diff options
Diffstat (limited to 'drivers/char/tipar.c')
| -rw-r--r-- | drivers/char/tipar.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/char/tipar.c b/drivers/char/tipar.c index d30dc09dbbc9df..9df0ca1be0e31a 100644 --- a/drivers/char/tipar.c +++ b/drivers/char/tipar.c @@ -224,14 +224,16 @@ probe_ti_parallel(int minor) { int i; int seq[] = { 0x00, 0x20, 0x10, 0x30 }; + int data; for (i = 3; i >= 0; i--) { outbyte(3, minor); outbyte(i, minor); udelay(delay); + data = inbyte(minor) & 0x30; pr_debug("tipar: Probing -> %i: 0x%02x 0x%02x\n", i, - data & 0x30, seq[i]); - if ((inbyte(minor) & 0x30) != seq[i]) { + data, seq[i]); + if (data != seq[i]) { outbyte(3, minor); return -1; } |