[PATCH 02/19] lightnvm: add controller capabilities to 2.0

From: Javier GonzÃlez
Date: Mon Feb 26 2018 - 08:24:08 EST


Assign missing mccap value on 2.0 path

Signed-off-by: Javier GonzÃlez <javier@xxxxxxxxxxxx>
---
drivers/nvme/host/lightnvm.c | 4 +++-
include/linux/lightnvm.h | 8 +++++---
2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c
index 8f541331b1a9..10392a664b50 100644
--- a/drivers/nvme/host/lightnvm.c
+++ b/drivers/nvme/host/lightnvm.c
@@ -318,7 +318,7 @@ static int nvme_nvm_setup_12(struct nvme_nvm_id12 *id,
dev_geo->c.ws_opt = sec_per_pg;
dev_geo->c.mw_cunits = 8; /* default to MLC safe values */

- dev_geo->c.mccap = le32_to_cpu(src->mccap);
+ dev_geo->c.cap = le32_to_cpu(src->mccap);

dev_geo->c.trdt = le32_to_cpu(src->trdt);
dev_geo->c.trdm = le32_to_cpu(src->trdm);
@@ -399,6 +399,8 @@ static int nvme_nvm_setup_20(struct nvme_nvm_id20 *id,
dev_geo->c.ws_opt = le32_to_cpu(id->ws_opt);
dev_geo->c.mw_cunits = le32_to_cpu(id->mw_cunits);

+ dev_geo->c.cap = le32_to_cpu(id->mccap);
+
dev_geo->c.trdt = le32_to_cpu(id->trdt);
dev_geo->c.trdm = le32_to_cpu(id->trdm);
dev_geo->c.tprt = le32_to_cpu(id->twrt);
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index 4537c0140386..42704c4ca9af 100644
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -273,8 +273,10 @@ struct nvm_common_geo {
u32 ws_opt; /* optimal write size */
u32 mw_cunits; /* distance required for successful read */

- /* device capabilities */
- u32 mccap;
+ /* device capabilities. Note that this represents capabilities in 1.2
+ * and media and controller capabilities in 2.0
+ */
+ u32 cap;

/* device timings */
u32 trdt; /* Avg. Tread (ns) */
@@ -289,7 +291,7 @@ struct nvm_common_geo {

/* 1.2 compatibility */
u8 vmnt;
- u32 cap;
+ u32 mccap;
u32 dom;

u8 mtype;
--
2.7.4