Message ID | 1447684487-25539-8-git-send-email-m@bjorling.me (mailing list archive) |
---|---|
State | Accepted, archived |
Delegated to: | Jens Axboe |
Headers | show |
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)
Only NAND flash with SLC and MLC is supported. Make sure to not try to initialize TLC memory or other non-volatile memory types. Signed-off-by: Matias Bjørling <m@bjorling.me> --- drivers/lightnvm/core.c | 10 ++++++++++ 1 file changed, 10 insertions(+)