serial: 8250_exar: Remove useless has_slave member

Exar UARTs by default supports only up to 8 channels,
all above go as extension. Thus, there is no need to have
an additional property to distinguish them from first ones.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c
index 102e059..eafe70c 100644 (file)
--- a/drivers/tty/serial/8250/8250_exar.c
+++ b/drivers/tty/serial/8250/8250_exar.c
@@ -113,7 +113,6 @@ struct exar8250_platform {
 struct exar8250_board {
        unsigned int num_ports;
        unsigned int reg_shift;
-       bool has_slave;
        int     (*setup)(struct exar8250 *, struct pci_dev *,
                         struct uart_8250_port *, int);
        void    (*exit)(struct pci_dev *pcidev);
@@ -394,10 +393,10 @@ pci_xr17v35x_setup(struct exar8250 *priv, struct pci_dev *pcidev,
        port->port.rs485_config = platform->rs485_config;
 
        /*
-        * Setup the uart clock for the devices on expansion slot to
+        * Setup the UART clock for the devices on expansion slot to
         * half the clock speed of the main chip (which is 125MHz)
         */
-       if (board->has_slave && idx >= 8)
+       if (idx >= 8)
                port->port.uartclk /= 2;
 
        ret = default_setup(priv, pcidev, idx, offset, port);
@@ -602,14 +601,12 @@ static const struct exar8250_board pbn_exar_XR17V35x = {
 
 static const struct exar8250_board pbn_exar_XR17V4358 = {
        .num_ports      = 12,
-       .has_slave      = true,
        .setup          = pci_xr17v35x_setup,
        .exit           = pci_xr17v35x_exit,
 };
 
 static const struct exar8250_board pbn_exar_XR17V8358 = {
        .num_ports      = 16,
-       .has_slave      = true,
        .setup          = pci_xr17v35x_setup,
        .exit           = pci_xr17v35x_exit,
 };