Commit 9bfdd962 authored by Ian Abbott's avatar Ian Abbott Committed by Greg Kroah-Hartman
Browse files

staging: comedi: das08: Add helper functions to check bus type



Add inline helper function `is_isa_board(board)` to check if the driver
supports ISA boards and this is an ISA board, and `is_pci_board(board)`
to check if the driver supports PCI boards and this is a PCI board.

Signed-off-by: default avatarIan Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 7c2b2315
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+15 −7
Original line number Diff line number Diff line
@@ -236,6 +236,16 @@ static const int *const das08_gainlists[] = {
	das08_pgm_gainlist,
};

static inline bool is_isa_board(const struct das08_board_struct *board)
{
	return IS_ENABLED(CONFIG_COMEDI_DAS08_ISA) && board->bustype == isa;
}

static inline bool is_pci_board(const struct das08_board_struct *board)
{
	return IS_ENABLED(CONFIG_COMEDI_DAS08_PCI) && board->bustype == pci;
}

#define TIMEOUT 100000

static int das08_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
@@ -757,7 +767,7 @@ das08_find_pci_board(struct pci_dev *pdev)
#if DO_COMEDI_DRIVER_REGISTER
	unsigned int i;
	for (i = 0; i < ARRAY_SIZE(das08_boards); i++)
		if (das08_boards[i].bustype == pci &&
		if (is_pci_board(&das08_boards[i]) &&
		    pdev->device == das08_boards[i].id)
			return &das08_boards[i];
#endif
@@ -817,13 +827,12 @@ das08_attach(struct comedi_device *dev, struct comedi_devconfig *it)
	devpriv = dev->private;

	dev_info(dev->class_dev, "attach\n");
	if (IS_ENABLED(CONFIG_COMEDI_DAS08_PCI) && thisboard->bustype == pci) {
	if (is_pci_board(thisboard)) {
		dev_err(dev->class_dev,
			"Manual configuration of PCI board '%s' is not supported\n",
			thisboard->name);
		return -EIO;
	} else if (IS_ENABLED(CONFIG_COMEDI_DAS08_ISA) &&
		   thisboard->bustype == isa) {
	} else if (is_isa_board(thisboard)) {
		iobase = it->options[0];
		dev_info(dev->class_dev, "iobase 0x%lx\n", iobase);
		if (!request_region(iobase, thisboard->iosize, DRV_NAME)) {
@@ -848,11 +857,10 @@ static void __maybe_unused das08_detach(struct comedi_device *dev)
	struct das08_private_struct *devpriv = dev->private;

	das08_common_detach(dev);
	if (IS_ENABLED(CONFIG_COMEDI_DAS08_ISA) && thisboard->bustype == isa) {
	if (is_isa_board(thisboard)) {
		if (dev->iobase)
			release_region(dev->iobase, thisboard->iosize);
	} else if (IS_ENABLED(CONFIG_COMEDI_DAS08_PCI) &&
		   thisboard->bustype == pci) {
	} else if (is_pci_board(thisboard)) {
		if (devpriv && devpriv->pdev) {
			if (dev->iobase)
				comedi_pci_disable(devpriv->pdev);