[PATCH 1/2] cxl: Rename region_res_match_cxl_range() to spa_maps_hpa()

Dave Jiang
2025-11-06T17:01:29Z

The function name region_res_match_cxl_range() does not accurately
convey the operation of address comparison with cache size. Rename
to spa_maps_hpa() to provide a better function name.

Suggested-by: Dan Williams <dan.j.williams@intel.com>
Link: https://lore.kernel.org/linux-cxl/68eea19c7e67e_2f899100a8@dwillia2-mobl4.notmuch/
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
---
drivers/cxl/core/region.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index b06fee1978ba..302db75dc908 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -838,8 +838,8 @@ static int match_free_decoder(struct device *dev, const void *data)
return 1;
}

-static bool region_res_match_cxl_range(const struct cxl_region_params *p,
- const struct range *range)
+static bool spa_maps_hpa(const struct cxl_region_params *p,
+ const struct range *range)
{
if (!p->res)
return false;
@@ -865,7 +865,7 @@ static int match_auto_decoder(struct device *dev, const void *data)
cxld = to_cxl_decoder(dev);
r = &cxld->hpa_range;

- if (region_res_match_cxl_range(p, r))
+ if (spa_maps_hpa(p, r))
return 1;

return 0;
@@ -1465,7 +1465,7 @@ static int cxl_port_setup_targets(struct cxl_port *port,
if (test_bit(CXL_REGION_F_AUTO, &cxlr->flags)) {
if (cxld->interleave_ways != iw ||
(iw > 1 && cxld->interleave_granularity != ig) ||
- !region_res_match_cxl_range(p, &cxld->hpa_range) ||
+ !spa_maps_hpa(p, &cxld->hpa_range) ||
((cxld->flags & CXL_DECODER_F_ENABLE) == 0)) {
dev_err(&cxlr->dev,
"%s:%s %s expected iw: %d ig: %d %pr\n",
@@ -3398,7 +3398,7 @@ static int match_region_by_range(struct device *dev, const void *data)
p = &cxlr->params;

guard(rwsem_read)(&cxl_rwsem.region);
- return region_res_match_cxl_range(p, r);
+ return spa_maps_hpa(p, r);
}

static int cxl_extended_linear_cache_resize(struct cxl_region *cxlr,
--
2.51.1