lkml.org 
[lkml]   [2013]   [Nov]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH staging-next 4/4] staging/fwserial: Add Kconfig options for max ports
Date
Allow kernel configuration of max supported ports for
TTY-over-Firewire driver.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
---
drivers/staging/fwserial/Kconfig | 20 ++++++++++++++++++++
drivers/staging/fwserial/fwserial.h | 4 ++--
2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/fwserial/Kconfig b/drivers/staging/fwserial/Kconfig
index a0812d9..9c7c926 100644
--- a/drivers/staging/fwserial/Kconfig
+++ b/drivers/staging/fwserial/Kconfig
@@ -9,3 +9,23 @@ config FIREWIRE_SERIAL

To compile this driver as a module, say M here: the module will
be called firewire-serial.
+
+if FIREWIRE_SERIAL
+
+config FWTTY_MAX_TOTAL_PORTS
+ int "Maximum number of serial ports supported"
+ default "64"
+ help
+ Set this to the maximum number of serial ports you want the
+ firewire-serial driver to support.
+
+config FWTTY_MAX_CARD_PORTS
+ int "Maximum number of serial ports supported per adapter"
+ range 0 FWTTY_MAX_TOTAL_PORTS
+ default "32"
+ help
+ Set this to the maximum number of serial ports each firewire
+ adapter supports. The actual number of serial ports registered
+ is set with the module parameter "ttys".
+
+endif
diff --git a/drivers/staging/fwserial/fwserial.h b/drivers/staging/fwserial/fwserial.h
index eab85b4..54f7f9b 100644
--- a/drivers/staging/fwserial/fwserial.h
+++ b/drivers/staging/fwserial/fwserial.h
@@ -291,8 +291,8 @@ struct fwtty_port {
#define FREQ_BREAKS (HZ / 50)

/* Ports are allocated in blocks of num_ports for each fw_card */
-#define MAX_CARD_PORTS 32 /* max # of ports per card */
-#define MAX_TOTAL_PORTS 64 /* max # of ports total */
+#define MAX_CARD_PORTS CONFIG_FWTTY_MAX_CARD_PORTS
+#define MAX_TOTAL_PORTS CONFIG_FWTTY_MAX_TOTAL_PORTS

/* tuning parameters */
#define FWTTY_PORT_TXFIFO_LEN 4096
--
1.8.1.2


\
 
 \ /
  Last update: 2013-11-22 19:21    [W:0.086 / U:0.016 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site