diff options
| author | David Lopo | 2008-04-29 11:14:38 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2008-05-02 19:25:58 +0200 |
| commit | 62fd2cac5bf5cf9e6fcb2fc40b32e7271e605c53 (patch) | |
| tree | 8e46c093b1c3191a57a14acb78f58a18773483ab /drivers/usb/gadget | |
| parent | USB GADGET/PERIPHERAL: g_file_storage Bulk-Only Transport compliance (diff) | |
| download | kernel-qcow2-linux-62fd2cac5bf5cf9e6fcb2fc40b32e7271e605c53.tar.gz kernel-qcow2-linux-62fd2cac5bf5cf9e6fcb2fc40b32e7271e605c53.tar.xz kernel-qcow2-linux-62fd2cac5bf5cf9e6fcb2fc40b32e7271e605c53.zip | |
USB GADGET/PERIPHERAL: g_file_storage Bulk-Only Transport compliance, clear-feature ignore
Gadget tells controller driver to ignore Clear-Feature(HALT_ENDPOINT)
Signed-off-by: David Lopo <lopo.david@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Diffstat (limited to 'drivers/usb/gadget')
| -rw-r--r-- | drivers/usb/gadget/file_storage.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c index bf3f946fd455..47bb9f09a1aa 100644 --- a/drivers/usb/gadget/file_storage.c +++ b/drivers/usb/gadget/file_storage.c @@ -2307,6 +2307,29 @@ static int halt_bulk_in_endpoint(struct fsg_dev *fsg) return rc; } +static int wedge_bulk_in_endpoint(struct fsg_dev *fsg) +{ + int rc; + + DBG(fsg, "bulk-in set wedge\n"); + rc = usb_ep_set_wedge(fsg->bulk_in); + if (rc == -EAGAIN) + VDBG(fsg, "delayed bulk-in endpoint wedge\n"); + while (rc != 0) { + if (rc != -EAGAIN) { + WARN(fsg, "usb_ep_set_wedge -> %d\n", rc); + rc = 0; + break; + } + + /* Wait for a short time and then try again */ + if (msleep_interruptible(100) != 0) + return -EINTR; + rc = usb_ep_set_wedge(fsg->bulk_in); + } + return rc; +} + static int pad_with_zeros(struct fsg_dev *fsg) { struct fsg_buffhd *bh = fsg->next_buffhd_to_fill; @@ -2957,7 +2980,7 @@ static int received_cbw(struct fsg_dev *fsg, struct fsg_buffhd *bh) * We aren't required to halt the OUT endpoint; instead * we can simply accept and discard any data received * until the next reset. */ - halt_bulk_in_endpoint(fsg); + wedge_bulk_in_endpoint(fsg); set_bit(IGNORE_BULK_OUT, &fsg->atomic_bitflags); return -EINVAL; } |