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authorRobert Baldyga <r.baldyga@samsung.com>2015-07-28 07:20:00 +0200
committerFelipe Balbi <balbi@ti.com>2015-07-30 11:43:35 -0500
commitca1023c81dd10f76a5d0a8be2fdbe724fe7a126a (patch)
tree8fe9edd162240bf8d449b8b313c55239f60dadfc /drivers/usb/musb
parent02ded1b0d8e73dad7d2626c960ef20fb7dc30753 (diff)
usb: gadget: add 'quirk_zlp_not_supp' to usb_gadget
Due to some UDC controllers may not support zlp, usb gadget layer needs to provide a generic way to inform gadget functions about non-standard hardware limitations. This patch adds 'quirk_zlp_not_supp' field to struct usb_gadget and helper function gadget_is_zlp_supported(). It also sets 'quirk_zlp_not_supp' to 1 in musb UDC driver, which has such limitation. [ balbi@ti.com : make it build ] Signed-off-by: Robert Baldyga <r.baldyga@samsung.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/musb')
-rw-r--r--drivers/usb/musb/musb_gadget.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index 625d482f1a97..9e18178f1d45 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -2075,6 +2075,7 @@ __acquires(musb->lock)
musb->g.b_hnp_enable = 0;
musb->g.a_alt_hnp_support = 0;
musb->g.a_hnp_support = 0;
+ musb->g.quirk_zlp_not_supp = 1;
/* Normal reset, as B-Device;
* or else after HNP, as A-Device