cxl/core: Track port depth

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In preparation for proving CXL subsystem usage of the device_lock()
order track the depth of ports with the expectation that  shallower port
locks can be held over deeper port locks.

Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/164298419321.3018233.4469731547378993606.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

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Ben Widawsky 2022-01-23 16:29:53 -08:00 • committed by Dan Williams

parent d2b61ed2ff

commit 53fa1bff34

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drivers/cxl/core/port.c

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2

drivers/cxl/cxl.h

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