mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-12-27 11:06:41 -05:00
Code Issues Packages Projects Releases Wiki Activity

cxl: Add helper to delete dport

Browse Source 
Refactor the code in reap_dports() out to provide a helper function that
reaps a single dport. This will be used later in the cleanup path for
allocating a dport. Renaming to del_port() and del_dports() to mirror
devm_cxl_add_dport().

[dj] Fixed up subject per Robert

Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Reviewed-by: Li Ming <ming.li@zohomail.com>
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Tested-by: Robert Richter <rrichter@amd.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
This commit is contained in:
Dave Jiang
2025-08-29 11:09:20 -07:00
parent 4fde89539a
commit 8330671c57
1 changed files with 14 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/cxl/core/port.c
View File

@@ -1432,7 +1432,7 @@ EXPORT_SYMBOL_NS_GPL(cxl_endpoint_autoremove, "CXL");
* through ->remove(). This "bottom-up" removal selectively removes individual
* child ports manually. This depends on devm_cxl_add_port() to not change is
* devm action registration order, and for dports to have already been
* destroyed by reap_dports().
* destroyed by del_dports().
*/
static void delete_switch_port(struct cxl_port *port)
{
@@ -1441,18 +1441,24 @@ static void delete_switch_port(struct cxl_port *port)
devm_release_action(port->dev.parent, unregister_port, port);
}
static void reap_dports(struct cxl_port *port)
static void del_dport(struct cxl_dport *dport)
{
struct cxl_port *port = dport->port;
devm_release_action(&port->dev, cxl_dport_unlink, dport);
devm_release_action(&port->dev, cxl_dport_remove, dport);
devm_kfree(&port->dev, dport);
}
static void del_dports(struct cxl_port *port)
{
struct cxl_dport *dport;
unsigned long index;
device_lock_assert(&port->dev);
xa_for_each(&port->dports, index, dport) {
devm_release_action(&port->dev, cxl_dport_unlink, dport);
devm_release_action(&port->dev, cxl_dport_remove, dport);
devm_kfree(&port->dev, dport);
}
xa_for_each(&port->dports, index, dport)
del_dport(dport);
}
struct detach_ctx {
@@ -1510,7 +1516,7 @@ static void cxl_detach_ep(void *data)
*/
died = true;
port->dead = true;
reap_dports(port);
del_dports(port);
}
device_unlock(&port->dev);