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Currently, we have a bunch of files in sysfs that display all sorts of
debugging information for the device controller, so they have to move to
debugfs where they belong. The "registers" interface have been removed,
since it doesn't fit into the current driver design as is and it's hardly
a good idea to touch the registers from userspace anyway.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As part of the legacy from the original driver design, we retain home-grown
tracing infrastructure, complete with own ring buffer and timestamps,
which among other things has a performance penalty. This patch removes it.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Split the driver into the following parts:
* core -- resources, register access, capabilities, etc;
* udc -- device controller functionality;
* debug -- logging events.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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