Refreshed all patches. Compile-tested on: cns3xxx Runtime-tested on: cns3xxx Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
		
			
				
	
	
		
			34 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			34 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
--- a/drivers/tty/serial/8250/8250.h
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+++ b/drivers/tty/serial/8250/8250.h
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@@ -80,6 +80,7 @@ struct serial8250_config {
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 #define UART_CAP_MINI	(1 << 17)	/* Mini UART on BCM283X family lacks:
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 					 * STOP PARITY EPAR SPAR WLEN5 WLEN6
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 					 */
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+#define UART_CAP_NMOD	(1 << 18)	/* UART doesn't do termios */
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 #define UART_BUG_QUOT	(1 << 0)	/* UART has buggy quot LSB */
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 #define UART_BUG_TXEN	(1 << 1)	/* UART has buggy TX IIR status */
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--- a/drivers/tty/serial/8250/8250_port.c
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+++ b/drivers/tty/serial/8250/8250_port.c
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@@ -297,7 +297,7 @@ static const struct serial8250_config ua
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 		.tx_loadsz	= 16,
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 		.fcr		= UART_FCR_ENABLE_FIFO |
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 				  UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT,
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-		.flags		= UART_CAP_FIFO,
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+		.flags		= UART_CAP_FIFO | UART_CAP_NMOD,
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 	},
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 	[PORT_NPCM] = {
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 		.name		= "Nuvoton 16550",
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@@ -2648,6 +2648,11 @@ serial8250_do_set_termios(struct uart_po
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 	unsigned long flags;
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 	unsigned int baud, quot, frac = 0;
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+	if (up->capabilities & UART_CAP_NMOD) {
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+		termios->c_cflag = 0;
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+		return;
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+	}
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+
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 	if (up->capabilities & UART_CAP_MINI) {
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 		termios->c_cflag &= ~(CSTOPB | PARENB | PARODD | CMSPAR);
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 		if ((termios->c_cflag & CSIZE) == CS5 ||
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