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As soon as the bus starts, physical peripheral devices may report as ATTACHED and set their status with pm_runtime_set_active() in their update_status()/io_init(). This is problematic with the existing code, since the parent pm_runtime status is changed to "active" after starting the bus. This creates a time window where the pm_runtime framework can report an issue, e.g. "rt711 sdw:0:025d:0711:00: runtime PM trying to activate child device sdw:0:025d:0711:00 but parent (sdw-master-0) is not active" This patch enables runtime_pm earlier to make sure the auxiliary device is pm_runtime active after powering-up, but before starting the bus. This problem was exposed by recent changes in the timing of the bus reset, but was present in this driver since we introduced pm_runtime support. Closes: https://github.com/thesofproject/linux/issues/4328 Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@intel.com> Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Tested-by: Charles Keepax <ckeepax@opensource.cirrus.com> Link: https://lore.kernel.org/r/20230803065220.3823269-2-yung-chuan.liao@linux.intel.com Signed-off-by: Vinod Koul <vkoul@kernel.org> |
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.. | ||
amd_manager.c | ||
amd_manager.h | ||
bus_type.c | ||
bus.c | ||
bus.h | ||
cadence_master.c | ||
cadence_master.h | ||
debugfs.c | ||
dmi-quirks.c | ||
generic_bandwidth_allocation.c | ||
intel_ace2x_debugfs.c | ||
intel_ace2x.c | ||
intel_auxdevice.c | ||
intel_auxdevice.h | ||
intel_bus_common.c | ||
intel_init.c | ||
intel.c | ||
intel.h | ||
Kconfig | ||
Makefile | ||
master.c | ||
mipi_disco.c | ||
qcom.c | ||
slave.c | ||
stream.c | ||
sysfs_local.h | ||
sysfs_slave_dpn.c | ||
sysfs_slave.c |