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staging: comedi: addi_apci_16xx: remove need for comedi_board()

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Currently this driver uses the total number of channels, stored
in the boardinfo, in a number of the subdevice insn_* functions.
This information is already available in the subdevice as 's->n_chan'.
Use that instead of needing to get the board pointer first.

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>
This commit is contained in:
H Hartley Sweeten 2013-01-18 10:47:19 -07:00 • committed by Greg Kroah-Hartman
commit 875a9cb1bd
1 changed files with 5 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

20
drivers/staging/comedi/drivers/addi-data/hwdrv_apci16xx.c
View file

@ -101,13 +101,11 @@ static int i_APCI16XX_InsnConfigInitTTLIO(struct comedi_device *dev,
struct comedi_insn *insn,
unsigned int *data)
{
const struct addi_board *this_board = comedi_board(dev);
struct addi_private *devpriv = dev->private;
int i_ReturnValue = insn->n;
unsigned char b_Command = 0;
unsigned char b_Cpt = 0;
unsigned char b_NumberOfPort =
(unsigned char) (this_board->i_NbrTTLChannel / 8);
unsigned char b_NumberOfPort = s->n_chan / 8;
/* Test the buffer size */
if (insn->n >= 1) {
@ -232,12 +230,10 @@ static int i_APCI16XX_InsnBitsReadTTLIO(struct comedi_device *dev,
struct comedi_insn *insn,
unsigned int *data)
{
const struct addi_board *this_board = comedi_board(dev);
struct addi_private *devpriv = dev->private;
int i_ReturnValue = insn->n;
unsigned char b_Command = 0;
unsigned char b_NumberOfPort =
(unsigned char) (this_board->i_NbrTTLChannel / 8);
unsigned char b_NumberOfPort = s->n_chan / 8;
unsigned char b_SelectedPort = CR_RANGE(insn->chanspec);
unsigned char b_InputChannel = CR_CHAN(insn->chanspec);
unsigned char *pb_Status;
@ -332,7 +328,6 @@ static int i_APCI16XX_InsnReadTTLIOAllPortValue(struct comedi_device *dev,
struct comedi_insn *insn,
unsigned int *data)
{
const struct addi_board *this_board = comedi_board(dev);
struct addi_private *devpriv = dev->private;
unsigned char b_Command = (unsigned char) CR_AREF(insn->chanspec);
int i_ReturnValue = insn->n;
@ -344,12 +339,9 @@ static int i_APCI16XX_InsnReadTTLIOAllPortValue(struct comedi_device *dev,
if ((b_Command == APCI16XX_TTL_READ_ALL_INPUTS)
|| (b_Command == APCI16XX_TTL_READ_ALL_OUTPUTS)) {
/* Get the number of 32-Bit ports */
b_NumberOfPort =
(unsigned char) (this_board->i_NbrTTLChannel / 32);
if ((b_NumberOfPort * 32) <
this_board->i_NbrTTLChannel) {
b_NumberOfPort = s->n_chan / 32;
if ((b_NumberOfPort * 32) < s->n_chan)
b_NumberOfPort = b_NumberOfPort + 1;
}
/* Test the buffer size */
if (insn->n >= b_NumberOfPort) {
@ -434,12 +426,10 @@ static int i_APCI16XX_InsnBitsWriteTTLIO(struct comedi_device *dev,
struct comedi_insn *insn,
unsigned int *data)
{
const struct addi_board *this_board = comedi_board(dev);
struct addi_private *devpriv = dev->private;
int i_ReturnValue = insn->n;
unsigned char b_Command = 0;
unsigned char b_NumberOfPort =
(unsigned char) (this_board->i_NbrTTLChannel / 8);
unsigned char b_NumberOfPort = s->n_chan / 8;
unsigned char b_SelectedPort = CR_RANGE(insn->chanspec);
unsigned char b_OutputChannel = CR_CHAN(insn->chanspec);
unsigned int dw_Status = 0;