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path: root/drivers/usb/host/ehci-hcd.c
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Diffstat (limited to 'drivers/usb/host/ehci-hcd.c')
-rw-r--r--drivers/usb/host/ehci-hcd.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 3243c1d1cf..be3e842dcc 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1596,6 +1596,17 @@ static int ehci_destroy_int_queue(struct udevice *dev, struct usb_device *udev,
return _ehci_destroy_int_queue(udev, queue);
}
+static int ehci_get_max_xfer_size(struct udevice *dev, size_t *size)
+{
+ /*
+ * EHCD can handle any transfer length as long as there is enough
+ * free heap space left, hence set the theoretical max number here.
+ */
+ *size = SIZE_MAX;
+
+ return 0;
+}
+
int ehci_register(struct udevice *dev, struct ehci_hccr *hccr,
struct ehci_hcor *hcor, const struct ehci_ops *ops,
uint tweaks, enum usb_init_type init)
@@ -1658,6 +1669,7 @@ struct dm_usb_ops ehci_usb_ops = {
.create_int_queue = ehci_create_int_queue,
.poll_int_queue = ehci_poll_int_queue,
.destroy_int_queue = ehci_destroy_int_queue,
+ .get_max_xfer_size = ehci_get_max_xfer_size,
};
#endif