				unsigned int trig_num)
 {
 	unsigned int num_bytes, num_points = thisboard->fifo_size;
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	comedi_cmd *cmd = &s->async->cmd;
 	unsigned long flags;
 
@@ -1478,7 +1480,7 @@ static irqreturn_t cb_pcidas_interrupt(int irq, void *d PT_REGS_ARG)
 {
 	struct comedi_device *dev = (struct comedi_device *) d;
 	struct comedi_subdevice *s = dev->read_subdev;
-	comedi_async *async;
+	struct comedi_async *async;
 	int status, s5933_status;
 	int half_fifo = thisboard->fifo_size / 2;
 	unsigned int num_samples, i;
@@ -1589,7 +1591,7 @@ static irqreturn_t cb_pcidas_interrupt(int irq, void *d PT_REGS_ARG)
 static void handle_ao_interrupt(struct comedi_device * dev, unsigned int status)
 {
 	struct comedi_subdevice *s = dev->write_subdev;
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	comedi_cmd *cmd = &async->cmd;
 	unsigned int half_fifo = thisboard->fifo_size / 2;
 	unsigned int num_points;
@@ -1642,7 +1644,7 @@ static void handle_ao_interrupt(struct comedi_device * dev, unsigned int status)
 	comedi_event(dev, s);
 }
 
-// cancel analog input command
+/* cancel analog input command */
 static int cb_pcidas_cancel(struct comedi_device * dev, struct comedi_subdevice * s)
 {
 	unsigned long flags;
@@ -1661,8 +1663,9 @@ static int cb_pcidas_cancel(struct comedi_device * dev, struct comedi_subdevice
 	return 0;
 }
 
-// cancel analog output command
-static int cb_pcidas_ao_cancel(struct comedi_device * dev, struct comedi_subdevice * s)
+/* cancel analog output command */
+static int cb_pcidas_ao_cancel(struct comedi_device *dev,
+			       struct comedi_subdevice *s)
 {
 	unsigned long flags;
 
diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c
index f1e121110332..345eeb6241bf 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas64.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas64.c
@@ -2681,7 +2681,7 @@ static inline void load_first_dma_descriptor(struct comedi_device * dev,
 
 static int ai_cmd(struct comedi_device * dev, struct comedi_subdevice * s)
 {
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	comedi_cmd *cmd = &async->cmd;
 	uint32_t bits;
 	unsigned int i;
@@ -2800,7 +2800,7 @@ static int ai_cmd(struct comedi_device * dev, struct comedi_subdevice * s)
 static void pio_drain_ai_fifo_16(struct comedi_device * dev)
 {
 	struct comedi_subdevice *s = dev->read_subdev;
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	comedi_cmd *cmd = &async->cmd;
 	unsigned int i;
 	uint16_t prepost_bits;
@@ -2867,7 +2867,7 @@ static void pio_drain_ai_fifo_16(struct comedi_device * dev)
 static void pio_drain_ai_fifo_32(struct comedi_device * dev)
 {
 	struct comedi_subdevice *s = dev->read_subdev;
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	comedi_cmd *cmd = &async->cmd;
 	unsigned int i;
 	unsigned int max_transfer = 100000;
@@ -2908,7 +2908,7 @@ static void pio_drain_ai_fifo(struct comedi_device * dev)
 
 static void drain_dma_buffers(struct comedi_device * dev, unsigned int channel)
 {
-	comedi_async *async = dev->read_subdev->async;
+	struct comedi_async *async = dev->read_subdev->async;
 	uint32_t next_transfer_addr;
 	int j;
 	int num_samples = 0;
@@ -2956,7 +2956,7 @@ void handle_ai_interrupt(struct comedi_device * dev, unsigned short status,
 	unsigned int plx_status)
 {
 	struct comedi_subdevice *s = dev->read_subdev;
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	comedi_cmd *cmd = &async->cmd;
 	uint8_t dma1_status;
 	unsigned long flags;
@@ -3078,7 +3078,7 @@ static void handle_ao_interrupt(struct comedi_device * dev, unsigned short statu
 	unsigned int plx_status)
 {
 	struct comedi_subdevice *s = dev->write_subdev;
-	comedi_async *async;
+	struct comedi_async *async;
 	comedi_cmd *cmd;
 	uint8_t dma0_status;
 	unsigned long flags;
diff --git a/drivers/staging/comedi/drivers/comedi_fc.c b/drivers/staging/comedi/drivers/comedi_fc.c
index 8e7ec147285d..9fa4cdc84d44 100644
--- a/drivers/staging/comedi/drivers/comedi_fc.c
+++ b/drivers/staging/comedi/drivers/comedi_fc.c
@@ -31,7 +31,7 @@
 static void increment_scan_progress(struct comedi_subdevice *subd,
 				    unsigned int num_bytes)
 {
-	comedi_async *async = subd->async;
+	struct comedi_async *async = subd->async;
 	unsigned int scan_length = cfc_bytes_per_scan(subd);
 
