diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00.h')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index 31e48c25a69..ba874cff864 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -623,7 +623,7 @@ struct rt2x00_dev { * required for deregistration of debugfs. */ #ifdef CONFIG_RT2X00_LIB_DEBUGFS - const struct rt2x00debug_intf *debugfs_intf; + struct rt2x00debug_intf *debugfs_intf; #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ /* @@ -791,6 +791,12 @@ struct rt2x00_dev { ring_loop(__entry, (__dev)->tx, ring_end(__dev)) /* + * Compute an array index from a pointer to an element and the base pointer. + */ +#define ARRAY_INDEX(__elem, __base) \ + ( ((char *)(__elem) - (char *)(__base)) / sizeof(*(__elem)) ) + +/* * Generic RF access. * The RF is being accessed by word index. */ |