add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/net/sb1000.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /* sb1000.c: A General Instruments SB1000 driver for linux. */
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 /*
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 	Written 1998 by Franco Venturi.
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@@ -11,11 +12,6 @@
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 	The author may be reached as fventuri@mediaone.net
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-	This program is free software; you can redistribute it
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-	and/or  modify it under  the terms of  the GNU General
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-	Public  License as  published  by  the  Free  Software
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-	Foundation;  either  version 2 of the License, or  (at
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-	your option) any later version.
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 	Changes:
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@@ -316,7 +312,7 @@
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 card_send_command(const int ioaddr[], const char* name,
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 	const unsigned char out[], unsigned char in[])
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 {
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-	int status, x;
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+	int status;
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 	if ((status = card_wait_for_busy_clear(ioaddr, name)))
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 		return status;
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@@ -345,9 +341,7 @@
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 				out[0], out[1], out[2], out[3], out[4], out[5]);
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 	}
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-	if (out[1] == 0x1b) {
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-		x = (out[2] == 0x02);
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-	} else {
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+	if (out[1] != 0x1b) {
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 		if (out[0] >= 0x80 && in[0] != (out[1] | 0x80))
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 			return -EIO;
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 	}
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@@ -490,14 +484,13 @@
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 	static const unsigned char Command0[6] = {0x80, 0x1f, 0x00, 0x00, 0x00, 0x00};
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 	unsigned char st[7];
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-	int crc, status;
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+	int status;
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 	/* check CRC */
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 	if ((status = card_send_command(ioaddr, name, Command0, st)))
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 		return status;
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 	if (st[1] != st[3] || st[2] != st[4])
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 		return -EIO;
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-	crc = st[1] << 8 | st[2];
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 	return 0;
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 }
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@@ -535,17 +528,20 @@
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 	int status;
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 	ssleep(1);
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-	if ((status = card_send_command(ioaddr, name, Command0, st)))
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+	status = card_send_command(ioaddr, name, Command0, st);
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+	if (status)
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 		return status;
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-	if ((status = card_send_command(ioaddr, name, Command1, st)))
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+	status = card_send_command(ioaddr, name, Command1, st);
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+	if (status)
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 		return status;
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 	if (st[3] != 0xf1) {
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-    	if ((status = sb1000_start_get_set_command(ioaddr, name)))
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+		status = sb1000_start_get_set_command(ioaddr, name);
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+		if (status)
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 			return status;
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 		return -EIO;
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 	}
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 	udelay(1000);
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-    return sb1000_start_get_set_command(ioaddr, name);
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+	return sb1000_start_get_set_command(ioaddr, name);
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 }
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 /* get SB1000 firmware version */