#define GAT_GND 1 /* GND (i.e. disabled) */
#define GAT_EXT 2 /* reserved (external gate input) */
#define GAT_NOUTNM2 3 /* inverted output of channel-2 modulo total */
-/* Macro to construct gate input configuration register value. */
-#define GAT_CONFIG(chan, src) ((((chan) & 3) << 3) | ((src) & 7))
+
+static inline unsigned int pci224_gat_config(unsigned int chan,
+ unsigned int src)
+{
+ return ((chan & 3) << 3) | (src & 7);
+}
/*
* Summary of CLK_OUTNM1 and GAT_NOUTNM2 connections for PCI224 and PCI234:
* source.
*/
/* Make sure Z2-0 is gated on. */
- outb(GAT_CONFIG(0, GAT_VCC), devpriv->iobase1 + PCI224_ZGAT_SCE);
+ outb(pci224_gat_config(0, GAT_VCC), devpriv->iobase1 + PCI224_ZGAT_SCE);
/* Cascading with Z2-2. */
/* Make sure Z2-2 is gated on. */
- outb(GAT_CONFIG(2, GAT_VCC), devpriv->iobase1 + PCI224_ZGAT_SCE);
+ outb(pci224_gat_config(2, GAT_VCC), devpriv->iobase1 + PCI224_ZGAT_SCE);
/* Z2-2 needs 10 MHz clock. */
outb(CLK_CONFIG(2, CLK_10MHZ), devpriv->iobase1 + PCI224_ZCLK_SCE);
/* Z2-0 is clocked from Z2-2's output. */