[][kernel][mt7988][mtd test:fix nand pagetest load]
[Description]
Fix mtd test pagetest for QVL test, add operation count.
[Release-log]
N/A
Change-Id: I720b1c124445933bf5a277194da5d63467bb0227
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6843549
diff --git a/target/linux/mediatek/patches-5.4/492-mtd-tests-fix-pagetest-load.patch b/target/linux/mediatek/patches-5.4/492-mtd-tests-fix-pagetest-load.patch
new file mode 100644
index 0000000..f10b5c5
--- /dev/null
+++ b/target/linux/mediatek/patches-5.4/492-mtd-tests-fix-pagetest-load.patch
@@ -0,0 +1,42 @@
+--- a/drivers/mtd/tests/pagetest.c 2022-11-28 16:08:26.978090509 +0800
++++ b/drivers/mtd/tests/pagetest.c 2022-11-28 16:10:04.351026850 +0800
+@@ -25,6 +25,10 @@ static int dev = -EINVAL;
+ module_param(dev, int, S_IRUGO);
+ MODULE_PARM_DESC(dev, "MTD device number to use");
+
++static int count = 10000;
++module_param(count, int, 0444);
++MODULE_PARM_DESC(count, "Number of operations to do (default is 10000)");
++
+ static struct mtd_info *mtd;
+ static unsigned char *twopages;
+ static unsigned char *writebuf;
+@@ -331,7 +335,7 @@ static int __init mtd_pagetest_init(void
+ return -EINVAL;
+ }
+
+- pr_info("MTD device: %d\n", dev);
++ pr_info("MTD device: %d count:%d\n", dev, count);
+
+ mtd = get_mtd_device(NULL, dev);
+ if (IS_ERR(mtd)) {
+@@ -376,6 +380,7 @@ static int __init mtd_pagetest_init(void
+ if (err)
+ goto out;
+
++LOOP:
+ /* Erase all eraseblocks */
+ pr_info("erasing whole device\n");
+ err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);
+@@ -435,7 +440,10 @@ static int __init mtd_pagetest_init(void
+ if (err)
+ goto out;
+
+- pr_info("finished with %d errors\n", errcnt);
++ pr_info("finished with %d errors count:%d\n", errcnt, count);
++
++ if (count-- > 0)
++ goto LOOP;
+ out:
+
+ kfree(bbt);