[NET] smc91x: prepare for SMC_IO_SHIFT to be a platform configurable variable

[deliverable/linux.git] / include / linux / smc91x.h

diff --git a/include/linux/smc91x.h b/include/linux/smc91x.h
index 90434db72db2ef6720b1d281e1cf1daa4624f0a0..0dea9459a8e48424b7ed0ab9564c28e4fb6a32b6 100644 (file)
--- a/include/linux/smc91x.h
+++ b/include/linux/smc91x.h
@@ -7,6 +7,13 @@
 
 #define SMC91X_NOWAIT          (1 << 3)
 
+/* two bits for IO_SHIFT, let's hope later designs will keep this sane */
+#define SMC91X_IO_SHIFT_0      (0 << 4)
+#define SMC91X_IO_SHIFT_1      (1 << 4)
+#define SMC91X_IO_SHIFT_2      (2 << 4)
+#define SMC91X_IO_SHIFT_3      (3 << 4)
+#define SMC91X_IO_SHIFT(x)     (((x) >> 4) & 0x3)
+
 struct smc91x_platdata {
        unsigned long flags;
 };