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: Johan Hovold <johan@kernel.org>

diff --git a/drivers/usb/serial/xr_serial.c b/drivers/usb/serial/xr_serial.c
index 64bc9d7..a600448 100644 (file)
--- a/drivers/usb/serial/xr_serial.c
+++ b/drivers/usb/serial/xr_serial.c
@@ -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);