diff options
author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2013-03-05 17:23:10 (GMT) |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-11 17:05:22 (GMT) |
commit | 1f388811b54f9f1b78d52237edda1eaea109e900 (patch) | |
tree | 665cd69f8ab870a9da5cb1ce4349f1607cba3554 | |
parent | 3dd98ebe532beb8d6a7ed22e16b8791e455f4e13 (diff) | |
download | linux-fsl-qoriq-1f388811b54f9f1b78d52237edda1eaea109e900.tar.xz |
staging: comedi: addi_common: allow driver to set the board_ptr
The addi_apci_035, addi_apci_1500, addi_apci_1564, and addi_apci_3xxx
drivers still use the addi_common code. Allow those drivers to set
the dev->board_ptr before calling addi_auto_attach().
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>
-rw-r--r-- | drivers/staging/comedi/drivers/addi-data/addi_common.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/staging/comedi/drivers/addi-data/addi_common.c b/drivers/staging/comedi/drivers/addi-data/addi_common.c index 1051fa5..e9a4b43 100644 --- a/drivers/staging/comedi/drivers/addi-data/addi_common.c +++ b/drivers/staging/comedi/drivers/addi-data/addi_common.c @@ -105,16 +105,19 @@ static int addi_auto_attach(struct comedi_device *dev, unsigned long context_unused) { struct pci_dev *pcidev = comedi_to_pci_dev(dev); - const struct addi_board *this_board; + const struct addi_board *this_board = comedi_board(dev); struct addi_private *devpriv; struct comedi_subdevice *s; int ret, n_subdevices; unsigned int dw_Dummy; - this_board = addi_find_boardinfo(dev, pcidev); - if (!this_board) - return -ENODEV; - dev->board_ptr = this_board; + if (!this_board) { + /* The driver did not set the board_ptr, try finding it. */ + this_board = addi_find_boardinfo(dev, pcidev); + if (!this_board) + return -ENODEV; + dev->board_ptr = this_board; + } dev->board_name = this_board->pc_DriverName; devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL); |