add r8169 read mac form eeprom

hc

2024-02-19 1c055e55a242a33e574e48be530e06770a210dcd

 kernel/drivers/tty/serial/serial_txx9.c
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@@ -12,10 +12,6 @@
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  *  Serial driver for TX3927/TX4927/TX4925/TX4938 internal SIO controller
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  */
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-#if defined(CONFIG_SERIAL_TXX9_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
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-#define SUPPORT_SYSRQ
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-#endif
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-
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 #include <linux/module.h>
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 #include <linux/ioport.h>
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 #include <linux/init.h>
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@@ -248,7 +244,6 @@
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 	sio_out(up, TXX9_SIFCR, TXX9_SIFCR_SWRST);
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 	/* TX4925 BUG WORKAROUND.  Accessing SIOC register
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 	 * immediately after soft reset causes bus error. */
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-	mmiowb();
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 	udelay(1);
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 	while ((sio_in(up, TXX9_SIFCR) & TXX9_SIFCR_SWRST) && --tmout)
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 		udelay(1);
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@@ -649,6 +644,8 @@
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 	case CS6:	/* not supported */
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 	case CS8:
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 		cval |= TXX9_SILCR_UMODE_8BIT;
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+		termios->c_cflag &= ~CSIZE;
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+		termios->c_cflag |= CS8;
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 		break;
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 	}
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@@ -1096,6 +1093,7 @@
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 		port.flags	= p->flags;
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 		port.mapbase	= p->mapbase;
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 		port.dev	= &dev->dev;
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+		port.has_sysrq	= IS_ENABLED(CONFIG_SERIAL_TXX9_CONSOLE);
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 		ret = serial_txx9_register_port(&port);
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 		if (ret < 0) {
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 			dev_err(&dev->dev, "unable to register port at index %d "