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authorJamie Iles <jamie@jamieiles.com>2011-08-15 13:17:51 +0400
committerGreg Kroah-Hartman <gregkh@suse.de>2011-08-23 21:52:58 +0400
commita74036f51272975e9538e80cd1bb64dce164b208 (patch)
treefd2cf8d07497836aee616467d3fa410d33b78db0 /include/linux/serial_core.h
parent2a8d7bddf273477d6aa81405c9b4bae223e11ed9 (diff)
downloadlinux-a74036f51272975e9538e80cd1bb64dce164b208.tar.xz
tty: serial: allow ports to override the irq handler
Some serial ports may have unusal requirements for interrupt handling (e.g. the Synopsys DesignWare 8250-alike port and it's busy detect interrupt). Add a .handle_irq callback that can be used for platforms to override the interrupt behaviour in a similar fashion to the .serial_out and .serial_in callbacks. Signed-off-by: Jamie Iles <jamie@jamieiles.com> Acked-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/linux/serial_core.h')
-rw-r--r--include/linux/serial_core.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 76e110363745..c31ae43c073d 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -300,6 +300,7 @@ struct uart_port {
void (*set_termios)(struct uart_port *,
struct ktermios *new,
struct ktermios *old);
+ int (*handle_irq)(struct uart_port *);
void (*pm)(struct uart_port *, unsigned int state,
unsigned int old);
unsigned int irq; /* irq number */