mirror of https://github.com/OpenIPC/firmware.git
75 lines
2.0 KiB
Diff
75 lines
2.0 KiB
Diff
diff -drupN a/drivers/mpp/sunxi-mpp.c b/drivers/mpp/sunxi-mpp.c
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--- a/drivers/mpp/sunxi-mpp.c 1970-01-01 03:00:00.000000000 +0300
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+++ b/drivers/mpp/sunxi-mpp.c 2022-06-12 05:28:14.000000000 +0300
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@@ -0,0 +1,70 @@
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+/*
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+ * drivers/mpp/sunxi-mpp.c
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+ *
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+ * Copyright (c) 2014 softwinner.
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License as published by
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+ * the Free Software Foundation; either version 2 of the License, or
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+ * (at your option) any later version.
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ */
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+
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+#include <linux/init.h>
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+#include <linux/module.h>
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+#include <linux/interrupt.h>
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+#include <linux/cpu.h>
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+#include <linux/of.h>
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+#include <linux/debugfs.h>
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+#include <linux/err.h>
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+#include <linux/slab.h>
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+#include <linux/mpp.h>
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+
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+enum {
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+ DEBUG_NONE = 0,
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+ DEBUG_MPP = 1,
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+};
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+static int debug_mask = DEBUG_NONE;
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+module_param(debug_mask, int, S_IRUGO | S_IWUSR | S_IWGRP);
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+#define MPP_DBG(mask, format, args...) \
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+ do { \
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+ if (mask & debug_mask) \
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+ pr_info("[mpp] "format, ##args); \
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+ } while (0)
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+
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+#define MPP_ERR(format, args...) \
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+ pr_err("[mpp] error:"format, ##args)
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+
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+#ifdef CONFIG_DEBUG_FS
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+struct dentry *debugfs_mpp_root;
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+EXPORT_SYMBOL(debugfs_mpp_root);
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+
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+static int __init mpp_debugfs_init(void)
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+{
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+ MPP_DBG(DEBUG_MPP, "call %s.\n", __func__);
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+ WARN_ON(!debugfs_initialized());
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+
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+ debugfs_mpp_root = debugfs_create_dir("mpp", 0);
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+ if (!debugfs_mpp_root)
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+ return -ENOMEM;
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+
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+ return 0;
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+}
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+
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+static void __exit mpp_debugfs_exit(void)
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+{
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+ MPP_DBG(DEBUG_MPP, "call %s.\n", __func__);
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+ debugfs_remove_recursive(debugfs_mpp_root);
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+}
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+
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+subsys_initcall(mpp_debugfs_init);
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+module_exit(mpp_debugfs_exit);
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+#endif /* CONFIG_DEBUG_FS */
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+
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+MODULE_DESCRIPTION("mpp driver for sunxi SOCs");
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+MODULE_LICENSE("GPL");
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