diff options
author | H Hartley Sweeten <hartleys@visionengravers.com> | 2012-11-29 18:18:03 -0700 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-11-29 18:05:30 -0800 |
commit | 0c33bdd01abf1d6722792b2022b974116151a572 (patch) | |
tree | 270548118b09f3f78bf5fe27d216789e2c3b6355 /drivers/staging/comedi | |
parent | 490555966e77f7e3e8ccbe70629a149451b56a3c (diff) | |
download | op-kernel-dev-0c33bdd01abf1d6722792b2022b974116151a572.zip op-kernel-dev-0c33bdd01abf1d6722792b2022b974116151a572.tar.gz |
staging: comedi: addi_apci_2032: only allocate needed subdevices
The addi-data "common" code always allocated 7 subdevices. This driver
only requires 2. Change the allocation and remove the unused subdevices.
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>
Diffstat (limited to 'drivers/staging/comedi')
-rw-r--r-- | drivers/staging/comedi/drivers/addi_apci_2032.c | 31 |
1 files changed, 5 insertions, 26 deletions
diff --git a/drivers/staging/comedi/drivers/addi_apci_2032.c b/drivers/staging/comedi/drivers/addi_apci_2032.c index 9b0c402..84e6b4f 100644 --- a/drivers/staging/comedi/drivers/addi_apci_2032.c +++ b/drivers/staging/comedi/drivers/addi_apci_2032.c @@ -70,7 +70,7 @@ static int apci2032_auto_attach(struct comedi_device *dev, const struct addi_board *this_board; struct addi_private *devpriv; struct comedi_subdevice *s; - int ret, n_subdevices; + int ret; this_board = addi_find_boardinfo(dev, pcidev); if (!this_board) @@ -95,25 +95,12 @@ static int apci2032_auto_attach(struct comedi_device *dev, dev->irq = pcidev->irq; } - n_subdevices = 7; - ret = comedi_alloc_subdevices(dev, n_subdevices); + ret = comedi_alloc_subdevices(dev, 2); if (ret) return ret; - /* Allocate and Initialise AI Subdevice Structures */ + /* Initialize the digital output subdevice */ s = &dev->subdevices[0]; - s->type = COMEDI_SUBD_UNUSED; - - /* Allocate and Initialise AO Subdevice Structures */ - s = &dev->subdevices[1]; - s->type = COMEDI_SUBD_UNUSED; - - /* Allocate and Initialise DI Subdevice Structures */ - s = &dev->subdevices[2]; - s->type = COMEDI_SUBD_UNUSED; - - /* Allocate and Initialise DO Subdevice Structures */ - s = &dev->subdevices[3]; if (this_board->i_NbrDoChannel) { s->type = COMEDI_SUBD_DO; s->subdev_flags = @@ -133,8 +120,8 @@ static int apci2032_auto_attach(struct comedi_device *dev, s->type = COMEDI_SUBD_UNUSED; } - /* Allocate and Initialise Timer Subdevice Structures */ - s = &dev->subdevices[4]; + /* Initialize the watchdog subdevice */ + s = &dev->subdevices[1]; if (this_board->i_Timer) { s->type = COMEDI_SUBD_TIMER; s->subdev_flags = SDF_WRITEABLE | SDF_GROUND | SDF_COMMON; @@ -151,14 +138,6 @@ static int apci2032_auto_attach(struct comedi_device *dev, s->type = COMEDI_SUBD_UNUSED; } - /* Allocate and Initialise TTL */ - s = &dev->subdevices[5]; - s->type = COMEDI_SUBD_UNUSED; - - /* EEPROM */ - s = &dev->subdevices[6]; - s->type = COMEDI_SUBD_UNUSED; - apci2032_reset(dev); return 0; } |