[PATCH v4 12/13] USB: ch341: get rid of default configuration

Grigori Goronzy
2016-04-15T21:15:34Z

If the serial port hasn't been opened yet, no baud rate should be
set and RTS/DTR need to be deasserted.

Signed-off-by: Grigori Goronzy <greg@chown.ath.cx>
---
drivers/usb/serial/ch341.c | 7 -------
1 file changed, 7 deletions(-)

diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index 3ce2041..78adce7 100644
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -24,7 +24,6 @@
#include <linux/serial.h>
#include <asm/unaligned.h>

-#define DEFAULT_BAUD_RATE 9600
#define DEFAULT_TIMEOUT 1000

/* flags for IO-Bits */
@@ -232,10 +231,6 @@ static int ch341_configure(struct usb_device *dev, struct ch341_private *priv)
if (r < 0)
goto out;

- r = ch341_init_set_baudrate(dev, priv, 0);
- if (r < 0)
- goto out;
-
r = ch341_set_handshake(dev, priv->line_control);
if (r < 0)
goto out;
@@ -258,8 +253,6 @@ static int ch341_port_probe(struct usb_serial_port *port)
return -ENOMEM;

spin_lock_init(&priv->lock);
- priv->baud_rate = DEFAULT_BAUD_RATE;
- priv->line_control = CH341_BIT_RTS | CH341_BIT_DTR;

r = ch341_configure(port->serial->dev, priv);
if (r < 0)
--
1.9.1