disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/tty/serial/atmel_serial.c
..
..
@@ -873,11 +873,11 @@
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873
 
874
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 	port->icount.tx += atmel_port->tx_len;
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875
 
876
-	spin_lock_irq(&atmel_port->lock_tx);
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+	spin_lock(&atmel_port->lock_tx);
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 	async_tx_ack(atmel_port->desc_tx);
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 	atmel_port->cookie_tx = -EINVAL;
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 	atmel_port->desc_tx = NULL;
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-	spin_unlock_irq(&atmel_port->lock_tx);
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+	spin_unlock(&atmel_port->lock_tx);
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881
 
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 	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
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 		uart_write_wakeup(port);
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..
@@ -2633,13 +2633,7 @@
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 	else if (mr == ATMEL_US_PAR_ODD)
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 		*parity = 'o';
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2635
 
2636
-	/*
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-	 * The serial core only rounds down when matching this to a
2638
-	 * supported baud rate. Make sure we don't end up slightly
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-	 * lower than one of those, as it would make us fall through
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-	 * to a much lower baud rate than we really want.
2641
-	 */
2642
-	*baud = port->uartclk / (16 * (quot - 1));
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+	*baud = port->uartclk / (16 * quot);
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2637
 }
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2638
 
2645
2639
 static int __init atmel_console_setup(struct console *co, char *options)