diff options
author | Alan Cox <alan@redhat.com> | 2008-07-16 20:53:50 (GMT) |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-21 00:12:35 (GMT) |
commit | df4f4dd429870f435f8d5d9d561db029a29f063b (patch) | |
tree | 5e33106f5e5fc4c530170087d3151c13659fad1f /include/linux/serial_core.h | |
parent | 6f67048cd010afe19d79d821f16055d9c704c6f0 (diff) | |
download | linux-fsl-qoriq-df4f4dd429870f435f8d5d9d561db029a29f063b.tar.xz |
serial: use tty_port
Switch the serial_core based drivers to use the new tty_port structure.
We can't quite use all of it yet because of the dynamically allocated
extras in the serial_core layer.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/serial_core.h')
-rw-r--r-- | include/linux/serial_core.h | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index 1d2faa6..f3a1c0e 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -344,13 +344,15 @@ typedef unsigned int __bitwise__ uif_t; * stuff here. */ struct uart_info { - struct tty_struct *tty; + struct tty_port port; struct circ_buf xmit; uif_t flags; /* * Definitions for info->flags. These are _private_ to serial_core, and * are specific to this structure. They may be queried by low level drivers. + * + * FIXME: use the ASY_ definitions */ #define UIF_CHECK_CD ((__force uif_t) (1 << 25)) #define UIF_CTS_FLOW ((__force uif_t) (1 << 26)) @@ -358,11 +360,7 @@ struct uart_info { #define UIF_INITIALIZED ((__force uif_t) (1 << 31)) #define UIF_SUSPENDED ((__force uif_t) (1 << 30)) - int blocked_open; - struct tasklet_struct tlet; - - wait_queue_head_t open_wait; wait_queue_head_t delta_msr_wait; }; @@ -439,8 +437,8 @@ int uart_resume_port(struct uart_driver *reg, struct uart_port *port); #define uart_circ_chars_free(circ) \ (CIRC_SPACE((circ)->head, (circ)->tail, UART_XMIT_SIZE)) -#define uart_tx_stopped(port) \ - ((port)->info->tty->stopped || (port)->info->tty->hw_stopped) +#define uart_tx_stopped(portp) \ + ((portp)->info->port.tty->stopped || (portp)->info->port.tty->hw_stopped) /* * The following are helper functions for the low level drivers. @@ -451,7 +449,7 @@ 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->info->tty : NULL); + handle_sysrq(ch, port->info ? port->info->port.tty : NULL); port->sysrq = 0; return 1; } @@ -480,7 +478,7 @@ static inline int uart_handle_break(struct uart_port *port) } #endif if (port->flags & UPF_SAK) - do_SAK(info->tty); + do_SAK(info->port.tty); return 0; } @@ -503,9 +501,9 @@ uart_handle_dcd_change(struct uart_port *port, unsigned int status) if (info->flags & UIF_CHECK_CD) { if (status) - wake_up_interruptible(&info->open_wait); - else if (info->tty) - tty_hangup(info->tty); + wake_up_interruptible(&info->port.open_wait); + else if (info->port.tty) + tty_hangup(info->port.tty); } } @@ -518,7 +516,7 @@ 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->tty; + struct tty_struct *tty = info->port.tty; port->icount.cts++; @@ -544,7 +542,7 @@ 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->tty; + struct tty_struct *tty = port->info->port.tty; if ((status & port->ignore_status_mask & ~overrun) == 0) tty_insert_flip_char(tty, ch, flag); |