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| author |   Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2019-08-21 13:58:18 -0500 |
|---|---|---|
| committer |   Vinod Koul <vkoul@kernel.org> | 2019-08-23 12:01:02 +0530 |
| commit | bf03473d5bcc85fbe9533fa042f67809d8520c4e (patch) | |
| tree | f7011ad3cc5026c8d2644ba7bede251510ec2d98 /drivers/soundwire/bus_type.c | |
| parent | soundwire: intel: remove unused variables (diff) | |
| download | linux-dev-bf03473d5bcc85fbe9533fa042f67809d8520c4e.tar.xz linux-dev-bf03473d5bcc85fbe9533fa042f67809d8520c4e.zip | |
soundwire: add debugfs support
Add base debugfs mechanism for SoundWire bus by creating soundwire
root and master-N and slave-x hierarchy.
Also add SDW Slave SCP, DP0 and DP-N register debug file.
Registers not implemented will print as "XX"
Credits: this patch is based on an earlier internal contribution by
Vinod Koul, Sanyog Kale, Shreyas Nc and Hardik Shah.
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Sanyog Kale <sanyog.r.kale@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20190821185821.12690-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/soundwire/bus_type.c')
| -rw-r--r-- | drivers/soundwire/bus_type.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/soundwire/bus_type.c b/drivers/soundwire/bus_type.c index 2655602f0cfb..4a465f55039f 100644 --- a/drivers/soundwire/bus_type.c +++ b/drivers/soundwire/bus_type.c @@ -6,6 +6,7 @@ #include <linux/pm_domain.h> #include <linux/soundwire/sdw.h> #include <linux/soundwire/sdw_type.h> +#include "bus.h" /** * sdw_get_device_id - find the matching SoundWire device id @@ -177,11 +178,13 @@ EXPORT_SYMBOL_GPL(sdw_unregister_driver); static int __init sdw_bus_init(void) { + sdw_debugfs_init(); return bus_register(&sdw_bus_type); } static void __exit sdw_bus_exit(void) { + sdw_debugfs_exit(); bus_unregister(&sdw_bus_type); } |