diff options
Diffstat (limited to 'kernel/include/linux/smc91x.h')
-rw-r--r-- | kernel/include/linux/smc91x.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/include/linux/smc91x.h b/kernel/include/linux/smc91x.h index 76199b75d..e302c447e 100644 --- a/kernel/include/linux/smc91x.h +++ b/kernel/include/linux/smc91x.h @@ -1,6 +1,16 @@ #ifndef __SMC91X_H__ #define __SMC91X_H__ +/* + * These bits define which access sizes a platform can support, rather + * than the maximal access size. So, if your platform can do 16-bit + * and 32-bit accesses to the SMC91x device, but not 8-bit, set both + * SMC91X_USE_16BIT and SMC91X_USE_32BIT. + * + * The SMC91x driver requires at least one of SMC91X_USE_8BIT or + * SMC91X_USE_16BIT to be supported - just setting SMC91X_USE_32BIT is + * an invalid configuration. + */ #define SMC91X_USE_8BIT (1 << 0) #define SMC91X_USE_16BIT (1 << 1) #define SMC91X_USE_32BIT (1 << 2) |