From: Neal Liu <neal_liu@aspeedtech.com>
To: Felipe Balbi <balbi@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Joel Stanley <joel@jms.id.au>, Andrew Jeffery <andrew@aj.id.au>,
Cai Huoqing <caihuoqing@baidu.com>,
Tao Ren <rentao.bupt@gmail.com>,
Julia Lawall <julia.lawall@inria.fr>,
"kernel test robot" <lkp@intel.com>,
Sasha Levin <sashal@kernel.org>, <linux-usb@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-aspeed@lists.ozlabs.org>
Cc: Neal Liu <neal_liu@aspeedtech.com>, <BMC-SW@aspeedtech.com>
Subject: [PATCH v2 2/4] usb: aspeed-vhub: support auto remote wakeup feature
Date: Tue, 30 Nov 2021 18:42:54 +0800 [thread overview]
Message-ID: <20211130104256.3106797-3-neal_liu@aspeedtech.com> (raw)
In-Reply-To: <20211130104256.3106797-1-neal_liu@aspeedtech.com>
Remote wakeup signaling will be automatically issued
whenever any write commands has been received in suspend
state.
Signed-off-by: Neal Liu <neal_liu@aspeedtech.com>
---
drivers/usb/gadget/udc/aspeed-vhub/core.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/usb/gadget/udc/aspeed-vhub/core.c b/drivers/usb/gadget/udc/aspeed-vhub/core.c
index 7a635c499777..122ee7ef0b03 100644
--- a/drivers/usb/gadget/udc/aspeed-vhub/core.c
+++ b/drivers/usb/gadget/udc/aspeed-vhub/core.c
@@ -240,6 +240,9 @@ void ast_vhub_init_hw(struct ast_vhub *vhub)
if (vhub->force_usb1)
ctrl |= VHUB_CTRL_FULL_SPEED_ONLY;
+ /* Enable auto remote wakeup */
+ ctrl |= VHUB_CTRL_AUTO_REMOTE_WAKEUP;
+
ctrl |= VHUB_CTRL_UPSTREAM_CONNECT;
writel(ctrl, vhub->regs + AST_VHUB_CTRL);
--
2.25.1
next prev parent reply other threads:[~2021-11-30 10:44 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-30 10:42 [PATCH v2 0/4] Refactor Aspeed USB vhub driver Neal Liu
2021-11-30 10:42 ` [PATCH v2 1/4] usb: aspeed-vhub: add qualifier descriptor Neal Liu
2021-11-30 11:45 ` Greg Kroah-Hartman
2021-12-01 5:43 ` Neal Liu
2021-12-01 6:18 ` Greg Kroah-Hartman
2021-12-01 6:31 ` Neal Liu
2021-11-30 10:42 ` Neal Liu [this message]
2021-11-30 10:42 ` [PATCH v2 3/4] usb: aspeed-vhub: fix ep0 OUT ack received wrong length issue Neal Liu
2021-11-30 11:47 ` Greg Kroah-Hartman
2021-12-01 2:17 ` Neal Liu
2021-11-30 10:42 ` [PATCH v2 4/4] usb: aspeed-vhub: support test mode feature Neal Liu
2021-11-30 11:47 ` Greg Kroah-Hartman
2021-12-01 3:36 ` Neal Liu
2021-11-30 11:38 [PATCH v2 0/4] Refactor Aspeed USB vhub driver Neal Liu
2021-11-30 11:38 ` [PATCH v2 2/4] usb: aspeed-vhub: support auto remote wakeup feature Neal Liu
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