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| author | Thomas Pugliese <thomas.pugliese@gmail.com> | 2013-10-23 23:44:28 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-10-30 03:44:49 +0400 |
| commit | f07ddb9ef5c25c1044ab5b6509241320fb5e831a (patch) | |
| tree | 6f7bb348ad03cc4e7e52634de48deaeecd468ae2 /drivers/usb/wusbcore/wa-hc.h | |
| parent | 2101242cef04991a580c3debb46972dbfaaaf138 (diff) | |
| download | linux-f07ddb9ef5c25c1044ab5b6509241320fb5e831a.tar.xz | |
usb: wusbcore: add a quirk for Alereon HWA device isoc behavior
Add a quirk for Alereon HWA devices to concatenate the frames of isoc
transfer requests.
Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/wusbcore/wa-hc.h')
| -rw-r--r-- | drivers/usb/wusbcore/wa-hc.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/usb/wusbcore/wa-hc.h b/drivers/usb/wusbcore/wa-hc.h index 41afaa6d01d2..e614f02f0cf2 100644 --- a/drivers/usb/wusbcore/wa-hc.h +++ b/drivers/usb/wusbcore/wa-hc.h @@ -128,6 +128,14 @@ enum wa_dti_state { WA_DTI_ISOC_PACKET_STATUS_PENDING }; +enum wa_quirks { + /* + * The Alereon HWA expects the data frames in isochronous transfer + * requests to be concatenated and not sent as separate packets. + */ + WUSB_QUIRK_ALEREON_HWA_CONCAT_ISOC = 0x01, +}; + /** * Instance of a HWA Host Controller * @@ -218,10 +226,13 @@ struct wahc { struct work_struct xfer_enqueue_work; struct work_struct xfer_error_work; atomic_t xfer_id_count; + + kernel_ulong_t quirks; }; -extern int wa_create(struct wahc *wa, struct usb_interface *iface); +extern int wa_create(struct wahc *wa, struct usb_interface *iface, + kernel_ulong_t); extern void __wa_destroy(struct wahc *wa); void wa_reset_all(struct wahc *wa); |