Commit 3c369a85 authored by Johan Hovold's avatar Johan Hovold
Browse files

USB: serial: xr: rename GPIO-mode defines 



Rename the GPIO mode defines so that they reflect the datasheet and how
they are used.

Signed-off-by: default avatarJohan Hovold <johan@kernel.org>
parent 23b7998e

drivers/usb/serial/xr_serial.c

+7 −7
Original line number Diff line number Diff line
@@ -88,11 +88,11 @@ struct xr_txrx_clk_mask { 
#define XR21V141X_UART_FLOW_MODE_HW	0x1

#define XR21V141X_UART_FLOW_MODE_SW	0x2



#define XR21V141X_UART_MODE_GPIO_MASK	GENMASK(2, 0)

#define XR21V141X_UART_MODE_RTS_CTS	0x1

#define XR21V141X_UART_MODE_DTR_DSR	0x2

#define XR21V141X_UART_MODE_RS485	0x3

#define XR21V141X_UART_MODE_RS485_ADDR	0x4

#define XR21V141X_GPIO_MODE_MASK	GENMASK(2, 0)

#define XR21V141X_GPIO_MODE_RTS_CTS	0x1

#define XR21V141X_GPIO_MODE_DTR_DSR	0x2

#define XR21V141X_GPIO_MODE_RS485	0x3

#define XR21V141X_GPIO_MODE_RS485_ADDR	0x4



#define XR21V141X_REG_ENABLE		0x03

#define XR21V141X_REG_FORMAT		0x0b
@@ -433,11 +433,11 @@ static void xr_set_flow_mode(struct tty_struct *tty, 
		return;



	/* Set GPIO mode for controlling the pins manually by default. */

	gpio_mode &= ~XR21V141X_UART_MODE_GPIO_MASK;

	gpio_mode &= ~XR21V141X_GPIO_MODE_MASK;



	if (C_CRTSCTS(tty) && C_BAUD(tty) != B0) {

		dev_dbg(&port->dev, "Enabling hardware flow ctrl\n");

		gpio_mode |= XR21V141X_UART_MODE_RTS_CTS;

		gpio_mode |= XR21V141X_GPIO_MODE_RTS_CTS;

		flow = XR21V141X_UART_FLOW_MODE_HW;

	} else if (I_IXON(tty)) {

		u8 start_char = START_CHAR(tty);