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| author | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2009-03-10 20:59:16 +0100 |
|---|---|---|
| committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2009-03-24 20:56:49 +0100 |
| commit | c8a25900f35e575938c791507894c036c0f2ca7d (patch) | |
| tree | e413f9e098dea94c74fd0aab35a511800043c97b /drivers/firewire/fw-cdev.c | |
| parent | 6104ee92d62ea3638b67494fcf061cb4b9b9d518 (diff) | |
| download | lwn-c8a25900f35e575938c791507894c036c0f2ca7d.tar.gz lwn-c8a25900f35e575938c791507894c036c0f2ca7d.zip | |
firewire: cdev: amendment to "add ioctl to query maximum transmission speed"
The as yet unreleased FW_CDEV_IOC_GET_SPEED ioctl puts only a single
integer into the parameter buffer. We can use ioctl()'s return value
instead.
(Also: Some whitespace change in firewire-cdev.h.)
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'drivers/firewire/fw-cdev.c')
| -rw-r--r-- | drivers/firewire/fw-cdev.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/firewire/fw-cdev.c b/drivers/firewire/fw-cdev.c index 539dae5eb5b2..2784f91896db 100644 --- a/drivers/firewire/fw-cdev.c +++ b/drivers/firewire/fw-cdev.c @@ -1214,13 +1214,14 @@ static int ioctl_deallocate_iso_resource_once(struct client *client, void *buffe return init_iso_resource(client, request, ISO_RES_DEALLOC_ONCE); } +/* + * Returns a speed code: Maximum speed to or from this device, + * limited by the device's link speed, the local node's link speed, + * and all PHY port speeds between the two links. + */ static int ioctl_get_speed(struct client *client, void *buffer) { - struct fw_cdev_get_speed *request = buffer; - - request->max_speed = client->device->max_speed; - - return 0; + return client->device->max_speed; } static int ioctl_send_broadcast_request(struct client *client, void *buffer) |