lightnvm: remove multiple groups in 1.2 data structure

Only one id group from the 1.2 specification is supported. Make
sure that only the first group is accessible.

Signed-off-by: Matias Bjørling <mb@lightnvm.io>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c
index 940c9b9..dc0b133 100644 (file)
--- a/drivers/nvme/host/lightnvm.c
+++ b/drivers/nvme/host/lightnvm.c
@@ -166,7 +166,8 @@ struct nvme_nvm_id {
        __le32                  dom;
        struct nvme_nvm_addr_format ppaf;
        __u8                    resv[228];
-       struct nvme_nvm_id_group groups[4];
+       struct nvme_nvm_id_group group;
+       __u8                    resv2[2880];
 } __packed;
 
 struct nvme_nvm_bb_tbl {
@@ -208,7 +209,7 @@ static int init_grps(struct nvm_id *nvm_id, struct nvme_nvm_id *nvme_nvm_id)
        if (nvme_nvm_id->cgrps != 1)
                return -EINVAL;
 
-       src = &nvme_nvm_id->groups[0];
+       src = &nvme_nvm_id->group;
        grp = &nvm_id->grp;
 
        grp->mtype = src->mtype;