staging: comedi: me4000: remove thisboard macro

This macro relies on a local variable having a specific name.
Remove it and use the comedi_board() helper to get the pointer.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/drivers/me4000.c b/drivers/staging/comedi/drivers/me4000.c
index 3ffaa39..a3d9136 100644 (file)
--- a/drivers/staging/comedi/drivers/me4000.c
+++ b/drivers/staging/comedi/drivers/me4000.c
@@ -221,7 +221,7 @@ static int me4000_probe(struct comedi_device *dev, struct comedi_devconfig *it)
 {
        struct pci_dev *pci_device = NULL;
        int result, i;
-       struct me4000_board *board;
+       const struct me4000_board *board;
 
        /* Allocate private memory */
        if (alloc_private(dev, sizeof(struct me4000_info)) < 0)
@@ -254,9 +254,7 @@ static int me4000_probe(struct comedi_device *dev, struct comedi_devconfig *it)
                                                }
                                        }
                                        dev->board_ptr = me4000_boards + i;
-                                       board =
-                                           (struct me4000_board *)
-                                           dev->board_ptr;
+                                       board = comedi_board(dev);
                                        info->pci_dev_p = pci_device;
                                        goto found;
                                }
@@ -445,6 +443,7 @@ static int init_board_info(struct comedi_device *dev, struct pci_dev *pci_dev_p)
 
 static int init_ao_context(struct comedi_device *dev)
 {
+       const struct me4000_board *thisboard = comedi_board(dev);
        int i;
 
        for (i = 0; i < thisboard->ao_nchan; i++) {
@@ -726,7 +725,7 @@ static int me4000_ai_insn_read(struct comedi_device *dev,
                               struct comedi_subdevice *subdevice,
                               struct comedi_insn *insn, unsigned int *data)
 {
-
+       const struct me4000_board *thisboard = comedi_board(dev);
        int chan = CR_CHAN(insn->chanspec);
        int rang = CR_RANGE(insn->chanspec);
        int aref = CR_AREF(insn->chanspec);
@@ -864,6 +863,7 @@ static int me4000_ai_cancel(struct comedi_device *dev,
 static int ai_check_chanlist(struct comedi_device *dev,
                             struct comedi_subdevice *s, struct comedi_cmd *cmd)
 {
+       const struct me4000_board *thisboard = comedi_board(dev);
        int aref;
        int i;
 
@@ -1658,7 +1658,7 @@ static int me4000_ao_insn_write(struct comedi_device *dev,
                                struct comedi_subdevice *s,
                                struct comedi_insn *insn, unsigned int *data)
 {
-
+       const struct me4000_board *thisboard = comedi_board(dev);
        int chan = CR_CHAN(insn->chanspec);
        int rang = CR_RANGE(insn->chanspec);
        int aref = CR_AREF(insn->chanspec);
@@ -2098,12 +2098,14 @@ static int me4000_cnt_insn_write(struct comedi_device *dev,
 
 static int me4000_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 {
+       const struct me4000_board *thisboard;
        struct comedi_subdevice *s;
        int result;
 
        result = me4000_probe(dev, it);
        if (result)
                return result;
+       thisboard = comedi_board(dev);
 
        result = comedi_alloc_subdevices(dev, 4);
        if (result)

diff --git a/drivers/staging/comedi/drivers/me4000.h b/drivers/staging/comedi/drivers/me4000.h
index ab6094a..b2cfecb 100644 (file)
--- a/drivers/staging/comedi/drivers/me4000.h
+++ b/drivers/staging/comedi/drivers/me4000.h
@@ -269,8 +269,6 @@ struct me4000_board {
        int has_counter;
 };
 
-#define thisboard ((const struct me4000_board *)dev->board_ptr)
-
 /*=============================================================================
   Global board and subdevice information structures
   ===========================================================================*/