 	async->scan_progress += num_bytes;
@@ -45,7 +45,7 @@ static void increment_scan_progress(struct comedi_subdevice *subd,
 unsigned int cfc_write_array_to_buffer(struct comedi_subdevice *subd, void *data,
 				       unsigned int num_bytes)
 {
-	comedi_async *async = subd->async;
+	struct comedi_async *async = subd->async;
 	unsigned int retval;
 
 	if (num_bytes == 0)
@@ -70,7 +70,7 @@ EXPORT_SYMBOL(cfc_write_array_to_buffer);
 unsigned int cfc_read_array_from_buffer(struct comedi_subdevice *subd, void *data,
 					unsigned int num_bytes)
 {
-	comedi_async *async = subd->async;
+	struct comedi_async *async = subd->async;
 
 	if (num_bytes == 0)
 		return 0;
diff --git a/drivers/staging/comedi/drivers/comedi_rt_timer.c b/drivers/staging/comedi/drivers/comedi_rt_timer.c
index 76a1cdcfcd1c..93a43bdf3bcf 100644
--- a/drivers/staging/comedi/drivers/comedi_rt_timer.c
+++ b/drivers/staging/comedi/drivers/comedi_rt_timer.c
@@ -292,7 +292,7 @@ static void scan_task_func(comedi_rt_task_context_t d)
 {
 	struct comedi_device *dev = (struct comedi_device *) d;
 	struct comedi_subdevice *s = dev->subdevices + 0;
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	comedi_cmd *cmd = &async->cmd;
 	int i, ret;
 	unsigned long long n;
@@ -580,7 +580,7 @@ static int timer_inttrig(struct comedi_device * dev, struct comedi_subdevice * s
 
 static int timer_start_cmd(struct comedi_device * dev, struct comedi_subdevice * s)
 {
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	comedi_cmd *cmd = &async->cmd;
 	RTIME now, delay, period;
 	int ret;
diff --git a/drivers/staging/comedi/drivers/comedi_test.c b/drivers/staging/comedi/drivers/comedi_test.c
index 462d453eb88f..f8baf83c588c 100644
--- a/drivers/staging/comedi/drivers/comedi_test.c
+++ b/drivers/staging/comedi/drivers/comedi_test.c
@@ -144,7 +144,7 @@ static const comedi_lrange waveform_ai_ranges = {
 static void waveform_ai_interrupt(unsigned long arg)
 {
 	struct comedi_device *dev = (struct comedi_device *) arg;
-	comedi_async *async = dev->read_subdev->async;
+	struct comedi_async *async = dev->read_subdev->async;
 	comedi_cmd *cmd = &async->cmd;
 	unsigned int i, j;
 	/* all times in microsec */
diff --git a/drivers/staging/comedi/drivers/das16.c b/drivers/staging/comedi/drivers/das16.c
index 94e59a5c6629..7e51137fcf5c 100644
--- a/drivers/staging/comedi/drivers/das16.c
+++ b/drivers/staging/comedi/drivers/das16.c
@@ -895,7 +895,7 @@ static int das16_cmd_test(struct comedi_device * dev, struct comedi_subdevice *
 
 static int das16_cmd_exec(struct comedi_device * dev, struct comedi_subdevice * s)
 {
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	comedi_cmd *cmd = &async->cmd;
 	unsigned int byte;
 	unsigned long flags;
@@ -1201,7 +1201,7 @@ static void das16_interrupt(struct comedi_device * dev)
 {
 	unsigned long dma_flags, spin_flags;
 	struct comedi_subdevice *s = dev->read_subdev;
-	comedi_async *async;
+	struct comedi_async *async;
 	comedi_cmd *cmd;
 	int num_bytes, residue;
 	int buffer_index;
diff --git a/drivers/staging/comedi/drivers/das16m1.c b/drivers/staging/comedi/drivers/das16m1.c
index c337c803ec1e..48211a87961e 100644
--- a/drivers/staging/comedi/drivers/das16m1.c
+++ b/drivers/staging/comedi/drivers/das16m1.c
@@ -324,7 +324,7 @@ static int das16m1_cmd_test(struct comedi_device * dev, struct comedi_subdevice
 
