summaryrefslogtreecommitdiff
path: root/drivers/cxl/core
diff options
context:
space:
mode:
authorDan Williams <dan.j.williams@intel.com>2022-12-01 13:33:43 -0800
committerDan Williams <dan.j.williams@intel.com>2022-12-02 23:07:22 -0800
commit03ff079aa633369763bc0b7409b0a3a8ffa21d40 (patch)
tree947070f0eeffaf938d31af40f865d631c051a8c3 /drivers/cxl/core
parentf17b558d6663101f876a1d9cbbad3de0c8f4ce4d (diff)
cxl/pmem: Remove the cxl_pmem_wq and related infrastructure
Now that cxl_nvdimm and cxl_pmem_region objects are torn down sychronously with the removal of either the bridge, or an endpoint, the cxl_pmem_wq infrastructure can be jettisoned. Tested-by: Robert Richter <rrichter@amd.com> Link: https://lore.kernel.org/r/166993042335.1882361.17022872468068436287.stgit@dwillia2-xfh.jf.intel.com Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/cxl/core')
-rw-r--r--drivers/cxl/core/pmem.c22
1 files changed, 0 insertions, 22 deletions
diff --git a/drivers/cxl/core/pmem.c b/drivers/cxl/core/pmem.c
index 4d36805079ad..16446473d814 100644
--- a/drivers/cxl/core/pmem.c
+++ b/drivers/cxl/core/pmem.c
@@ -99,7 +99,6 @@ static struct cxl_nvdimm_bridge *cxl_nvdimm_bridge_alloc(struct cxl_port *port)
dev = &cxl_nvb->dev;
cxl_nvb->port = port;
- cxl_nvb->state = CXL_NVB_NEW;
device_initialize(dev);
lockdep_set_class(&dev->mutex, &cxl_nvdimm_bridge_key);
device_set_pm_not_required(dev);
@@ -117,28 +116,7 @@ err:
static void unregister_nvb(void *_cxl_nvb)
{
struct cxl_nvdimm_bridge *cxl_nvb = _cxl_nvb;
- bool flush;
- /*
- * If the bridge was ever activated then there might be in-flight state
- * work to flush. Once the state has been changed to 'dead' then no new
- * work can be queued by user-triggered bind.
- */
- device_lock(&cxl_nvb->dev);
- flush = cxl_nvb->state != CXL_NVB_NEW;
- cxl_nvb->state = CXL_NVB_DEAD;
- device_unlock(&cxl_nvb->dev);
-
- /*
- * Even though the device core will trigger device_release_driver()
- * before the unregister, it does not know about the fact that
- * cxl_nvdimm_bridge_driver defers ->remove() work. So, do the driver
- * release not and flush it before tearing down the nvdimm device
- * hierarchy.
- */
- device_release_driver(&cxl_nvb->dev);
- if (flush)
- flush_work(&cxl_nvb->state_work);
device_unregister(&cxl_nvb->dev);
}