serial: kill off uart_info
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>
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 3cd255f..c154270 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -186,7 +186,6 @@
#include <linux/sysrq.h>
struct uart_port;
-struct uart_info;
struct serial_struct;
struct device;
@@ -284,7 +283,7 @@
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 @@
*/
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 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 @@
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 @@
#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 @@
*/
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 @@
}
#endif
if (port->flags & UPF_SAK)
- do_SAK(info->port.tty);
+ do_SAK(state->port.tty);
return 0;
}
@@ -518,7 +514,7 @@
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 @@
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 @@
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 @@
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);