Title: [9161] trunk/arch/blackfin/kernel/bfin_gpio.c: [#5155] bfin gpio: peripheral group check: if offset is negative bypass the group check
- Revision
- 9161
- Author
- steven.miao
- Date
- 2010-09-25 00:13:02 -0400 (Sat, 25 Sep 2010)
Log Message
[#5155] bfin gpio: peripheral group check: if offset is negative bypass the group check
bypass the mux group check if offset is negative as the port_mux[] offset array
defined
Modified Paths
Diff
Modified: trunk/arch/blackfin/kernel/bfin_gpio.c (9160 => 9161)
--- trunk/arch/blackfin/kernel/bfin_gpio.c 2010-09-22 08:11:56 UTC (rev 9160)
+++ trunk/arch/blackfin/kernel/bfin_gpio.c 2010-09-25 04:13:02 UTC (rev 9161)
@@ -269,6 +269,8 @@
s8 offset;
u16 function = P_FUNCT2MUX(per);
offset = port_mux[P_IDENT(per)];
+ if (offset < 0)
+ return 0;
ident = P_IDENT(per);
pfunc = bfin_read_PORT_MUX();
for (m = 0; m < ARRAY_SIZE(port_mux); m++) {
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