Commits
Shengjiu Wang committed 49822e0e113
MLK-21440-2: ASoC: imx-rpmsg: Remove snd_soc_find_dai
Previously we add snd_soc_find_dai to check if the codec is probed or
not, but this bring kernel dump issue when CONFIG_LOCKDEP=y.
[ 2.823379] WARNING: CPU: 2 PID: 1 at sound/soc/soc-core.c:1016 snd_soc_find_dai+0x144/0x150
[ 2.831827] Modules linked in:
[ 2.834907] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.14.78-00007-g524e1b1f0b3f #18
[ 2.842748] Hardware name: FSL i.MX8MM EVK board (DT)
[ 2.847811] task: ffff8000624f0000 task.stack: ffff000008078000
[ 2.853745] PC is at snd_soc_find_dai+0x144/0x150
[ 2.858462] LR is at snd_soc_find_dai+0x140/0x150
...
[ 3.469675] Call trace:
[ 3.472135] Exception stack(0xffff00000807ba40 to 0xffff00000807bb80)
[ 3.478590] ba40: 0000000000000000 00000000ffffffff 0000000000000000 0000000000000002
[ 3.4864333.596564] [<ffff00000883f2a8>] bus_add_driver+0x110/0x230
[ 3.602149] [<ffff0000088412e8>] driver_register+0x68/0x100
[ 3.607735] [<ffff0000088426dc>] __platform_driver_register+0x54/0x60
[ 3.614191] [<ffff0000097e4cc8>] imx_rpmsg_driver_init+0x20/0x28
[ 3.620213] [<ffff0000080844c4>] do_one_initcall+0x44/0x130
[ 3.625801] [<ffff000009760ef8>] kernel_init_freeable+0x1e0/0x280
[ 3.631909] [<ffff00000908c3f8>] kernel_init+0x18/0x110
[ 3.637148] [<ffff000008085a4c>] ret_from_fork+0x10/0x1c
So we could't resolve the warning "snd_soc_register_card failed (-517)".
Fixes: 75632b22a332 ("MLK-20247: ASoC: imx-rpmsg: fix error when
m4 image is not loaded")
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
(cherry picked from commit bbc1868d1c3ec448301d76606e7199f74aa35581)
(cherry picked from commit ebf3fc59b84503a8da40a8e54a92e6de60e01dce)