 static int das16m1_cmd_exec(struct comedi_device * dev, struct comedi_subdevice * s)
 {
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	comedi_cmd *cmd = &async->cmd;
 	unsigned int byte, i;
 
@@ -517,7 +517,7 @@ static void munge_sample_array(short * array, unsigned int num_elements)
 static void das16m1_handler(struct comedi_device * dev, unsigned int status)
 {
 	struct comedi_subdevice *s;
-	comedi_async *async;
+	struct comedi_async *async;
 	comedi_cmd *cmd;
 	u16 num_samples;
 	u16 hw_counter;
diff --git a/drivers/staging/comedi/drivers/das1800.c b/drivers/staging/comedi/drivers/das1800.c
index 5a63a00d1a4c..47d92c70ca0a 100644
--- a/drivers/staging/comedi/drivers/das1800.c
+++ b/drivers/staging/comedi/drivers/das1800.c
@@ -912,7 +912,7 @@ static irqreturn_t das1800_interrupt(int irq, void *d PT_REGS_ARG)
 static void das1800_ai_handler(struct comedi_device * dev)
 {
 	struct comedi_subdevice *s = dev->subdevices + 0;	/* analog input subdevice */
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	comedi_cmd *cmd = &async->cmd;
 	unsigned int status = inb(dev->iobase + DAS1800_STATUS);
 
@@ -1493,7 +1493,7 @@ static int das1800_ai_do_cmd(struct comedi_device * dev, struct comedi_subdevice
 {
 	int ret;
 	int control_a, control_c;
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	comedi_cmd cmd = async->cmd;
 
 	if (!dev->irq) {
diff --git a/drivers/staging/comedi/drivers/das800.c b/drivers/staging/comedi/drivers/das800.c
index 7833e56b0124..92df82216f3e 100644
--- a/drivers/staging/comedi/drivers/das800.c
+++ b/drivers/staging/comedi/drivers/das800.c
@@ -349,7 +349,7 @@ static irqreturn_t das800_interrupt(int irq, void *d PT_REGS_ARG)
 	short dataPoint = 0;
 	struct comedi_device *dev = d;
 	struct comedi_subdevice *s = dev->read_subdev;	/* analog input subdevice */
-	comedi_async *async;
+	struct comedi_async *async;
 	int status;
 	unsigned long irq_flags;
 	static const int max_loops = 128;	// half-fifo size for cio-das802/16
@@ -714,7 +714,7 @@ static int das800_ai_do_cmd(struct comedi_device * dev, struct comedi_subdevice
 	int startChan, endChan, scan, gain;
 	int conv_bits;
 	unsigned long irq_flags;
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 
 	if (!dev->irq) {
 		comedi_error(dev,
diff --git a/drivers/staging/comedi/drivers/gsc_hpdi.c b/drivers/staging/comedi/drivers/gsc_hpdi.c
index fb91fa1da839..aefee40710c1 100644
--- a/drivers/staging/comedi/drivers/gsc_hpdi.c
+++ b/drivers/staging/comedi/drivers/gsc_hpdi.c
@@ -838,7 +838,7 @@ static int di_cmd(struct comedi_device * dev, struct comedi_subdevice * s)
 {
 	uint32_t bits;
 	unsigned long flags;
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	comedi_cmd *cmd = &async->cmd;
 
 	hpdi_writel(dev, RX_FIFO_RESET_BIT, BOARD_CONTROL_REG);
@@ -897,7 +897,7 @@ static int hpdi_cmd(struct comedi_device * dev, struct comedi_subdevice * s)
 
