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ARM: sa1100/hackkit: remove empty serial mctrl functions

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Remove the empty serial modem control signal functions from hackkit
as these are unnecessary - the core code can copes fine without
these.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Russell King 2016-08-31 08:49:52 +01:00
parent 88a4c748ba
commit cf56ffaa51
1 changed files with 0 additions and 48 deletions
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48
arch/arm/mach-sa1100/hackkit.c
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@ -49,8 +49,6 @@
/* init funcs */
static void __init hackkit_map_io(void);
static u_int hackkit_get_mctrl(struct uart_port *port);
static void hackkit_set_mctrl(struct uart_port *port, u_int mctrl);
static void hackkit_uart_pm(struct uart_port *port, u_int state, u_int oldstate);
/**********************************************************************
@ -71,8 +69,6 @@ static struct map_desc hackkit_io_desc[] __initdata = {
};
static struct sa1100_port_fns hackkit_port_fns __initdata = {
.set_mctrl = hackkit_set_mctrl,
.get_mctrl = hackkit_get_mctrl,
.pm = hackkit_uart_pm,
};
@ -105,50 +101,6 @@ static void hackkit_uart_pm(struct uart_port *port, u_int state, u_int oldstate)
/* TODO: switch on/off uart in powersave mode */
}
/*
* Note! this can be called from IRQ context.
* FIXME: No modem ctrl lines yet.
*/
static void hackkit_set_mctrl(struct uart_port *port, u_int mctrl)
{
#if 0
if (port->mapbase == _Ser1UTCR0) {
u_int set = 0, clear = 0;
if (mctrl & TIOCM_RTS)
set |= PT_CTRL2_RS1_RTS;
else
clear |= PT_CTRL2_RS1_RTS;
if (mctrl & TIOCM_DTR)
set |= PT_CTRL2_RS1_DTR;
else
clear |= PT_CTRL2_RS1_DTR;
PTCTRL2_clear(clear);
PTCTRL2_set(set);
}
#endif
}
static u_int hackkit_get_mctrl(struct uart_port *port)
{
u_int ret = 0;
#if 0
u_int irqsr = PT_IRQSR;
/* need 2 reads to read current value */
irqsr = PT_IRQSR;
/* TODO: check IRQ source register for modem/com
status lines and set them correctly. */
#endif
ret = TIOCM_CD | TIOCM_CTS | TIOCM_DSR;
return ret;
}
static struct mtd_partition hackkit_partitions[] = {
{
.name = "BLOB",