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>

1 files changed, 30 insertions, 34 deletions

diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 3cd255f0b211..c1542703fbab 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 @@ 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);