summaryrefslogtreecommitdiffstats
path: root/include/linux/serial_8250.h
diff options
context:
space:
mode:
authorPeter Hurley <peter@hurleysoftware.com>2015-02-24 14:25:14 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-03-26 18:18:20 +0100
commit403753937020549e4bb0d8ef6e915f00a338a096 (patch)
treefe36c7e398cc3d28c3c7bd7a0bd1245f6d0ddf1c /include/linux/serial_8250.h
parent3b81c26c92414024a8046eb216782f3d599a5d77 (diff)
downloadlinux-stable-403753937020549e4bb0d8ef6e915f00a338a096.tar.gz
linux-stable-403753937020549e4bb0d8ef6e915f00a338a096.tar.bz2
linux-stable-403753937020549e4bb0d8ef6e915f00a338a096.zip
serial: 8250: Decouple RSA probe
Prepare for 8250 split; separate RSA probe and resource management from base port operations. Override base port operations for the config_port(), request_port() and release_port() methods to implement the optional RSA probe and resource management only in the universal/legacy 8250 driver. Introduce 'probe' flags for 8250 ports, which allows drivers higher up the driver stack to enable optional probes. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/serial_8250.h')
-rw-r--r--include/linux/serial_8250.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index 50735a9ad598..78097e7a330a 100644
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -102,6 +102,8 @@ struct uart_8250_port {
unsigned char canary; /* non-zero during system sleep
* if no_console_suspend
*/
+ unsigned char probe;
+#define UART_PROBE_RSA (1 << 0)
/*
* Some bits in registers are cleared on a read, so they must