GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-07-23 07:12:09 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

serial: kill off uart_info

Browse source 
We moved this into uart_state, now move the fields out of the separate
structure and kill it off.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Cox 2009-09-19 13:13:28 -07:00 • committed by Live-CD User
parent 11d85d7b2e
commit ebd2c8f6d2
50 changed files with 422 additions and 432 deletions
Download patch file Download diff file Expand all files Collapse all files

64
include/linux/serial_core.h
View file

@ -186,7 +186,6 @@
#include <linux/sysrq.h>
struct uart_port;
struct uart_info;
struct serial_struct;
struct device;
@ -284,7 +283,7 @@ struct uart_port {
unsigned int read_status_mask; /* driver specific */
unsigned int ignore_status_mask; /* driver specific */
struct uart_info *info; /* pointer to parent info */
struct uart_state *state; /* pointer to parent state */
struct uart_icount icount; /* statistics */
struct console *cons; /* struct console, if any */
@ -343,8 +342,22 @@ struct uart_port {
*/
typedef unsigned int __bitwise__ uif_t;
struct uart_info {
/*
* This is the state information which is persistent across opens.
* The low level driver must not to touch any elements contained
* within.
*/
struct uart_state {
struct tty_port port;
unsigned int close_delay; /* msec */
unsigned int closing_wait; /* msec */
#define USF_CLOSING_WAIT_INF (0)
#define USF_CLOSING_WAIT_NONE (~0U)
int count;
int pm_state;
struct circ_buf xmit;
uif_t flags;
@ -362,24 +375,7 @@ struct uart_info {
struct tasklet_struct tlet;
wait_queue_head_t delta_msr_wait;
};
/*
* This is the state information which is persistent across opens.
* The low level driver must not to touch any elements contained
* within.
*/
struct uart_state {
unsigned int close_delay; /* msec */
unsigned int closing_wait; /* msec */
#define USF_CLOSING_WAIT_INF (0)
#define USF_CLOSING_WAIT_NONE (~0U)
int count;
int pm_state;
struct uart_info info;
struct uart_port *port;
struct uart_port *uart_port;
struct mutex mutex;
};
@ -462,7 +458,7 @@ int uart_resume_port(struct uart_driver *reg, struct uart_port *port);
static inline int uart_tx_stopped(struct uart_port *port)
{
struct tty_struct *tty = port->info->port.tty;
struct tty_struct *tty = port->state->port.tty;
if(tty->stopped || tty->hw_stopped)
return 1;
return 0;
@ -477,7 +473,7 @@ uart_handle_sysrq_char(struct uart_port *port, unsigned int ch)
#ifdef SUPPORT_SYSRQ
if (port->sysrq) {
if (ch && time_before(jiffies, port->sysrq)) {
handle_sysrq(ch, port->info->port.tty);
handle_sysrq(ch, port->state->port.tty);
port->sysrq = 0;
return 1;
}
@ -495,7 +491,7 @@ uart_handle_sysrq_char(struct uart_port *port, unsigned int ch)
*/
static inline int uart_handle_break(struct uart_port *port)
{
struct uart_info *info = port->info;
struct uart_state *state = port->state;
#ifdef SUPPORT_SYSRQ
if (port->cons && port->cons->index == port->line) {
if (!port->sysrq) {
@ -506,7 +502,7 @@ static inline int uart_handle_break(struct uart_port *port)
}
#endif
if (port->flags & UPF_SAK)
do_SAK(info->port.tty);
do_SAK(state->port.tty);
return 0;
}
@ -518,7 +514,7 @@ static inline int uart_handle_break(struct uart_port *port)
static inline void
uart_handle_dcd_change(struct uart_port *port, unsigned int status)
{
struct uart_info *info = port->info;
struct uart_state *state = port->state;
port->icount.dcd++;
@ -527,11 +523,11 @@ uart_handle_dcd_change(struct uart_port *port, unsigned int status)
hardpps();
#endif
if (info->flags & UIF_CHECK_CD) {
if (state->flags & UIF_CHECK_CD) {
if (status)
wake_up_interruptible(&info->port.open_wait);
else if (info->port.tty)
tty_hangup(info->port.tty);
wake_up_interruptible(&state->port.open_wait);
else if (state->port.tty)
tty_hangup(state->port.tty);
}
}
@ -543,12 +539,12 @@ uart_handle_dcd_change(struct uart_port *port, unsigned int status)
static inline void
uart_handle_cts_change(struct uart_port *port, unsigned int status)
{
struct uart_info *info = port->info;
struct tty_struct *tty = info->port.tty;
struct uart_state *state = port->state;
struct tty_struct *tty = state->port.tty;
port->icount.cts++;
if (info->flags & UIF_CTS_FLOW) {
if (state->flags & UIF_CTS_FLOW) {
if (tty->hw_stopped) {
if (status) {
tty->hw_stopped = 0;
@ -570,7 +566,7 @@ static inline void
uart_insert_char(struct uart_port *port, unsigned int status,
unsigned int overrun, unsigned int ch, unsigned int flag)
{
struct tty_struct *tty = port->info->port.tty;
struct tty_struct *tty = port->state->port.tty;
if ((status & port->ignore_status_mask & ~overrun) == 0)
tty_insert_flip_char(tty, ch, flag);