1 files changed, 23 insertions, 21 deletions

diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index 33224cb91c5b..0d1fb6b40c46 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -250,7 +250,7 @@ int nvm_set_rqd_ppalist(struct nvm_dev *dev, struct nvm_rq *rqd,
 		return 0;
 	}
 
-	plane_cnt = (1 << dev->plane_mode);
+	plane_cnt = dev->plane_mode;
 	rqd->nr_pages = plane_cnt * nr_ppas;
 
 	if (dev->ops->max_phys_sect < rqd->nr_pages)
@@ -463,11 +463,7 @@ static int nvm_core_init(struct nvm_dev *dev)
 	dev->sec_per_lun = dev->sec_per_blk * dev->blks_per_lun;
 	dev->nr_luns = dev->luns_per_chnl * dev->nr_chnls;
 
-	dev->total_blocks = dev->nr_planes *
-				dev->blks_per_lun *
-				dev->luns_per_chnl *
-				dev->nr_chnls;
-	dev->total_pages = dev->total_blocks * dev->pgs_per_blk;
+	dev->total_secs = dev->nr_luns * dev->sec_per_lun;
 	INIT_LIST_HEAD(&dev->online_targets);
 	mutex_init(&dev->mlock);
 
@@ -572,11 +568,13 @@ int nvm_register(struct request_queue *q, char *disk_name,
 		}
 	}
 
-	ret = nvm_get_sysblock(dev, &dev->sb);
-	if (!ret)
-		pr_err("nvm: device not initialized.\n");
-	else if (ret < 0)
-		pr_err("nvm: err (%d) on device initialization\n", ret);
+	if (dev->identity.cap & NVM_ID_DCAP_BBLKMGMT) {
+		ret = nvm_get_sysblock(dev, &dev->sb);
+		if (!ret)
+			pr_err("nvm: device not initialized.\n");
+		else if (ret < 0)
+			pr_err("nvm: err (%d) on device initialization\n", ret);
+	}
 
 	/* register device with a supported media manager */
 	down_write(&nvm_lock);
@@ -870,20 +868,19 @@ static int nvm_configure_by_str_event(const char *val,
 
 static int nvm_configure_get(char *buf, const struct kernel_param *kp)
 {
-	int sz = 0;
-	char *buf_start = buf;
+	int sz;
 	struct nvm_dev *dev;
 
-	buf += sprintf(buf, "available devices:\n");
+	sz = sprintf(buf, "available devices:\n");
 	down_write(&nvm_lock);
 	list_for_each_entry(dev, &nvm_devices, devices) {
-		if (sz > 4095 - DISK_NAME_LEN)
+		if (sz > 4095 - DISK_NAME_LEN - 2)
 			break;
-		buf += sprintf(buf, " %32s\n", dev->name);
+		sz += sprintf(buf + sz, " %32s\n", dev->name);
 	}
 	up_write(&nvm_lock);
 
-	return buf - buf_start - 1;
+	return sz;
 }
 
 static const struct kernel_param_ops nvm_configure_by_str_event_param_ops = {
@@ -1055,9 +1052,11 @@ static long __nvm_ioctl_dev_init(struct nvm_ioctl_dev_init *init)
 	strncpy(info.mmtype, init->mmtype, NVM_MMTYPE_LEN);
 	info.fs_ppa.ppa = -1;
 
-	ret = nvm_init_sysblock(dev, &info);
-	if (ret)
-		return ret;
+	if (dev->identity.cap & NVM_ID_DCAP_BBLKMGMT) {
+		ret = nvm_init_sysblock(dev, &info);
+		if (ret)
+			return ret;
+	}
 
 	memcpy(&dev->sb, &info, sizeof(struct nvm_sb_info));
 
@@ -1117,7 +1116,10 @@ static long nvm_ioctl_dev_factory(struct file *file, void __user *arg)
 		dev->mt = NULL;
 	}
 
-	return nvm_dev_factory(dev, fact.flags);
+	if (dev->identity.cap & NVM_ID_DCAP_BBLKMGMT)
+		return nvm_dev_factory(dev, fact.flags);
+
+	return 0;
 }
 
 static long nvm_ctl_ioctl(struct file *file, uint cmd, unsigned long arg)