Messages in this thread Patch in this message | | | From | Neal Liu <> | Subject | [PATCH v2 2/4] usb: aspeed-vhub: support auto remote wakeup feature | Date | Tue, 30 Nov 2021 19:38:45 +0800 |
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+Ben. ---
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
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