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[v2,35/46] mtd: nandsim: Make NANDSIM_MAX_DEVICES part of uapi

Message ID 56bd5362ab035957676ff97306346657d482ed26.1474450296.git.dwalter@sigma-star.at
State Changes Requested
Delegated to: Boris Brezillon
Headers show

Commit Message

Daniel Walter Sept. 21, 2016, 9:55 a.m. UTC 
From: Richard Weinberger <richard@nod.at>

...such that userspace very easy remove all nandsim instances.

Signed-off-by: Richard Weinberger <richard@nod.at>
---
 drivers/mtd/nand/nandsim.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)
diff mbox

Patch

diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index 185ca4d..31a9f89 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -432,10 +432,8 @@  struct grave_page {
 	unsigned int reads_done;
 };
 
-#define NS_MAX_DEVICES 32
-
 /* MTD structure for NAND controller */
-static struct mtd_info *ns_mtds[NS_MAX_DEVICES];
+static struct mtd_info *ns_mtds[NANDSIM_MAX_DEVICES];
 static DEFINE_MUTEX(ns_mtd_mutex);
 
 static struct dentry *dfs_root;
@@ -2648,7 +2646,7 @@  static int ns_ctrl_destroy_instance(struct ns_destroy_instance_req *req)
 	struct nand_chip *chip;
 	struct nandsim *ns;
 
-	if (id < 0 || id >= NS_MAX_DEVICES)
+	if (id < 0 || id >= NANDSIM_MAX_DEVICES)
 		return -EINVAL;
 
 	mutex_lock(&ns_mtd_mutex);
@@ -2758,13 +2756,13 @@  struct mtd_info *ns_new_instance(struct nandsim_params *nsparam)
 	}
 
 	mutex_lock(&ns_mtd_mutex);
-	for (i = 0; i < NS_MAX_DEVICES; i++) {
+	for (i = 0; i < NANDSIM_MAX_DEVICES; i++) {
 		if (!ns_mtds[i])
 			break;
 	}
 
-	if (i == NS_MAX_DEVICES) {
-		pr_err("Cannot allocate more than %i instances!\n", NS_MAX_DEVICES);
+	if (i == NANDSIM_MAX_DEVICES) {
+		pr_err("Cannot allocate more than %i instances!\n", NANDSIM_MAX_DEVICES);
 		retval = -ENFILE;
 		mutex_unlock(&ns_mtd_mutex);
 		goto error;
@@ -2984,7 +2982,7 @@  static void ns_destroy_all(void)
 	int i;
 
 	mutex_lock(&ns_mtd_mutex);
-	for (i = 0; i < NS_MAX_DEVICES; i++)
+	for (i = 0; i < NANDSIM_MAX_DEVICES; i++)
 		if (ns_mtds[i])
 			WARN_ON(ns_destroy_instance(ns_mtds[i]) != 0);
 	mutex_unlock(&ns_mtd_mutex);