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| author | Peter Hurley <peter@hurleysoftware.com> | 2013-11-22 13:06:11 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-08 17:03:03 -0800 |
| commit | 87a5a0371b7356c99f16363b80107602f110fcda (patch) | |
| tree | e0941d4432ca33612ebcdaa5eccf0ce32efbd8c0 /drivers/staging/fwserial | |
| parent | 49bb8405b4a8d3d357237770f965e7c6be4377c5 (diff) | |
| download | lwn-87a5a0371b7356c99f16363b80107602f110fcda.tar.gz lwn-87a5a0371b7356c99f16363b80107602f110fcda.zip | |
staging/fwserial: Add Kconfig options for max ports
Allow kernel configuration of max supported ports for
TTY-over-Firewire driver.
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/fwserial')
| -rw-r--r-- | drivers/staging/fwserial/Kconfig | 20 | ||||
| -rw-r--r-- | 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 a0812d99136f..9c7c9267d52c 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 eab85b49293c..54f7f9b9b212 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 |