staging: comedi: ni_labpc: remove forward declarations 2
authorH Hartley Sweeten <hsweeten@visionengravers.com>
Fri, 22 Mar 2013 16:37:04 +0000 (09:37 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 25 Mar 2013 18:39:20 +0000 (11:39 -0700)
Move the eeprom/caldac support functions to remove the need for
some of the forward declarations.

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

index 846a1e9..198198a 100644 (file)
@@ -226,12 +226,6 @@ static void labpc_adc_timing(struct comedi_device *dev, struct comedi_cmd *cmd,
 #ifdef CONFIG_ISA_DMA_API
 static unsigned int labpc_suggest_transfer_size(const struct comedi_cmd *cmd);
 #endif
-static unsigned int labpc_eeprom_read_status(struct comedi_device *dev);
-static int labpc_eeprom_write(struct comedi_device *dev,
-                                      unsigned int address,
-                                      unsigned int value);
-static void write_caldac(struct comedi_device *dev, unsigned int channel,
-                        unsigned int value);
 
 /* analog input ranges */
 #define NUM_LABPC_PLUS_AI_RANGES 16
@@ -1370,59 +1364,6 @@ static int labpc_ao_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
        return 1;
 }
 
-static int labpc_calib_read_insn(struct comedi_device *dev,
-                                struct comedi_subdevice *s,
-                                struct comedi_insn *insn, unsigned int *data)
-{
-       struct labpc_private *devpriv = dev->private;
-
-       data[0] = devpriv->caldac[CR_CHAN(insn->chanspec)];
-
-       return 1;
-}
-
-static int labpc_calib_write_insn(struct comedi_device *dev,
-                                 struct comedi_subdevice *s,
-                                 struct comedi_insn *insn, unsigned int *data)
-{
-       int channel = CR_CHAN(insn->chanspec);
-
-       write_caldac(dev, channel, data[0]);
-       return 1;
-}
-
-static int labpc_eeprom_read_insn(struct comedi_device *dev,
-                                 struct comedi_subdevice *s,
-                                 struct comedi_insn *insn, unsigned int *data)
-{
-       struct labpc_private *devpriv = dev->private;
-
-       data[0] = devpriv->eeprom_data[CR_CHAN(insn->chanspec)];
-
-       return 1;
-}
-
-static int labpc_eeprom_write_insn(struct comedi_device *dev,
-                                  struct comedi_subdevice *s,
-                                  struct comedi_insn *insn, unsigned int *data)
-{
-       int channel = CR_CHAN(insn->chanspec);
-       int ret;
-
-       /*  only allow writes to user area of eeprom */
-       if (channel < 16 || channel > 127) {
-               dev_dbg(dev->class_dev,
-                       "eeprom writes are only allowed to channels 16 through 127 (the pointer and user areas)\n");
-               return -EINVAL;
-       }
-
-       ret = labpc_eeprom_write(dev, channel, data[0]);
-       if (ret < 0)
-               return ret;
-
-       return 1;
-}
-
 #ifdef CONFIG_ISA_DMA_API
 /* utility function that suggests a dma transfer size in bytes */
 static unsigned int labpc_suggest_transfer_size(const struct comedi_cmd *cmd)
@@ -1645,6 +1586,34 @@ static unsigned int labpc_eeprom_read(struct comedi_device *dev,
        return value;
 }
 
+static unsigned int labpc_eeprom_read_status(struct comedi_device *dev)
+{
+       struct labpc_private *devpriv = dev->private;
+       unsigned int value;
+       const int read_status_instruction = 0x5;
+       const int write_length = 8;     /*  8 bit write lengths to eeprom */
+
+       /*  enable read/write to eeprom */
+       devpriv->command5_bits &= ~EEPROM_EN_BIT;
+       udelay(1);
+       devpriv->write_byte(devpriv->command5_bits, dev->iobase + COMMAND5_REG);
+       devpriv->command5_bits |= EEPROM_EN_BIT | EEPROM_WRITE_UNPROTECT_BIT;
+       udelay(1);
+       devpriv->write_byte(devpriv->command5_bits, dev->iobase + COMMAND5_REG);
+
+       /*  send read status instruction */
+       labpc_serial_out(dev, read_status_instruction, write_length);
+       /*  read result */
+       value = labpc_serial_in(dev);
+
+       /*  disable read/write to eeprom */
+       devpriv->command5_bits &= ~EEPROM_EN_BIT & ~EEPROM_WRITE_UNPROTECT_BIT;
+       udelay(1);
+       devpriv->write_byte(devpriv->command5_bits, dev->iobase + COMMAND5_REG);
+
+       return value;
+}
+
 static int labpc_eeprom_write(struct comedi_device *dev,
                                unsigned int address, unsigned int value)
 {
@@ -1704,34 +1673,6 @@ static int labpc_eeprom_write(struct comedi_device *dev,
        return 0;
 }
 
