mtd: tests: check erase block count in page test

When there is only a single erase block, the cross erase test
does not report sensible errors. Warn in case there is only
a single erase block instead of executing the test.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>

1 files changed, 7 insertions, 3 deletions

diff --git a/drivers/mtd/tests/pagetest.c b/drivers/mtd/tests/pagetest.c
index ff1e0565b020..bc303cac9f43 100644
--- a/drivers/mtd/tests/pagetest.c
+++ b/drivers/mtd/tests/pagetest.c
@@ -435,9 +435,13 @@ static int __init mtd_pagetest_init(void)
         if (err)
                 goto out;
 
-        err = erasecrosstest();
-        if (err)
-                goto out;
+        if (ebcnt > 1) {
+                err = erasecrosstest();
+                if (err)
+                        goto out;
+        } else {
+                pr_info("skipping erasecrosstest, 2 erase blocks needed\n");
+        }
 
         err = erasetest();
         if (err)