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TTY: serial/m32r_sio, remove unused members

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struct uart_sio_port has a lots of unused members. Some of them are
set to some constant but never read. Remove all those.

This includes removal of uart_ops->pm handler as we never handle pm
(pm was never set).

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby 2016-01-12 10:59:09 +01:00 committed by Greg Kroah-Hartman
parent ad245aa275
commit b85e5ed562
1 changed files with 0 additions and 33 deletions
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33
drivers/tty/serial/m32r_sio.c
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@ -75,19 +75,7 @@ struct uart_sio_port {
struct uart_port port; struct uart_port port;
struct timer_list timer; /* "no irq" timer */ struct timer_list timer; /* "no irq" timer */
struct list_head list; /* ports on this IRQ */ struct list_head list; /* ports on this IRQ */
unsigned short rev;
unsigned char acr;
unsigned char ier; unsigned char ier;
unsigned char lcr;
unsigned char mcr_mask; /* mask of user bits */
unsigned char mcr_force; /* mask of forced bits */
unsigned char lsr_break_flag;
/*
* We provide a per-port pm hook.
*/
void (*pm)(struct uart_port *port,
unsigned int state, unsigned int old);
}; };
struct irq_info { struct irq_info {
@ -312,12 +300,6 @@ static void receive_chars(struct uart_sio_port *up, int *status)
*/ */
*status &= up->port.read_status_mask; *status &= up->port.read_status_mask;
if (up->port.line == up->port.cons->index) {
/* Recover the break flag from console xmit */
*status |= up->lsr_break_flag;
up->lsr_break_flag = 0;
}
if (*status & UART_LSR_BI) { if (*status & UART_LSR_BI) {
pr_debug("handling break....\n"); pr_debug("handling break....\n");
flag = TTY_BREAK; flag = TTY_BREAK;
@ -749,20 +731,9 @@ static void m32r_sio_set_termios(struct uart_port *port,
serial_out(up, UART_IER, up->ier); serial_out(up, UART_IER, up->ier);
up->lcr = cval; /* Save LCR */
spin_unlock_irqrestore(&up->port.lock, flags); spin_unlock_irqrestore(&up->port.lock, flags);
} }
static void m32r_sio_pm(struct uart_port *port, unsigned int state,
unsigned int oldstate)
{
struct uart_sio_port *up =
container_of(port, struct uart_sio_port, port);
if (up->pm)
up->pm(port, state, oldstate);
}
/* /*
* Resource handling. This is complicated by the fact that resources * Resource handling. This is complicated by the fact that resources
* depend on the port type. Maybe we should be claiming the standard * depend on the port type. Maybe we should be claiming the standard
@ -899,7 +870,6 @@ static struct uart_ops m32r_sio_pops = {
.startup = m32r_sio_startup, .startup = m32r_sio_startup,
.shutdown = m32r_sio_shutdown, .shutdown = m32r_sio_shutdown,
.set_termios = m32r_sio_set_termios, .set_termios = m32r_sio_set_termios,
.pm = m32r_sio_pm,
.release_port = m32r_sio_release_port, .release_port = m32r_sio_release_port,
.request_port = m32r_sio_request_port, .request_port = m32r_sio_request_port,
.config_port = m32r_sio_config_port, .config_port = m32r_sio_config_port,
@ -944,9 +914,6 @@ static void __init m32r_sio_register_ports(struct uart_driver *drv)
init_timer(&up->timer); init_timer(&up->timer);
up->timer.function = m32r_sio_timeout; up->timer.function = m32r_sio_timeout;
up->mcr_mask = ~0;
up->mcr_force = 0;
uart_add_one_port(drv, &up->port); uart_add_one_port(drv, &up->port);
} }
} }