linux-dev - Linux kernel development work

Age	Commit message (Collapse)	Author	Files	Lines
2019-02-21	intel_th: Update ABI documentation	Alexander Shishkin	1	-2/+4
	Commit a753bfcfdb1f3 ("intel_th: Make the switch allocate its subdevices") changed the behavior so that the output port devices are created only for the ports reported by the hardware and their initial state is "unassigned" until a corresponding output port driver is loaded. Reflect this fact in the ABI documentation. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Reported-by: Ricardo Neri <ricardo.neri@intel.com>
2015-10-04	intel_th: Add driver infrastructure for Intel(R) Trace Hub devices	Alexander Shishkin	1	-0/+13
	Intel(R) Trace Hub (TH) is a set of hardware blocks (subdevices) that produce, switch and output trace data from multiple hardware and software sources over several types of trace output ports encoded in System Trace Protocol (MIPI STPv2) and is intended to perform full system debugging. For these subdevices, we create a bus, where they can be discovered and configured by userspace software. This patch creates this bus infrastructure, three types of devices (source, output, switch), resource allocation, some callback mechanisms to facilitate communication between the subdevices' drivers and some common sysfs attributes. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>