b43: Add debugfs files for MMIO register access

This adds debugfs files for reading and writing arbitrary
wireless core registers. This is useful for debugging.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/net/wireless/b43/debugfs.h b/drivers/net/wireless/b43/debugfs.h
index c75cff4151d9..d6848696cee0 100644
--- a/drivers/net/wireless/b43/debugfs.h
+++ b/drivers/net/wireless/b43/debugfs.h
@@ -36,6 +36,10 @@ struct b43_dfsentry {
         struct b43_wldev *dev;
         struct dentry *subdir;
 
+        struct b43_dfs_file file_mmio16read;
+        struct b43_dfs_file file_mmio16write;
+        struct b43_dfs_file file_mmio32read;
+        struct b43_dfs_file file_mmio32write;
         struct b43_dfs_file file_tsf;
         struct b43_dfs_file file_ucode_regs;
         struct b43_dfs_file file_shm;
@@ -46,6 +50,11 @@ struct b43_dfsentry {
 
         struct b43_txstatus_log txstatlog;
 
+        /* The cached address for the next mmio16read file read */
+        u16 mmio16read_next;
+        /* The cached address for the next mmio32read file read */
+        u16 mmio32read_next;
+
         /* Enabled/Disabled list for the dynamic debugging features. */
         u32 dyn_debug[__B43_NR_DYNDBG];
         /* Dentries for the dynamic debugging entries. */