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-rw-r--r--drivers/lightnvm/core.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index f659e60..0985a03 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -185,6 +185,16 @@ static int nvm_core_init(struct nvm_dev *dev)
dev->plane_mode = NVM_PLANE_SINGLE;
dev->max_rq_size = dev->ops->max_phys_sect * dev->sec_size;
+ if (grp->mtype != 0) {
+ pr_err("nvm: memory type not supported\n");
+ return -EINVAL;
+ }
+
+ if (grp->fmtype != 0 && grp->fmtype != 1) {
+ pr_err("nvm: flash type not supported\n");
+ return -EINVAL;
+ }
+
if (grp->mpos & 0x020202)
dev->plane_mode = NVM_PLANE_DOUBLE;
if (grp->mpos & 0x040404)
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