touch: raydium touch driver upgrade

Upgrading raydium tech touch driver code from
kernel 5.4 to kernel 5.15.

Change-Id: I051065cadad60ea9428f38eb18bedbcb3af47797
Signed-off-by: ppadasal <quic_ppadasal@quicinc.com>

raydium/raydium_selftest.c

@@ -2,6 +2,9 @@
  *
  * Raydium TouchScreen driver.
  *
+ * This file is provided under a dual BSD/GPLv2 license.  When using or
+ * redistributing this file, you may do so under either license.
+ * Qualcomm Innovation Center, Inc. chooses to use it under GPLv2
  * Copyright (c) 2021  Raydium tech Ltd.
  *
  * This program is free software; you can redistribute it and/or modify
@@ -14,8 +17,36 @@
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
+ * BSD LICENSE
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *  * Neither the name of Google Inc. or Linaro Ltd. nor the names of
+ *    its contributors may be used to endorse or promote products
+ *    derived from this software without specific prior written
+ *    permission.
+ * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+
 #include <linux/delay.h>
 #include <linux/mutex.h>
 #include <linux/unistd.h>
@@ -69,17 +100,15 @@ int self_test_save_to_file(char *file_name, char *p_string, short len)
 	struct file *filp = NULL;
 	mm_segment_t old_fs;
 
-	filp = filp_open(file_name, O_RDWR | O_CREAT | O_APPEND, 0666);
+	filp = filp_open_block(file_name, O_RDWR | O_CREAT | O_APPEND, 0666);
 	if (IS_ERR(filp)) {
 		DEBUGOUT("can't open file:%s\n", RM_SELF_TEST_LOGFILE);
 		return 0;
 	}
-	old_fs = get_fs();
-	set_fs(KERNEL_DS);
+	old_fs = force_uaccess_begin();
 	filp->f_op->write(filp, p_string, len, &filp->f_pos);
-	set_fs(old_fs);
+	force_uaccess_end(old_fs);
 	filp_close(filp, NULL);
-
 	return 1;
 }