 static void drain_dma_buffers(struct comedi_device * dev, unsigned int channel)
 {
-	comedi_async *async = dev->read_subdev->async;
+	struct comedi_async *async = dev->read_subdev->async;
 	uint32_t next_transfer_addr;
 	int j;
 	int num_samples = 0;
@@ -945,7 +945,7 @@ static irqreturn_t handle_interrupt(int irq, void *d PT_REGS_ARG)
 {
 	struct comedi_device *dev = d;
 	struct comedi_subdevice *s = dev->read_subdev;
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	uint32_t hpdi_intr_status, hpdi_board_status;
 	uint32_t plx_status;
 	uint32_t plx_bits;
diff --git a/drivers/staging/comedi/drivers/mite.c b/drivers/staging/comedi/drivers/mite.c
index e0e2d6c90ac3..ae9017744537 100644
--- a/drivers/staging/comedi/drivers/mite.c
+++ b/drivers/staging/comedi/drivers/mite.c
@@ -317,7 +317,7 @@ void mite_dma_arm(struct mite_channel *mite_chan)
 
 /**************************************/
 
-int mite_buf_change(struct mite_dma_descriptor_ring *ring, comedi_async * async)
+int mite_buf_change(struct mite_dma_descriptor_ring *ring, struct comedi_async * async)
 {
 	unsigned int n_links;
 	int i;
@@ -526,7 +526,7 @@ void mite_dma_disarm(struct mite_channel *mite_chan)
 	writel(chor, mite->mite_io_addr + MITE_CHOR(mite_chan->channel));
 }
 
-int mite_sync_input_dma(struct mite_channel *mite_chan, comedi_async * async)
+int mite_sync_input_dma(struct mite_channel *mite_chan, struct comedi_async * async)
 {
 	int count;
 	unsigned int nbytes, old_alloc_count;
@@ -561,7 +561,7 @@ int mite_sync_input_dma(struct mite_channel *mite_chan, comedi_async * async)
 	return 0;
 }
 
-int mite_sync_output_dma(struct mite_channel *mite_chan, comedi_async * async)
+int mite_sync_output_dma(struct mite_channel *mite_chan, struct comedi_async * async)
 {
 	int count;
 	u32 nbytes_ub, nbytes_lb;
diff --git a/drivers/staging/comedi/drivers/mite.h b/drivers/staging/comedi/drivers/mite.h
index bca9f3af7adb..cdaf8a31688a 100644
--- a/drivers/staging/comedi/drivers/mite.h
+++ b/drivers/staging/comedi/drivers/mite.h
@@ -142,8 +142,8 @@ void mite_release_channel(struct mite_channel *mite_chan);
 unsigned mite_dma_tcr(struct mite_channel *mite_chan);
 void mite_dma_arm(struct mite_channel *mite_chan);
 void mite_dma_disarm(struct mite_channel *mite_chan);
-int mite_sync_input_dma(struct mite_channel *mite_chan, comedi_async * async);
-int mite_sync_output_dma(struct mite_channel *mite_chan, comedi_async * async);
+int mite_sync_input_dma(struct mite_channel *mite_chan, struct comedi_async * async);
+int mite_sync_output_dma(struct mite_channel *mite_chan, struct comedi_async * async);
 u32 mite_bytes_written_to_memory_lb(struct mite_channel *mite_chan);
 u32 mite_bytes_written_to_memory_ub(struct mite_channel *mite_chan);
 u32 mite_bytes_read_from_memory_lb(struct mite_channel *mite_chan);
@@ -153,7 +153,7 @@ unsigned mite_get_status(struct mite_channel *mite_chan);
 int mite_done(struct mite_channel *mite_chan);
 
 #if 0
-unsigned long mite_ll_from_kvmem(struct mite_struct *mite, comedi_async * async,
+unsigned long mite_ll_from_kvmem(struct mite_struct *mite, struct comedi_async * async,
 	int len);
 void mite_setregs(struct mite_struct *mite, unsigned long ll_start, int chan,
 	int dir);
@@ -162,7 +162,7 @@ void mite_setregs(struct mite_struct *mite, unsigned long ll_start, int chan,
 void mite_prep_dma(struct mite_channel *mite_chan,
 	unsigned int num_device_bits, unsigned int num_memory_bits);
 int mite_buf_change(struct mite_dma_descriptor_ring *ring,
-	comedi_async *async);
+	struct comedi_async *async);
 
