change otg to host mode

hc

2024-05-11 04dd17822334871b23ea2862f7798fb0e0007777

 kernel/drivers/mtd/ubi/cdev.c
..
..
@@ -1,19 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Copyright (c) International Business Machines Corp., 2006
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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
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- * the GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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  *
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5
  * Author: Artem Bityutskiy (Битюцкий Артём)
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  */
..
..
@@ -974,6 +961,36 @@
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961
 		break;
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 	}
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963
 
964
+	/* Check a specific PEB for bitflips and scrub it if needed */
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+	case UBI_IOCRPEB:
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+	{
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+		int pnum;
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+
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+		err = get_user(pnum, (__user int32_t *)argp);
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+		if (err) {
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+			err = -EFAULT;
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+			break;
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+		}
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+
975
+		err = ubi_bitflip_check(ubi, pnum, 0);
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+		break;
977
+	}
978
+
979
+	/* Force scrubbing for a specific PEB */
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+	case UBI_IOCSPEB:
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+	{
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+		int pnum;
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+
984
+		err = get_user(pnum, (__user int32_t *)argp);
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+		if (err) {
986
+			err = -EFAULT;
987
+			break;
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+		}
989
+
990
+		err = ubi_bitflip_check(ubi, pnum, 1);
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+		break;
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+	}
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+
977
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 	default:
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 		err = -ENOTTY;
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 		break;
..
..
@@ -1061,36 +1078,6 @@
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 	return err;
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1079
 }
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1080
 
1064
-#ifdef CONFIG_COMPAT
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-static long vol_cdev_compat_ioctl(struct file *file, unsigned int cmd,
1066
-				  unsigned long arg)
1067
-{
1068
-	unsigned long translated_arg = (unsigned long)compat_ptr(arg);
1069
-
1070
-	return vol_cdev_ioctl(file, cmd, translated_arg);
1071
-}
1072
-
1073
-static long ubi_cdev_compat_ioctl(struct file *file, unsigned int cmd,
1074
-				  unsigned long arg)
1075
-{
1076
-	unsigned long translated_arg = (unsigned long)compat_ptr(arg);
1077
-
1078
-	return ubi_cdev_ioctl(file, cmd, translated_arg);
1079
-}
1080
-
1081
-static long ctrl_cdev_compat_ioctl(struct file *file, unsigned int cmd,
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-				   unsigned long arg)
1083
-{
1084
-	unsigned long translated_arg = (unsigned long)compat_ptr(arg);
1085
-
1086
-	return ctrl_cdev_ioctl(file, cmd, translated_arg);
1087
-}
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-#else
1089
-#define vol_cdev_compat_ioctl  NULL
1090
-#define ubi_cdev_compat_ioctl  NULL
1091
-#define ctrl_cdev_compat_ioctl NULL
1092
-#endif
1093
-
1094
1081
 /* UBI volume character device operations */
1095
1082
 const struct file_operations ubi_vol_cdev_operations = {
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1083
 	.owner          = THIS_MODULE,
..
..
@@ -1101,7 +1088,7 @@
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1088
 	.write          = vol_cdev_write,
1102
1089
 	.fsync		= vol_cdev_fsync,
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1090
 	.unlocked_ioctl = vol_cdev_ioctl,
1104
-	.compat_ioctl   = vol_cdev_compat_ioctl,
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+	.compat_ioctl   = compat_ptr_ioctl,
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1092
 };
1106
1093
 
1107
1094
 /* UBI character device operations */
..
..
@@ -1109,13 +1096,13 @@
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 	.owner          = THIS_MODULE,
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 	.llseek         = no_llseek,
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 	.unlocked_ioctl = ubi_cdev_ioctl,
1112
-	.compat_ioctl   = ubi_cdev_compat_ioctl,
1099
+	.compat_ioctl   = compat_ptr_ioctl,
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1100
 };
1114
1101
 
1115
1102
 /* UBI control character device operations */
1116
1103
 const struct file_operations ubi_ctrl_cdev_operations = {
1117
1104
 	.owner          = THIS_MODULE,
1118
1105
 	.unlocked_ioctl = ctrl_cdev_ioctl,
1119
-	.compat_ioctl   = ctrl_cdev_compat_ioctl,
1106
+	.compat_ioctl   = compat_ptr_ioctl,
1120
1107
 	.llseek		= no_llseek,
1121
1108
 };