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| author | Michael Brown | 2015-03-16 06:39:14 +0100 |
|---|---|---|
| committer | Michael Brown | 2015-03-16 16:40:53 +0100 |
| commit | 7b6765ff1b13f088f2ac41556b8639a35bd6b893 (patch) | |
| tree | 0b9fda41653e73a378aeb5fb99d473672722da34 /src/drivers/bus | |
| parent | [libc] Add ffs(), ffsl(), and ffsll() (diff) | |
| download | ipxe-7b6765ff1b13f088f2ac41556b8639a35bd6b893.tar.gz ipxe-7b6765ff1b13f088f2ac41556b8639a35bd6b893.tar.xz ipxe-7b6765ff1b13f088f2ac41556b8639a35bd6b893.zip | |
[usb] Add the concept of a USB bus maximum transfer size
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/drivers/bus')
| -rw-r--r-- | src/drivers/bus/usb.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/drivers/bus/usb.c b/src/drivers/bus/usb.c index 22a57e6e..57a25332 100644 --- a/src/drivers/bus/usb.c +++ b/src/drivers/bus/usb.c @@ -1736,11 +1736,12 @@ void free_usb_hub ( struct usb_hub *hub ) { * * @v dev Underlying hardware device * @v ports Number of root hub ports + * @v mtu Largest transfer allowed on the bus * @v op Host controller operations * @ret bus USB bus, or NULL on allocation failure */ struct usb_bus * alloc_usb_bus ( struct device *dev, unsigned int ports, - struct usb_host_operations *op ) { + size_t mtu, struct usb_host_operations *op ) { struct usb_bus *bus; /* Allocate and initialise structure */ @@ -1749,6 +1750,7 @@ struct usb_bus * alloc_usb_bus ( struct device *dev, unsigned int ports, goto err_alloc_bus; bus->name = dev->name; bus->dev = dev; + bus->mtu = mtu; bus->op = op; INIT_LIST_HEAD ( &bus->devices ); INIT_LIST_HEAD ( &bus->hubs ); |