cxl/region: Add function to find a port's switch decoder by range

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Factor out code to find the switch decoder of a port for a specific
address range. Reuse the code to search a root decoder, create the
function cxl_port_find_switch_decoder() and rework
match_root_decoder_by_range() to be usable for switch decoders too.

Signed-off-by: Robert Richter <rrichter@amd.com>
Reviewed-by: Gregory Price <gourry@gourry.net>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: "Fabio M. De Francesco" <fabio.m.de.francesco@linux.intel.com>
Tested-by: Gregory Price <gourry@gourry.net>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Link: https://patch.msgid.link/20250509150700.2817697-12-rrichter@amd.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>

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Robert Richter 2025-05-09 17:06:56 +02:00 • committed by Dave Jiang

parent 868a8f1f04

commit d6879d8cfb

1 changed files with 18 additions and 12 deletions

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drivers/cxl/core/region.c

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