1 files changed, 48 insertions, 0 deletions
diff --git a/target/linux/mediatek/files-5.10/drivers/mtd/mtk-snand/mtk-snand-os.c b/target/linux/mediatek/files-5.10/drivers/mtd/mtk-snand/mtk-snand-os.c
new file mode 100644
index 0000000000..0c3ffec8b4
--- /dev/null
+++ b/target/linux/mediatek/files-5.10/drivers/mtd/mtk-snand/mtk-snand-os.c
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2020 MediaTek Inc. All Rights Reserved.
+ *
+ * Author: Weijie Gao <weijie.gao@mediatek.com>
+ */
+
+#include "mtk-snand-def.h"
+
+int mtk_snand_log(struct mtk_snand_plat_dev *pdev,
+		  enum mtk_snand_log_category cat, const char *fmt, ...)
+{
+	const char *catname = "";
+	va_list ap;
+	char *msg;
+
+	switch (cat) {
+	case SNAND_LOG_NFI:
+		catname = "NFI";
+		break;
+	case SNAND_LOG_SNFI:
+		catname = "SNFI";
+		break;
+	case SNAND_LOG_ECC:
+		catname = "ECC";
+		break;
+	default:
+		break;
+	}
+
+	va_start(ap, fmt);
+	msg = kvasprintf(GFP_KERNEL, fmt, ap);
+	va_end(ap);
+
+	if (!msg) {
+		dev_warn(pdev->dev, "unable to print log\n");
+		return -1;
+	}
+
+	if (*catname)
+		dev_warn(pdev->dev, "%s: %s", catname, msg);
+	else
+		dev_warn(pdev->dev, "%s", msg);
+
+	kfree(msg);
+
+	return 0;
+}