diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-10-16 14:51:32 (GMT) |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-10-16 14:51:32 (GMT) |
commit | 5fef06e8c8c52aa7170dbbb068aa996d83738d38 (patch) | |
tree | f46a1eefd68863bdae57afa004e5281801a6b61e /include/linux/fd.h | |
parent | 0c5d1eb77a8be917b638344a22afe1398236482b (diff) | |
parent | 278429cff8809958d25415ba0ed32b59866ab1a8 (diff) | |
download | linux-fsl-qoriq-5fef06e8c8c52aa7170dbbb068aa996d83738d38.tar.xz |
Merge branch 'linus' into genirq
Diffstat (limited to 'include/linux/fd.h')
-rw-r--r-- | include/linux/fd.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/linux/fd.h b/include/linux/fd.h index b6bd41d..f5d194a 100644 --- a/include/linux/fd.h +++ b/include/linux/fd.h @@ -15,10 +15,16 @@ struct floppy_struct { sect, /* sectors per track */ head, /* nr of heads */ track, /* nr of tracks */ - stretch; /* !=0 means double track steps */ + stretch; /* bit 0 !=0 means double track steps */ + /* bit 1 != 0 means swap sides */ + /* bits 2..9 give the first sector */ + /* number (the LSB is flipped) */ #define FD_STRETCH 1 #define FD_SWAPSIDES 2 #define FD_ZEROBASED 4 +#define FD_SECTBASEMASK 0x3FC +#define FD_MKSECTBASE(s) (((s) ^ 1) << 2) +#define FD_SECTBASE(floppy) ((((floppy)->stretch & FD_SECTBASEMASK) >> 2) ^ 1) unsigned char gap, /* gap1 size */ |