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serial-uartlite: Constify uartlite_be/uartlite_le

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Made uartlite_be and uartlite_le constants.

Signed-off-by: Maarten Brock <m.brock@vanmierlo.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Maarten Brock 2016-04-22 18:19:33 +02:00 committed by Greg Kroah-Hartman
parent 1681d2116c
commit 973ea59e8c
1 changed files with 6 additions and 6 deletions
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12
drivers/tty/serial/uartlite.c
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@ -72,7 +72,7 @@ static void uartlite_outbe32(u32 val, void __iomem *addr)
iowrite32be(val, addr);
}
static struct uartlite_reg_ops uartlite_be = {
static const struct uartlite_reg_ops uartlite_be = {
.in = uartlite_inbe32,
.out = uartlite_outbe32,
};
@ -87,21 +87,21 @@ static void uartlite_outle32(u32 val, void __iomem *addr)
iowrite32(val, addr);
}
static struct uartlite_reg_ops uartlite_le = {
static const struct uartlite_reg_ops uartlite_le = {
.in = uartlite_inle32,
.out = uartlite_outle32,
};
static inline u32 uart_in32(u32 offset, struct uart_port *port)
{
struct uartlite_reg_ops *reg_ops = port->private_data;
const struct uartlite_reg_ops *reg_ops = port->private_data;
return reg_ops->in(port->membase + offset);
}
static inline void uart_out32(u32 val, u32 offset, struct uart_port *port)
{
struct uartlite_reg_ops *reg_ops = port->private_data;
const struct uartlite_reg_ops *reg_ops = port->private_data;
reg_ops->out(val, port->membase + offset);
}
@ -345,13 +345,13 @@ static int ulite_request_port(struct uart_port *port)
return -EBUSY;
}
port->private_data = &uartlite_be;
port->private_data = (void *)&uartlite_be;
ret = uart_in32(ULITE_CONTROL, port);
uart_out32(ULITE_CONTROL_RST_TX, ULITE_CONTROL, port);
ret = uart_in32(ULITE_STATUS, port);
/* Endianess detection */
if ((ret & ULITE_STATUS_TXEMPTY) != ULITE_STATUS_TXEMPTY)
port->private_data = &uartlite_le;
port->private_data = (void *)&uartlite_le;
return 0;
}