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authorDan Carpenter <dan.carpenter@oracle.com>2013-01-09 10:12:14 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-01-17 16:43:20 -0800
commitc803dd48f0539cb6adcbbcf41c758502e1e102cb (patch)
treeb4d00deaf012755543025cd1a62ba87dc6daeda0 /drivers/staging/sb105x/sb_mp_register.h
parent8441bf5e063e03e5d307ffb32fd5f77e81c0d397 (diff)
downloadop-kernel-dev-c803dd48f0539cb6adcbbcf41c758502e1e102cb.zip
op-kernel-dev-c803dd48f0539cb6adcbbcf41c758502e1e102cb.tar.gz
staging: sb105x: clean up interface type test
IIR_RS232 is zero so "if (IIR_RS232 == (b_ret & IIR_RS232))" is always true so RS232 was always chosen by default. The test should be "if (0 == (b_ret & 0x30)) { ". The other tests should also be in that format. This does change how the code works... If 0x30 is set then it now defaults to RS232 instead of RS485. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/sb105x/sb_mp_register.h')
-rw-r--r--drivers/staging/sb105x/sb_mp_register.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/sb105x/sb_mp_register.h b/drivers/staging/sb105x/sb_mp_register.h
index 5480ae1..a2087f5b 100644
--- a/drivers/staging/sb105x/sb_mp_register.h
+++ b/drivers/staging/sb105x/sb_mp_register.h
@@ -45,7 +45,7 @@
#define IIR_RS232 0x00 /* RS232 type */
#define IIR_RS422 0x10 /* RS422 type */
#define IIR_RS485 0x20 /* RS485 type */
-#define IIR_UNKNOWN 0x30 /* unknown type */
+#define IIR_TYPE_MASK 0x30
/* Interrrupt Mask Register */
#define MP_OPTR_IMR0 0x0C /* port0 ~ port8 */
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