summaryrefslogtreecommitdiff
path: root/drivers/cxl/core/memdev.c
diff options
context:
space:
mode:
authorDan Williams <dan.j.williams@intel.com>2023-06-14 18:30:43 -0700
committerDan Williams <dan.j.williams@intel.com>2023-06-25 14:31:33 -0700
commit516b300c4ca86aa7953b75ce79b5c5eea5779b22 (patch)
tree904fab8243e1b30d6aa89fba09207b67dd271208 /drivers/cxl/core/memdev.c
parentf3c8a37a432e65dda1384929198dd12c1df3ea38 (diff)
cxl/memdev: Formalize endpoint port linkage
Move the endpoint port that the cxl_mem driver establishes from drvdata to a first class attribute. This is in preparation for device-memory drivers reusing the CXL core for memory region management. Those drivers need a type-safe method to retrieve their CXL port linkage. Leave drvdata for private usage of the cxl_mem driver not external consumers of a 'struct cxl_memdev' object. Reviewed-by: Fan Ni <fan.ni@samsung.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Link: https://lore.kernel.org/r/168679264292.3436160.3901392135863405807.stgit@dwillia2-xfh.jf.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/cxl/core/memdev.c')
-rw-r--r--drivers/cxl/core/memdev.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/cxl/core/memdev.c b/drivers/cxl/core/memdev.c
index 3f2d54f30548..65a685e5616f 100644
--- a/drivers/cxl/core/memdev.c
+++ b/drivers/cxl/core/memdev.c
@@ -149,7 +149,7 @@ int cxl_trigger_poison_list(struct cxl_memdev *cxlmd)
struct cxl_port *port;
int rc;
- port = dev_get_drvdata(&cxlmd->dev);
+ port = cxlmd->endpoint;
if (!port || !is_cxl_endpoint(port))
return -EINVAL;
@@ -207,7 +207,7 @@ static struct cxl_region *cxl_dpa_to_region(struct cxl_memdev *cxlmd, u64 dpa)
ctx = (struct cxl_dpa_to_region_context) {
.dpa = dpa,
};
- port = dev_get_drvdata(&cxlmd->dev);
+ port = cxlmd->endpoint;
if (port && is_cxl_endpoint(port) && port->commit_end != -1)
device_for_each_child(&port->dev, &ctx, __cxl_dpa_to_region);