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authorLi Jun <jun.li@nxp.com>2016-02-19 05:04:46 +0300
committerFelipe Balbi <balbi@kernel.org>2016-03-04 16:14:37 +0300
commit75d2f754e2d8937890336803ae27e3503f192705 (patch)
tree7e973eef9c96f904128e77f5ca7fb1efdb471ffd /drivers/usb/chipidea
parent2dfb46be1a231888e8d51b97573f592e408d5199 (diff)
downloadlinux-75d2f754e2d8937890336803ae27e3503f192705.tar.xz
usb: chipidea: otg: enable HNP polling support for gadget and host
Enable HNP polling support for chipidea gadget and allocate memory for host request flag when otg fsm init. Acked-by: Peter Chen <peter.chen@nxp.com> Signed-off-by: Li Jun <jun.li@nxp.com> Signed-off-by: Felipe Balbi <balbi@kernel.org>
Diffstat (limited to 'drivers/usb/chipidea')
-rw-r--r--drivers/usb/chipidea/otg_fsm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/otg_fsm.c b/drivers/usb/chipidea/otg_fsm.c
index cb28e763f0b8..9a963a749467 100644
--- a/drivers/usb/chipidea/otg_fsm.c
+++ b/drivers/usb/chipidea/otg_fsm.c
@@ -797,6 +797,10 @@ int ci_hdrc_otg_fsm_init(struct ci_hdrc *ci)
ci->fsm.id = hw_read_otgsc(ci, OTGSC_ID) ? 1 : 0;
ci->fsm.otg->state = OTG_STATE_UNDEFINED;
ci->fsm.ops = &ci_otg_ops;
+ ci->gadget.hnp_polling_support = 1;
+ ci->fsm.host_req_flag = devm_kzalloc(ci->dev, 1, GFP_KERNEL);
+ if (!ci->fsm.host_req_flag)
+ return -ENOMEM;
mutex_init(&ci->fsm.lock);