[][Add initial mtk feed for OpenWRT v21.02]
[Description]
Add initial mtk feed for OpenWRT v21.02
[Release-log]
N/A
Change-Id: I8051c6ba87f1ccf26c02fdd88a17d66f63c0b101
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/4495320
diff --git a/target/linux/mediatek/files-5.4/drivers/mtd/mtk-snand/mtk-snand-os.c b/target/linux/mediatek/files-5.4/drivers/mtd/mtk-snand/mtk-snand-os.c
new file mode 100644
index 0000000..0c3ffec
--- /dev/null
+++ b/target/linux/mediatek/files-5.4/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;
+}