change otg to host mode

hc

2024-05-11 04dd17822334871b23ea2862f7798fb0e0007777

 kernel/drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c
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@@ -1,17 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *
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- *
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  *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
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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
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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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 #include <linux/i2c.h>
..
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@@ -478,8 +468,7 @@
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 		unsigned int idx,offs,cnt;
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 		for (idx = 0; idx < num; idx++) {
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 			cnt = msgs[idx].len;
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-			printk(KERN_INFO
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-			       "pvrusb2 i2c xfer %u/%u: addr=0x%x len=%d %s",
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+			pr_info("pvrusb2 i2c xfer %u/%u: addr=0x%x len=%d %s",
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 			       idx+1,num,
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 			       msgs[idx].addr,
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 			       cnt,
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@@ -487,22 +476,21 @@
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 				"read" : "write"));
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 			if ((ret > 0) || !(msgs[idx].flags & I2C_M_RD)) {
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 				if (cnt > 8) cnt = 8;
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-				printk(KERN_CONT " [");
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+				pr_cont(" [");
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 				for (offs = 0; offs < cnt; offs++) {
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-					if (offs) printk(KERN_CONT " ");
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-					printk(KERN_CONT "%02x",msgs[idx].buf[offs]);
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+					if (offs) pr_cont(" ");
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+					pr_cont("%02x", msgs[idx].buf[offs]);
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 				}
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-				if (offs < cnt) printk(KERN_CONT " ...");
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-				printk(KERN_CONT "]");
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+				if (offs < cnt) pr_cont(" ...");
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+				pr_cont("]");
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 			}
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 			if (idx+1 == num) {
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-				printk(KERN_CONT " result=%d",ret);
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+				pr_cont(" result=%d", ret);
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 			}
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-			printk(KERN_CONT "\n");
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+			pr_cont("\n");
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 		}
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 		if (!num) {
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-			printk(KERN_INFO
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-			       "pvrusb2 i2c xfer null transfer result=%d\n",
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+			pr_info("pvrusb2 i2c xfer null transfer result=%d\n",
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 			       ret);
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 		}
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 	}
..
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@@ -542,14 +530,14 @@
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 static void do_i2c_scan(struct pvr2_hdw *hdw)
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 {
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 	int i;
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-	printk(KERN_INFO "%s: i2c scan beginning\n", hdw->name);
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+	pr_info("%s: i2c scan beginning\n", hdw->name);
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 	for (i = 0; i < 128; i++) {
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 		if (do_i2c_probe(hdw, i)) {
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-			printk(KERN_INFO "%s: i2c scan: found device @ 0x%x\n",
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+			pr_info("%s: i2c scan: found device @ 0x%x\n",
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 			       hdw->name, i);
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 		}
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 	}
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-	printk(KERN_INFO "%s: i2c scan done.\n", hdw->name);
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+	pr_info("%s: i2c scan done.\n", hdw->name);
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 }
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 static void pvr2_i2c_register_ir(struct pvr2_hdw *hdw)
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@@ -573,10 +561,10 @@
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 		/* IR Receiver */
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 		info.addr          = 0x18;
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 		info.platform_data = init_data;
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-		strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
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+		strscpy(info.type, "ir_video", I2C_NAME_SIZE);
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 		pvr2_trace(PVR2_TRACE_INFO, "Binding %s to i2c address 0x%02x.",
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 			   info.type, info.addr);
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-		i2c_new_device(&hdw->i2c_adap, &info);
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+		i2c_new_client_device(&hdw->i2c_adap, &info);
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 		break;
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 	case PVR2_IR_SCHEME_ZILOG:     /* HVR-1950 style */
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 	case PVR2_IR_SCHEME_24XXX_MCE: /* 24xxx MCE device */
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@@ -588,10 +576,10 @@
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 		/* IR Transceiver */
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 		info.addr = 0x71;
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 		info.platform_data = init_data;
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-		strlcpy(info.type, "ir_z8f0811_haup", I2C_NAME_SIZE);
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+		strscpy(info.type, "ir_z8f0811_haup", I2C_NAME_SIZE);
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 		pvr2_trace(PVR2_TRACE_INFO, "Binding %s to i2c address 0x%02x.",
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 			   info.type, info.addr);
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-		i2c_new_device(&hdw->i2c_adap, &info);
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+		i2c_new_client_device(&hdw->i2c_adap, &info);
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 		break;
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 	default:
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 		/* The device either doesn't support I2C-based IR or we
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@@ -612,7 +600,7 @@
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 	/* However, deal with various special cases for 24xxx hardware. */
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 	if (ir_mode[hdw->unit_number] == 0) {
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-		printk(KERN_INFO "%s: IR disabled\n",hdw->name);
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+		pr_info("%s: IR disabled\n", hdw->name);
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 		hdw->i2c_func[0x18] = i2c_black_hole;
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 	} else if (ir_mode[hdw->unit_number] == 1) {
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 		if (hdw->ir_scheme_active == PVR2_IR_SCHEME_24XXX) {
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@@ -631,7 +619,7 @@
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 	// Configure the adapter and set up everything else related to it.
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 	hdw->i2c_adap = pvr2_i2c_adap_template;
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 	hdw->i2c_algo = pvr2_i2c_algo_template;
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-	strlcpy(hdw->i2c_adap.name,hdw->name,sizeof(hdw->i2c_adap.name));
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+	strscpy(hdw->i2c_adap.name, hdw->name, sizeof(hdw->i2c_adap.name));
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 	hdw->i2c_adap.dev.parent = &hdw->usb_dev->dev;
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 	hdw->i2c_adap.algo = &hdw->i2c_algo;
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 	hdw->i2c_adap.algo_data = hdw;