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cxl: Rename find_cxl_port() to find_cxl_port_by_dport()

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find_cxl_port() and find_cxl_port_by_uport() are internal port lookup
functions that search the CXL bus by dport and uport respectively, but
their names do not make the lookup method clear.

Rename find_cxl_port() to find_cxl_port_by_dport() to make the lookup
method explicit and consistent with find_cxl_port_by_uport(). Both
functions remain static to port.c; the upcoming patch that adds the
first cross-file caller will widen their scope.

Make the same naming change to static helper __find_cxl_port_by_dport().

Co-developed-by: Terry Bowman <terry.bowman@amd.com>
Signed-off-by: Terry Bowman <terry.bowman@amd.com>
Signed-off-by: Dan Williams <djbw@kernel.org>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@oss.qualcomm.com>
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Reviewed-by: Jonathan Cameron <jic23@kernel.org>
Link: https://patch.msgid.link/20260803221810.3685703-6-terry.bowman@amd.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
This commit is contained in:
Dan Williams 2026-08-03 17:18:01 -05:00 committed by Dave Jiang
parent 59a37f9200
commit 658fb50cc8
1 changed files with 14 additions and 6 deletions
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20
drivers/cxl/core/port.c
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@ -1379,7 +1379,7 @@ static int match_port_by_dport(struct device *dev, const void *data)
return dport != NULL;
}
static struct cxl_port *__find_cxl_port(struct cxl_find_port_ctx *ctx)
static struct cxl_port *__find_cxl_port_by_dport(struct cxl_find_port_ctx *ctx)
{
struct device *dev;
@ -1392,8 +1392,16 @@ static struct cxl_port *__find_cxl_port(struct cxl_find_port_ctx *ctx)
return NULL;
}
static struct cxl_port *find_cxl_port(struct device *dport_dev,
struct cxl_dport **dport)
/**
* find_cxl_port_by_dport - find a cxl_port by one of its targets
* @dport_dev: device representing the dport target
* @dport: optional output of the 'struct cxl_dport' companion of the @dport_dev
*
* Return a 'struct cxl_port' with an elevated reference if found. Use
* __free(put_cxl_port) to release.
*/
static struct cxl_port *find_cxl_port_by_dport(struct device *dport_dev,
struct cxl_dport **dport)
{
struct cxl_find_port_ctx ctx = {
.dport_dev = dport_dev,
@ -1401,7 +1409,7 @@ static struct cxl_port *find_cxl_port(struct device *dport_dev,
};
struct cxl_port *port;
port = __find_cxl_port(&ctx);
port = __find_cxl_port_by_dport(&ctx);
return port;
}
@ -1895,14 +1903,14 @@ EXPORT_SYMBOL_NS_GPL(devm_cxl_enumerate_ports, "CXL");
struct cxl_port *cxl_pci_find_port(struct pci_dev *pdev,
struct cxl_dport **dport)
{
return find_cxl_port(pdev->dev.parent, dport);
return find_cxl_port_by_dport(pdev->dev.parent, dport);
}
EXPORT_SYMBOL_NS_GPL(cxl_pci_find_port, "CXL");
struct cxl_port *cxl_mem_find_port(struct cxl_memdev *cxlmd,
struct cxl_dport **dport)
{
return find_cxl_port(grandparent(&cxlmd->dev), dport);
return find_cxl_port_by_dport(grandparent(&cxlmd->dev), dport);
}
EXPORT_SYMBOL_NS_GPL(cxl_mem_find_port, "CXL");