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| author |  Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
| 2020-09-08 21:45:17 +0800 |
|---|---|---|
| committer |  Vinod Koul <vkoul@kernel.org>
| 2020-09-10 11:21:04 +0530 |
| commit | c2819e196b3cc1901a4612f72e66da4821966a5e (patch) | |
| tree | 6376e8c559d1c32f780542db0d2be95453e7b6a0 /drivers/soundwire/slave.c | |
| parent | soundwire: bus: filter-out unwanted interrupt reports (diff) | |
| download | linux-c2819e196b3cc1901a4612f72e66da4821966a5e.tar.gz linux-c2819e196b3cc1901a4612f72e66da4821966a5e.tar.bz2 linux-c2819e196b3cc1901a4612f72e66da4821966a5e.zip | |
soundwire: slave: add first_interrupt_done status
Some Slaves report incorrect information in their interrupt status
registers after a master/bus reset, track the initial interrupt
handling so that quirks can be introduced to filter out incorrect
information while keeping interrupts enabled in steady state.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Link: https://lore.kernel.org/r/20200908134521.6781-4-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/soundwire/slave.c')
| -rw-r--r-- | drivers/soundwire/slave.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/soundwire/slave.c b/drivers/soundwire/slave.c index 2191dd6e7aa4..4a250d33de5d 100644 --- a/drivers/soundwire/slave.c +++ b/drivers/soundwire/slave.c @@ -58,6 +58,7 @@ static int sdw_slave_add(struct sdw_bus *bus, slave->dev_num = 0; init_completion(&slave->probe_complete); slave->probed = false; + slave->first_interrupt_done = false; for (i = 0; i < SDW_MAX_PORTS; i++) init_completion(&slave->port_ready[i]); |