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In the existing SoundWire code, Master Devices are not explicitly represented - only SoundWire Slave Devices are exposed (the use of capital letters follows the SoundWire specification conventions). With the existing code, the bus is handled without using a proper device, and bus->dev typically points to a platform device. The right thing to do as discussed in multiple reviews is use a device for each bus. The sdw_master_device addition is done with minimal internal plumbing and not exposed externally. The existing API based on sdw_bus_master_add() and sdw_bus_master_delete() will deal with the sdw_master_device life cycle, which minimizes changes to existing drivers. Note that the Intel code will be modified in follow-up patches (no impact on any platform since the connection with ASoC is not supported upstream so far). Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Acked-by: Jaroslav Kysela <perex@perex.cz> Link: https://lore.kernel.org/r/20200518174322.31561-5-yung-chuan.liao@linux.intel.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
28 lines
674 B
Makefile
28 lines
674 B
Makefile
# SPDX-License-Identifier: GPL-2.0-only
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#
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# Makefile for soundwire core
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#
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#Bus Objs
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soundwire-bus-objs := bus_type.o bus.o master.o slave.o mipi_disco.o stream.o
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obj-$(CONFIG_SOUNDWIRE) += soundwire-bus.o
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ifdef CONFIG_DEBUG_FS
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soundwire-bus-objs += debugfs.o
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endif
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#Cadence Objs
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soundwire-cadence-objs := cadence_master.o
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obj-$(CONFIG_SOUNDWIRE_CADENCE) += soundwire-cadence.o
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#Intel driver
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soundwire-intel-objs := intel.o
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obj-$(CONFIG_SOUNDWIRE_INTEL) += soundwire-intel.o
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soundwire-intel-init-objs := intel_init.o
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obj-$(CONFIG_SOUNDWIRE_INTEL) += soundwire-intel-init.o
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#Qualcomm driver
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soundwire-qcom-objs := qcom.o
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obj-$(CONFIG_SOUNDWIRE_QCOM) += soundwire-qcom.o
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