 #ifdef DEBUG_MITE
 void mite_print_chsr(unsigned int chsr);
diff --git a/drivers/staging/comedi/drivers/ni_at_a2150.c b/drivers/staging/comedi/drivers/ni_at_a2150.c
index 4ac5313ea43f..c15568d3cd46 100644
--- a/drivers/staging/comedi/drivers/ni_at_a2150.c
+++ b/drivers/staging/comedi/drivers/ni_at_a2150.c
@@ -214,7 +214,7 @@ static irqreturn_t a2150_interrupt(int irq, void *d PT_REGS_ARG)
 	unsigned long flags;
 	struct comedi_device *dev = d;
 	struct comedi_subdevice *s = dev->read_subdev;
-	comedi_async *async;
+	struct comedi_async *async;
 	comedi_cmd *cmd;
 	unsigned int max_points, num_points, residue, leftover;
 	short dpnt;
@@ -617,7 +617,7 @@ static int a2150_ai_cmdtest(struct comedi_device * dev, struct comedi_subdevice
 
 static int a2150_ai_cmd(struct comedi_device * dev, struct comedi_subdevice * s)
 {
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	comedi_cmd *cmd = &async->cmd;
 	unsigned long lock_flags;
 	unsigned int old_config_bits = devpriv->config_bits;
diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c
index be528f6c3ab0..6ba97da42def 100644
--- a/drivers/staging/comedi/drivers/ni_labpc.c
+++ b/drivers/staging/comedi/drivers/ni_labpc.c
@@ -1068,7 +1068,7 @@ static int labpc_ai_cmd(struct comedi_device * dev, struct comedi_subdevice * s)
 	int channel, range, aref;
 	unsigned long irq_flags;
 	int ret;
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	comedi_cmd *cmd = &async->cmd;
 	enum transfer_type xfer;
 	unsigned long flags;
@@ -1313,7 +1313,7 @@ static irqreturn_t labpc_interrupt(int irq, void *d PT_REGS_ARG)
 {
 	struct comedi_device *dev = d;
 	struct comedi_subdevice *s = dev->read_subdev;
-	comedi_async *async;
+	struct comedi_async *async;
 	comedi_cmd *cmd;
 
 	if (dev->attached == 0) {
@@ -1397,7 +1397,7 @@ static int labpc_drain_fifo(struct comedi_device * dev)
 {
 	unsigned int lsb, msb;
 	short data;
-	comedi_async *async = dev->read_subdev->async;
+	struct comedi_async *async = dev->read_subdev->async;
 	const int timeout = 10000;
 	unsigned int i;
 
@@ -1430,7 +1430,7 @@ static int labpc_drain_fifo(struct comedi_device * dev)
 static void labpc_drain_dma(struct comedi_device * dev)
 {
 	struct comedi_subdevice *s = dev->read_subdev;
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	int status;
 	unsigned long flags;
 	unsigned int max_points, num_points, residue, leftover;
diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c
index 29698d995a19..8f3c959f6265 100644
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -1206,7 +1206,7 @@ static void ni_mio_print_status_b(int status)
 
 static void ni_ao_fifo_load(struct comedi_device * dev, struct comedi_subdevice * s, int n)
 {
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	comedi_cmd *cmd = &async->cmd;
 	int chan;
 	int i;
@@ -1309,7 +1309,7 @@ static int ni_ao_prep_fifo(struct comedi_device * dev, struct comedi_subdevice *
 
 static void ni_ai_fifo_read(struct comedi_device * dev, struct comedi_subdevice * s, int n)
 {
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	int i;
 
 	if (boardtype.reg_type == ni_reg_611x) {
@@ -1516,7 +1516,7 @@ static void get_last_sample_6143(struct comedi_device * dev)
 static void ni_ai_munge(struct comedi_device * dev, struct comedi_subdevice * s,
 	void *data, unsigned int num_bytes, unsigned int chan_index)
 {
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	unsigned int i;
 	unsigned int length = num_bytes / bytes_per_sample(s);
 	short *array = data;
@@ -2780,7 +2780,7 @@ static int ni_ai_config_analog_trig(struct comedi_device * dev, struct comedi_su
 static void ni_ao_munge(struct comedi_device * dev, struct comedi_subdevice * s,
 	void *data, unsigned int num_bytes, unsigned int chan_index)
 {
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	unsigned int range;
 	unsigned int i;
 	unsigned int offset;
diff --git a/drivers/staging/comedi/drivers/ni_pcidio.c b/drivers/staging/comedi/drivers/ni_pcidio.c
index 79457ecbafbe..d75939bcca17 100644
--- a/drivers/staging/comedi/drivers/ni_pcidio.c
+++ b/drivers/staging/comedi/drivers/ni_pcidio.c
@@ -481,7 +481,7 @@ static irqreturn_t nidio_interrupt(int irq, void *d PT_REGS_ARG)
 {
 	struct comedi_device *dev = d;
 	struct comedi_subdevice *s = dev->subdevices;
-	comedi_async *async = s->async;
+	struct comedi_async *async = s->async;
 	struct mite_struct *mite = devpriv->mite;
 
