From 2959bc21ba38e9b711cd5ebf581272d3d7455444 Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Mon, 10 Sep 2012 19:03:00 -0700 Subject: [PATCH] staging: comedi: adl_pci9111: remove pci9111_interrupt_and_fifo_[sg]et macros These macros rely on a local variable having a specific name. Signed-off-by: H Hartley Sweeten Cc: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/adl_pci9111.c | 29 ++++++++++++++-------------- 1 file changed, 14 insertions(+), 15 deletions(-) diff --git a/drivers/staging/comedi/drivers/adl_pci9111.c b/drivers/staging/comedi/drivers/adl_pci9111.c index 6e93b9e..e2c327c 100644 --- a/drivers/staging/comedi/drivers/adl_pci9111.c +++ b/drivers/staging/comedi/drivers/adl_pci9111.c @@ -100,9 +100,9 @@ TODO: #define PCI9111_AI_RANGE_REG 0x08 #define PCI9111_RANGE_STATUS_REG 0x08 #define PCI9111_REGISTER_TRIGGER_MODE_CONTROL 0x0A -#define PCI9111_REGISTER_AD_MODE_INTERRUPT_READBACK 0x0A +#define PCI9111_AI_MODE_INT_RB_REG 0x0A #define PCI9111_SOFTWARE_TRIGGER_REG 0x0E -#define PCI9111_REGISTER_INTERRUPT_CONTROL 0x0C +#define PCI9111_INT_CTRL_REG 0x0C #define PCI9111_8254_BASE_REG 0x40 #define PCI9111_INT_CLR_REG 0x48 @@ -134,25 +134,18 @@ TODO: */ #define pci9111_trigger_and_autoscan_get() \ - (inb(dev->iobase + PCI9111_REGISTER_AD_MODE_INTERRUPT_READBACK)&0x0F) + (inb(dev->iobase + PCI9111_AI_MODE_INT_RB_REG)&0x0F) #define pci9111_trigger_and_autoscan_set(flags) \ outb(flags, dev->iobase + PCI9111_REGISTER_TRIGGER_MODE_CONTROL) -#define pci9111_interrupt_and_fifo_get() \ - ((inb(dev->iobase + PCI9111_REGISTER_AD_MODE_INTERRUPT_READBACK) \ - >> 4) & 0x03) - -#define pci9111_interrupt_and_fifo_set(flags) \ - outb(flags, dev->iobase + PCI9111_REGISTER_INTERRUPT_CONTROL) - #define pci9111_fifo_reset() do { \ outb(PCI9111_FFEN_SET_FIFO_ENABLE, \ - dev->iobase + PCI9111_REGISTER_INTERRUPT_CONTROL); \ + dev->iobase + PCI9111_INT_CTRL_REG); \ outb(PCI9111_FFEN_SET_FIFO_DISABLE, \ - dev->iobase + PCI9111_REGISTER_INTERRUPT_CONTROL); \ + dev->iobase + PCI9111_INT_CTRL_REG); \ outb(PCI9111_FFEN_SET_FIFO_ENABLE, \ - dev->iobase + PCI9111_REGISTER_INTERRUPT_CONTROL); \ + dev->iobase + PCI9111_INT_CTRL_REG); \ } while (0) @@ -322,15 +315,21 @@ static void pci9111_interrupt_source_set(struct comedi_device *dev, { int flags; - flags = pci9111_interrupt_and_fifo_get() & 0x04; + /* Read the current interrupt control bits */ + flags = inb(dev->iobase + PCI9111_AI_MODE_INT_RB_REG); + /* Shift the bits so they are compatible with the write register */ + flags >>= 4; + /* Mask off the ISCx bits */ + flags &= 0xc0; + /* Now set the new ISCx bits */ if (irq_0_source == irq_on_fifo_half_full) flags |= PCI9111_ISC0_SET_IRQ_ON_FIFO_HALF_FULL; if (irq_1_source == irq_on_external_trigger) flags |= PCI9111_ISC1_SET_IRQ_ON_EXT_TRG; - pci9111_interrupt_and_fifo_set(flags); + outb(flags, dev->iobase + PCI9111_INT_CTRL_REG); } /* ------------------------------------------------------------------ */ -- 2.7.4