diff options
| author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2015-11-18 10:07:26 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-12-21 15:57:40 -0800 |
| commit | 008342ebfda46239ccecb6d4059d511ce5b125c1 (patch) | |
| tree | f2fa3c6348c2edc6d3f4ce207c4cc1d264018696 /drivers/staging/comedi | |
| parent | 774a8c57b14646c74c439097e1e6d06b50c21b85 (diff) | |
staging: comedi: adv_pci_dio: cleanup PCI-175[46] interrupt registers
For aesthetics, replace these defines with a macro.
Refactor the switch in pci_dio_reset() to use common code.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: 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/adv_pci_dio.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/staging/comedi/drivers/adv_pci_dio.c b/drivers/staging/comedi/drivers/adv_pci_dio.c index df60503d5154..f7466f43c95c 100644 --- a/drivers/staging/comedi/drivers/adv_pci_dio.c +++ b/drivers/staging/comedi/drivers/adv_pci_dio.c @@ -64,11 +64,9 @@ enum hw_cards_id { #define PCI1753_INT_REG(x) (0x10 + (x)) /* R/W: control group 0 to 3 */ #define PCI1753E_INT_REG(x) (0x30 + (x)) /* R/W: control group 0 to 3 */ -/* Advantech PCI-1752/4/6 */ -#define PCI1754_6_ICR0 0x08 /* R/W: Interrupt control register group 0 */ -#define PCI1754_6_ICR1 0x0a /* R/W: Interrupt control register group 1 */ -#define PCI1754_ICR2 0x0c /* R/W: Interrupt control register group 2 */ -#define PCI1754_ICR3 0x0e /* R/W: Interrupt control register group 3 */ +/* PCI-1754, PCI-1756 interrupt control registers */ +#define PCI1754_INT_REG(x) (0x08 + (x) * 2) /* R/W: control group 0 to 3 */ + #define PCI1752_6_CFC 0x12 /* R/W: set/read channel freeze function */ /* Advantech PCI-1762 registers */ @@ -318,14 +316,13 @@ static int pci_dio_reset(struct comedi_device *dev) } break; case TYPE_PCI1754: - outw(0x08, dev->iobase + PCI1754_6_ICR0); - outw(0x08, dev->iobase + PCI1754_6_ICR1); - outw(0x08, dev->iobase + PCI1754_ICR2); - outw(0x08, dev->iobase + PCI1754_ICR3); - break; case TYPE_PCI1756: - outw(0x08, dev->iobase + PCI1754_6_ICR0); - outw(0x08, dev->iobase + PCI1754_6_ICR1); + outw(0x08, dev->iobase + PCI1754_INT_REG(0)); + outw(0x08, dev->iobase + PCI1754_INT_REG(1)); + if (board->cardtype == TYPE_PCI1754) { + outw(0x08, dev->iobase + PCI1754_INT_REG(2)); + outw(0x08, dev->iobase + PCI1754_INT_REG(3)); + } break; case TYPE_PCI1762: outw(0x0101, dev->iobase + PCI1762_ICR); |