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soundwire: debugfs: use controller id and link_id for debugfs
[ Upstream commit75eac387a2
] link_id can be zero and if we have multiple controller instances in a system like Qualcomm debugfs will end-up with duplicate namespace resulting in incorrect debugfs entries. Using bus-id and link-id combination should give a unique debugfs directory entry and should fix below warning too. "debugfs: Directory 'master-0' with parent 'soundwire' already present!" Fixes:bf03473d5b
("soundwire: add debugfs support") Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20210907105332.1257-1-srinivas.kandagatla@linaro.org Signed-off-by: Vinod Koul <vkoul@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -19,7 +19,7 @@ void sdw_bus_debugfs_init(struct sdw_bus *bus)
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return;
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/* create the debugfs master-N */
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snprintf(name, sizeof(name), "master-%d", bus->link_id);
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snprintf(name, sizeof(name), "master-%d-%d", bus->id, bus->link_id);
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bus->debugfs = debugfs_create_dir(name, sdw_debugfs_root);
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}
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