linux-kernel - [PATCH v2 25/46] mtd: nandsim: Print backend name

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Message-Id: <d2d83531c6660538d2e2d632735fa694542b568d.1474450296.git.dwalter@sigma-star.at>
Date:   Wed, 21 Sep 2016 11:52:09 +0200
From:   Daniel Walter <dwalter@...ma-star.at>
To:     linux-mtd@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, computersforpeace@...il.com,
        dwmw2@...radead.org, boris.brezillon@...e-electrons.com,
        Richard Weinberger <richard@....at>
Subject: [PATCH v2 25/46] mtd: nandsim: Print backend name

From: Richard Weinberger <richard@....at>

...useful to figure what backend is currently in use.

Signed-off-by: Richard Weinberger <richard@....at>
---
 drivers/mtd/nand/nandsim.c  | 4 ++++
 include/linux/mtd/nandsim.h | 1 +
 2 files changed, 5 insertions(+)

diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index 0e8574e..f8e5687 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -976,6 +976,7 @@ static int init_nandsim(struct mtd_info *mtd, struct nandsim_params *nsparam)
 
 	ns->bops = nsparam->bops;
 
+	NS_INFO("Using backend: %s\n", ns->bops->name);
 	if ((ret = ns->bops->init(ns, nsparam)) != 0) {
 		NS_ERR("Unable to initialize simulator backend: %i\n", ret);
 		return ret;
@@ -1880,6 +1881,7 @@ static struct ns_backend_ops ns_ram_bops = {
 	.read_page = ns_ram_read_page,
 	.init = ns_ram_init,
 	.destroy = ns_ram_destroy,
+	.name = "ram",
 };
 
 static struct ns_backend_ops ns_cachefile_bops = {
@@ -1888,6 +1890,7 @@ static struct ns_backend_ops ns_cachefile_bops = {
 	.read_page = ns_cachefile_read_page,
 	.init = ns_cachefile_init,
 	.destroy = ns_cachefile_destroy,
+	.name = "cache_file",
 };
 
 static struct ns_backend_ops ns_file_bops = {
@@ -1896,6 +1899,7 @@ static struct ns_backend_ops ns_file_bops = {
 	.read_page = ns_file_read_page,
 	.init = ns_file_init,
 	.destroy = ns_file_destroy,
+	.name = "file",
 };
 
 /*
diff --git a/include/linux/mtd/nandsim.h b/include/linux/mtd/nandsim.h
index a0ca0fb..d71a02f 100644
--- a/include/linux/mtd/nandsim.h
+++ b/include/linux/mtd/nandsim.h
@@ -72,6 +72,7 @@ struct ns_backend_ops {
 	void (*read_page)(struct nandsim *ns, int num);
 	int (*init)(struct nandsim *ns, struct nandsim_params *nsparam);
 	void (*destroy)(struct nandsim *ns);
+	char *name;
 };
 
 struct mtd_info *ns_new_instance(struct nandsim_params *nsparam);
-- 
2.8.3