 	//int i, j;
diff --git a/drivers/staging/comedi/drivers/ni_tio.h b/drivers/staging/comedi/drivers/ni_tio.h
index 97a925999ff9..e5dbd82826b0 100644
--- a/drivers/staging/comedi/drivers/ni_tio.h
+++ b/drivers/staging/comedi/drivers/ni_tio.h
@@ -145,7 +145,7 @@ extern int ni_tio_insn_config(struct ni_gpct *counter,
 	comedi_insn * insn, unsigned int * data);
 extern int ni_tio_winsn(struct ni_gpct *counter,
 	comedi_insn * insn, unsigned int * data);
-extern int ni_tio_cmd(struct ni_gpct *counter, comedi_async * async);
+extern int ni_tio_cmd(struct ni_gpct *counter, struct comedi_async *async);
 extern int ni_tio_cmdtest(struct ni_gpct *counter, comedi_cmd * cmd);
 extern int ni_tio_cancel(struct ni_gpct *counter);
 extern void ni_tio_handle_interrupt(struct ni_gpct *counter,
diff --git a/drivers/staging/comedi/drivers/ni_tiocmd.c b/drivers/staging/comedi/drivers/ni_tiocmd.c
index dffaafe9d5fa..2c3a21771875 100644
--- a/drivers/staging/comedi/drivers/ni_tiocmd.c
+++ b/drivers/staging/comedi/drivers/ni_tiocmd.c
@@ -121,7 +121,7 @@ static int ni_tio_input_inttrig(struct comedi_device * dev, struct comedi_subdev
 	return retval;
 }
 
-static int ni_tio_input_cmd(struct ni_gpct *counter, comedi_async * async)
+static int ni_tio_input_cmd(struct ni_gpct *counter, struct comedi_async *async)
 {
 	struct ni_gpct_device *counter_dev = counter->counter_dev;
 	comedi_cmd *cmd = &async->cmd;
@@ -169,7 +169,7 @@ static int ni_tio_input_cmd(struct ni_gpct *counter, comedi_async * async)
 	return retval;
 }
 
-static int ni_tio_output_cmd(struct ni_gpct *counter, comedi_async * async)
+static int ni_tio_output_cmd(struct ni_gpct *counter, struct comedi_async *async)
 {
 	rt_printk("ni_tio: output commands not yet implemented.\n");
 	return -ENOTSUPP;
@@ -181,7 +181,7 @@ static int ni_tio_output_cmd(struct ni_gpct *counter, comedi_async * async)
 	return ni_tio_arm(counter, 1, NI_GPCT_ARM_IMMEDIATE);
 }
 
-static int ni_tio_cmd_setup(struct ni_gpct *counter, comedi_async * async)
+static int ni_tio_cmd_setup(struct ni_gpct *counter, struct comedi_async *async)
 {
 	comedi_cmd *cmd = &async->cmd;
 	int set_gate_source = 0;
@@ -207,7 +207,7 @@ static int ni_tio_cmd_setup(struct ni_gpct *counter, comedi_async * async)
 	return retval;
 }
 
-int ni_tio_cmd(struct ni_gpct *counter, comedi_async * async)
+int ni_tio_cmd(struct ni_gpct *counter, struct comedi_async *async)
 {
 	comedi_cmd *cmd = &async->cmd;
 	int retval = 0;
diff --git a/drivers/staging/comedi/kcomedilib/get.c b/drivers/staging/comedi/kcomedilib/get.c
index 8237716a20c6..8890fcb7c1c5 100644
--- a/drivers/staging/comedi/kcomedilib/get.c
+++ b/drivers/staging/comedi/kcomedilib/get.c
@@ -175,7 +175,7 @@ unsigned int comedi_get_buf_head_pos(void *d, unsigned int subdevice)
 {
 	struct comedi_device *dev = (struct comedi_device *) d;
 	struct comedi_subdevice *s = dev->subdevices + subdevice;
-	comedi_async *async;
+	struct comedi_async *async;
 
