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ASoC: imx-audmux: Fix ssi port numbers in sysfs
author
Fabio Estevam
<festevam@gmail.com>
Thu, 5 Apr 2012 12:45:51 +0000
(09:45 -0300)
committer
Mark Brown
<broonie@opensource.wolfsonmicro.com>
Thu, 5 Apr 2012 14:23:17 +0000
(15:23 +0100)
Doing a 'cat /sys/kernel/debug/audmux/ssi7' causes the following oops to be printed by the kernel:
Uhandled fault: external abort on non-linefetch (0x008) at 0xf53b003c
Internal error: : 8 [#1] PREEMPT
Modules linked in:
CPU: 0 Not tainted (
3.3.0-00033-gecc726e
-dirty #307)
PC is at audmux_read_file+0x68/0x2f4
LR is at clk_enable+0x3c/0x48
pc : [<
c001b8c8
>] lr : [<
c00190a0
>] psr:
a0000013
sp :
c3ad3f38
ip :
c30a4000
fp :
00000003
r10:
00001000
r9 :
be83fb00
r8 :
c3ad3f80
r7 :
c3ad3f80
r6 :
00000007
r5 :
00031010
r4 :
c30a5000
r3 :
f53b0000
r2 :
0000003c
r1 :
380fa100
r0 :
c068dda0
Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
Control:
0005317f
Table:
83034000
DAC:
00000015
Process cat (pid: 1042, stack limit = 0xc3ad2270)
Stack: (0xc3ad3f38 to 0xc3ad4000)
3f20:
c3139180
00000000
3f40:
c3bc6500
00001000
be83fb00
c3ad3f80
00001000
c3ad2000
00000000
c0095f3c
3f60:
00000003
c3bc6508
c3bc6500
be83fb00
00000000
00000000
00001000
c0096010
3f80:
00000000
00000000
b6fe2050
00000000
00001000
be83fb00
00000003
00000003
3fa0:
c000eb88
c000e9e0
00001000
be83fb00
00000003
be83fb00
00001000
00000000
3fc0:
00001000
be83fb00
00000003
00000003
00000001
00000001
00000000
00000003
3fe0:
000bec8c
be83fae0
0000f808
b6ea8d5c
60000010
00000003
7dff7ede
749bedf1
[<
c001b8c8
>] (audmux_read_file+0x68/0x2f4) from [<
c0095f3c
>] (vfs_read+0xb0/0x144)
[<
c0095f3c
>] (vfs_read+0xb0/0x144) from [<
c0096010
>] (sys_read+0x40/0x70)
[<
c0096010
>] (sys_read+0x40/0x70) from [<
c000e9e0
>] (ret_fast_syscall+0x0/0x2c)
Code:
e1a02186
e2822004
e3500000
e7935186
(
e7937002
)
---[ end trace
4d046e31309023de
]---
Fix the ssi port numbers in sysfs to fix this problem.
Reported-by: Joan Carles <joancarles@fqingenieria.es>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
sound/soc/imx/imx-audmux.c
patch
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diff --git
a/sound/soc/imx/imx-audmux.c
b/sound/soc/imx/imx-audmux.c
index
601df80
..
912a342
100644
(file)
--- a/
sound/soc/imx/imx-audmux.c
+++ b/
sound/soc/imx/imx-audmux.c
@@
-158,7
+158,7
@@
static void __init audmux_debugfs_init(void)
return;
}
- for (i =
1; i < 8
; i++) {
+ for (i =
0; i < MX31_AUDMUX_PORT6_SSI_PINS_6 + 1
; i++) {
snprintf(buf, sizeof(buf), "ssi%d", i);
if (!debugfs_create_file(buf, 0444, audmux_debugfs_root,
(void *)i, &audmux_debugfs_fops))