linux-kernel - [PATCH V5 7/8] USB: f81232: fix error in f81232_carrier

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Message-Id: <1423216014-571-8-git-send-email-hpeter+linux_kernel@gmail.com>
Date:	Fri,  6 Feb 2015 17:46:53 +0800
From:	Peter Hung <hpeter@...il.com>
To:	johan@...nel.org
Cc:	gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org, tom_tsai@...tek.com.tw,
	peter_hong@...tek.com.tw,
	Peter Hung <hpeter+linux_kernel@...il.com>
Subject: [PATCH V5 7/8] USB: f81232: fix error in f81232_carrier_raised()

It's should compared with UART_MSR_DCD, not UART_DCD.
also we clean-up some non-used define to avoid impropriety use.

Signed-off-by: Peter Hung <hpeter+linux_kernel@...il.com>
---
 drivers/usb/serial/f81232.c | 16 +---------------
 1 file changed, 1 insertion(+), 15 deletions(-)

diff --git a/drivers/usb/serial/f81232.c b/drivers/usb/serial/f81232.c
index 4dddb44..07abf0c 100644
--- a/drivers/usb/serial/f81232.c
+++ b/drivers/usb/serial/f81232.c
@@ -47,20 +47,6 @@ MODULE_DEVICE_TABLE(usb, id_table);
 #define MODEM_CONTROL_REGISTER     (0x04 + SERIAL_BASE_ADDRESS)
 #define MODEM_STATUS_REGISTER      (0x06 + SERIAL_BASE_ADDRESS)
 
-#define CONTROL_DTR			0x01
-#define CONTROL_RTS			0x02
-
-#define UART_STATE			0x08
-#define UART_STATE_TRANSIENT_MASK	0x74
-#define UART_DCD			0x01
-#define UART_DSR			0x02
-#define UART_BREAK_ERROR		0x04
-#define UART_RING			0x08
-#define UART_FRAME_ERROR		0x10
-#define UART_PARITY_ERROR		0x20
-#define UART_OVERRUN_ERROR		0x40
-#define UART_CTS			0x80
-
 struct f81232_private {
 	spinlock_t lock;
 	u8 line_control;
@@ -511,7 +497,7 @@ static void f81232_dtr_rts(struct usb_serial_port *port, int on)
 static int f81232_carrier_raised(struct usb_serial_port *port)
 {
 	struct f81232_private *priv = usb_get_serial_port_data(port);
-	if (priv->modem_status & UART_DCD)
+	if (priv->modem_status & UART_MSR_DCD)
 		return 1;
 	return 0;
 }
-- 
1.9.1

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