diff options
| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2012-01-13 22:04:17 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2012-01-25 02:30:23 +0400 |
| commit | 2851784f4d820bc697a8cc608509f9e3975c80e5 (patch) | |
| tree | 5d2be93cdaef4a56e41641cca0abcd0b834a6a5f /drivers/usb/host/uhci-hcd.c | |
| parent | 98d9a82e5f753a2483d7b4638802d60e94e5d2e4 (diff) | |
| download | linux-2851784f4d820bc697a8cc608509f9e3975c80e5.tar.xz | |
usb/uhci: initialize sg_table properly
Commit 689d6eac ("USB: UHCI: add native scatter-gather support(v1))
added sg support to uhci but forgot to set the sg_table so this feature
remained unused.
Cc: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/uhci-hcd.c')
| -rw-r--r-- | drivers/usb/host/uhci-hcd.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c index 6b5eb1017e2c..e37dea87bb56 100644 --- a/drivers/usb/host/uhci-hcd.c +++ b/drivers/usb/host/uhci-hcd.c @@ -565,6 +565,9 @@ static int uhci_start(struct usb_hcd *hcd) struct dentry __maybe_unused *dentry; hcd->uses_new_polling = 1; + /* Accept arbitrarily long scatter-gather lists */ + if (!(hcd->driver->flags & HCD_LOCAL_MEM)) + hcd->self.sg_tablesize = ~0; spin_lock_init(&uhci->lock); setup_timer(&uhci->fsbr_timer, uhci_fsbr_timeout, |