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serial: 8250_exar: Remove useless has_slave member

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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>
This commit is contained in:
Andy Shevchenko 2018-07-18 18:20:48 +03:00 committed by Greg Kroah-Hartman
parent 2ff5fa7f74
commit 328c11f24b
1 changed files with 2 additions and 5 deletions
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7
drivers/tty/serial/8250/8250_exar.c
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@ -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,
};