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-rw-r--r--drivers/tty/serial/altera_uart.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/tty/serial/altera_uart.c b/drivers/tty/serial/altera_uart.c
index dee7a0eb6ea..3a573528555 100644
--- a/drivers/tty/serial/altera_uart.c
+++ b/drivers/tty/serial/altera_uart.c
@@ -86,16 +86,12 @@ struct altera_uart {
static u32 altera_uart_readl(struct uart_port *port, int reg)
{
- struct altera_uart_platform_uart *platp = port->private_data;
-
- return readl(port->membase + (reg << platp->bus_shift));
+ return readl(port->membase + (reg << port->regshift));
}
static void altera_uart_writel(struct uart_port *port, u32 dat, int reg)
{
- struct altera_uart_platform_uart *platp = port->private_data;
-
- writel(dat, port->membase + (reg << platp->bus_shift));
+ writel(dat, port->membase + (reg << port->regshift));
}
static unsigned int altera_uart_tx_empty(struct uart_port *port)
@@ -546,13 +542,17 @@ static int __devinit altera_uart_probe(struct platform_device *pdev)
if (!port->membase)
return -ENOMEM;
+ if (platp)
+ port->regshift = platp->bus_shift;
+ else
+ port->regshift = 0;
+
port->line = i;
port->type = PORT_ALTERA_UART;
port->iotype = SERIAL_IO_MEM;
port->uartclk = platp->uartclk;
port->ops = &altera_uart_ops;
port->flags = UPF_BOOT_AUTOCONF;
- port->private_data = platp;
uart_add_one_port(&altera_uart_driver, port);