From: Dave Jiang <dave.jiang@intel.com>
Date: Fri, 3 Apr 2026 19:15:11 +0000 (-0700)
Subject: Merge branch 'for-7.1/cxl-consolidate-endpoint' into cxl-for-next
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2fb3bdeb00111519965601389a7b60afb97bafc0;p=thirdparty%2Fkernel%2Flinux.git

Merge branch 'for-7.1/cxl-consolidate-endpoint' into cxl-for-next

Add code to ensure the endpoint has completed initialization before
usage.

cxl/pci: Check memdev driver binding status in cxl_reset_done()
cxl/pci: Hold memdev lock in cxl_event_trace_record()
---

2fb3bdeb00111519965601389a7b60afb97bafc0
diff --cc drivers/cxl/pci.c
index 84cff73b39e59,a5922116db2a8..6e04c8ef19121
--- a/drivers/cxl/pci.c
+++ b/drivers/cxl/pci.c
@@@ -1056,11 -1043,11 +1056,14 @@@ static void cxl_reset_done(struct pci_d
  	 * that no longer exists.
  	 */
  	guard(device)(&cxlmd->dev);
+ 	if (!cxlmd->dev.driver)
+ 		return;
+ 
  	if (cxlmd->endpoint &&
  	    cxl_endpoint_decoder_reset_detected(cxlmd->endpoint)) {
 +		device_for_each_child(&cxlmd->endpoint->dev, NULL,
 +				      cxl_endpoint_decoder_clear_reset_flags);
 +
  		dev_crit(dev, "SBR happened without memory regions removal.\n");
  		dev_crit(dev, "System may be unstable if regions hosted system memory.\n");
  		add_taint(TAINT_USER, LOCKDEP_STILL_OK);