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path: root/drivers/misc/cxl/pci.c
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Diffstat (limited to 'drivers/misc/cxl/pci.c')
-rw-r--r--drivers/misc/cxl/pci.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c
index 2b61cb1ee62c..bfbd6478c0c5 100644
--- a/drivers/misc/cxl/pci.c
+++ b/drivers/misc/cxl/pci.c
@@ -878,6 +878,12 @@ int cxl_reset(struct cxl *adapter)
int i;
u32 val;
+ if (adapter->perst_same_image) {
+ dev_warn(&dev->dev,
+ "cxl: refusing to reset/reflash when perst_reloads_same_image is set.\n");
+ return -EINVAL;
+ }
+
dev_info(&dev->dev, "CXL reset\n");
/* pcie_warm_reset requests a fundamental pci reset which includes a
@@ -1151,6 +1157,7 @@ static struct cxl *cxl_init_adapter(struct pci_dev *dev)
* configure/reconfigure
*/
adapter->perst_loads_image = true;
+ adapter->perst_same_image = false;
rc = cxl_configure_adapter(adapter, dev);
if (rc) {