 	async = s->async;
 	if (async == NULL)
@@ -188,7 +188,7 @@ int comedi_get_buffer_contents(void *d, unsigned int subdevice)
 {
 	struct comedi_device *dev = (struct comedi_device *) d;
 	struct comedi_subdevice *s = dev->subdevices + subdevice;
-	comedi_async *async;
+	struct comedi_async *async;
 	unsigned int num_bytes;
 
 	if (subdevice >= dev->n_subdevices)
@@ -208,7 +208,7 @@ int comedi_set_user_int_count(void *d, unsigned int subdevice,
 {
 	struct comedi_device *dev = (struct comedi_device *) d;
 	struct comedi_subdevice *s = dev->subdevices + subdevice;
-	comedi_async *async;
+	struct comedi_async *async;
 	int num_bytes;
 
 	async = s->async;
@@ -229,7 +229,7 @@ int comedi_mark_buffer_read(void *d, unsigned int subdevice,
 {
 	struct comedi_device *dev = (struct comedi_device *) d;
 	struct comedi_subdevice *s = dev->subdevices + subdevice;
-	comedi_async *async;
+	struct comedi_async *async;
 
 	if (subdevice >= dev->n_subdevices)
 		return -1;
@@ -248,7 +248,7 @@ int comedi_mark_buffer_written(void *d, unsigned int subdevice,
 {
 	struct comedi_device *dev = (struct comedi_device *) d;
 	struct comedi_subdevice *s = dev->subdevices + subdevice;
-	comedi_async *async;
+	struct comedi_async *async;
 	int bytes_written;
 
 	if (subdevice >= dev->n_subdevices)
@@ -267,7 +267,7 @@ int comedi_get_buffer_size(void *d, unsigned int subdev)
 {
 	struct comedi_device *dev = (struct comedi_device *) d;
 	struct comedi_subdevice *s = dev->subdevices + subdev;
-	comedi_async *async;
+	struct comedi_async *async;
 
 	if (subdev >= dev->n_subdevices)
 		return -1;
@@ -282,7 +282,7 @@ int comedi_get_buffer_offset(void *d, unsigned int subdevice)
 {
 	struct comedi_device *dev = (struct comedi_device *) d;
 	struct comedi_subdevice *s = dev->subdevices + subdevice;
-	comedi_async *async;
+	struct comedi_async *async;
 
 	if (subdevice >= dev->n_subdevices)
 		return -1;
diff --git a/drivers/staging/comedi/kcomedilib/kcomedilib_main.c b/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
index 928e93500bbf..31b749d4962a 100644
--- a/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
+++ b/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
@@ -125,7 +125,7 @@ int comedi_command(void *d, comedi_cmd *cmd)
 {
 	struct comedi_device *dev = (struct comedi_device *) d;
 	struct comedi_subdevice *s;
-	comedi_async *async;
+	struct comedi_async *async;
 	unsigned runflags;
 
 	if (cmd->subdev >= dev->n_subdevices)
@@ -372,7 +372,7 @@ int comedi_unlock(void *d, unsigned int subdevice)
 	struct comedi_device *dev = (struct comedi_device *) d;
 	struct comedi_subdevice *s;
 	unsigned long flags;
-	comedi_async *async;
+	struct comedi_async *async;
 	int ret;
 
 	if (subdevice >= dev->n_subdevices)
@@ -469,7 +469,7 @@ int comedi_register_callback(void *d, unsigned int subdevice,
 {
 	struct comedi_device *dev = (struct comedi_device *) d;
 	struct comedi_subdevice *s;
-	comedi_async *async;
+	struct comedi_async *async;
 
 	if (subdevice >= dev->n_subdevices)
 		return -EINVAL;
@@ -505,7 +505,7 @@ int comedi_poll(void *d, unsigned int subdevice)
 {
 	struct comedi_device *dev = (struct comedi_device *) d;
 	struct comedi_subdevice *s = dev->subdevices;
-	comedi_async *async;
+	struct comedi_async *async;
 
 	if (subdevice >= dev->n_subdevices)
 		return -EINVAL;