-static unsigned int labpc_eeprom_read_status(struct comedi_device *dev)
-{
-       struct labpc_private *devpriv = dev->private;
-       unsigned int value;
-       const int read_status_instruction = 0x5;
-       const int write_length = 8;     /*  8 bit write lengths to eeprom */
-
-       /*  enable read/write to eeprom */
-       devpriv->command5_bits &= ~EEPROM_EN_BIT;
-       udelay(1);
-       devpriv->write_byte(devpriv->command5_bits, dev->iobase + COMMAND5_REG);
-       devpriv->command5_bits |= EEPROM_EN_BIT | EEPROM_WRITE_UNPROTECT_BIT;
-       udelay(1);
-       devpriv->write_byte(devpriv->command5_bits, dev->iobase + COMMAND5_REG);
-
-       /*  send read status instruction */
-       labpc_serial_out(dev, read_status_instruction, write_length);
-       /*  read result */
-       value = labpc_serial_in(dev);
-
-       /*  disable read/write to eeprom */
-       devpriv->command5_bits &= ~EEPROM_EN_BIT & ~EEPROM_WRITE_UNPROTECT_BIT;
-       udelay(1);
-       devpriv->write_byte(devpriv->command5_bits, dev->iobase + COMMAND5_REG);
-
-       return value;
-}
-
 /* writes to 8 bit calibration dacs */
 static void write_caldac(struct comedi_device *dev, unsigned int channel,
                         unsigned int value)
@@ -1762,6 +1703,59 @@ static void write_caldac(struct comedi_device *dev, unsigned int channel,
        devpriv->write_byte(devpriv->command5_bits, dev->iobase + COMMAND5_REG);
 }
 
+static int labpc_calib_write_insn(struct comedi_device *dev,
+                                 struct comedi_subdevice *s,
+                                 struct comedi_insn *insn, unsigned int *data)
+{
+       int channel = CR_CHAN(insn->chanspec);
+
+       write_caldac(dev, channel, data[0]);
+       return 1;
+}
+
+static int labpc_calib_read_insn(struct comedi_device *dev,
+                                struct comedi_subdevice *s,
+                                struct comedi_insn *insn, unsigned int *data)
+{
+       struct labpc_private *devpriv = dev->private;
+
+       data[0] = devpriv->caldac[CR_CHAN(insn->chanspec)];
+
+       return 1;
+}
+
+static int labpc_eeprom_write_insn(struct comedi_device *dev,
+                                  struct comedi_subdevice *s,
+                                  struct comedi_insn *insn, unsigned int *data)
+{
+       int channel = CR_CHAN(insn->chanspec);
+       int ret;
+
+       /*  only allow writes to user area of eeprom */
+       if (channel < 16 || channel > 127) {
+               dev_dbg(dev->class_dev,
+                       "eeprom writes are only allowed to channels 16 through 127 (the pointer and user areas)\n");
+               return -EINVAL;
+       }
+
+       ret = labpc_eeprom_write(dev, channel, data[0]);
+       if (ret < 0)
+               return ret;
+
+       return 1;
+}
+
+static int labpc_eeprom_read_insn(struct comedi_device *dev,
+                                 struct comedi_subdevice *s,
+                                 struct comedi_insn *insn, unsigned int *data)
+{
+       struct labpc_private *devpriv = dev->private;
+
+       data[0] = devpriv->eeprom_data[CR_CHAN(insn->chanspec)];
+
+       return 1;
+}
+
 int labpc_common_attach(struct comedi_device *dev, unsigned long iobase,
                        unsigned int irq, unsigned int dma_chan)
 {