diff options
| author | Jie Yang <yang.jie@intel.com> | 2015-01-21 02:20:23 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-01-27 21:36:22 +0300 |
| commit | 09a34aa582aec12c974b08c1ffedb9bd1940565a (patch) | |
| tree | 762cbff0f65747502aa048074d4f18d08e73f9dd | |
| parent | f81677b4d1acc0e7cd74a43bfd9900d9512b90ae (diff) | |
| download | linux-09a34aa582aec12c974b08c1ffedb9bd1940565a.tar.xz | |
ASoC: Intel: Used lock version to update shim registers
We need hold lock each time updating shirm registers, otherwise,
we may set unexpected values to them when they are set in
different thread at different time sequence.
The notification work will be scheduled in global work queue,
which won't hold this sst->spinlock itself, so here we need
change to use the lock version to update shim registers.
Signed-off-by: Jie Yang <yang.jie@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | sound/soc/intel/sst-haswell-ipc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/soc/intel/sst-haswell-ipc.c b/sound/soc/intel/sst-haswell-ipc.c index 5bf14040c24a..8156cc1accb7 100644 --- a/sound/soc/intel/sst-haswell-ipc.c +++ b/sound/soc/intel/sst-haswell-ipc.c @@ -651,11 +651,11 @@ static void hsw_notification_work(struct work_struct *work) } /* tell DSP that notification has been handled */ - sst_dsp_shim_update_bits_unlocked(hsw->dsp, SST_IPCD, + sst_dsp_shim_update_bits(hsw->dsp, SST_IPCD, SST_IPCD_BUSY | SST_IPCD_DONE, SST_IPCD_DONE); /* unmask busy interrupt */ - sst_dsp_shim_update_bits_unlocked(hsw->dsp, SST_IMRX, SST_IMRX_BUSY, 0); + sst_dsp_shim_update_bits(hsw->dsp, SST_IMRX, SST_IMRX_BUSY, 0); } static struct ipc_message *reply_find_msg(struct sst_hsw *hsw, u32 header) |