On 7/1/19 5:56 PM, Michal Suchanek wrote:
> Signed-off-by: Michal Suchanek <msucha...@suse.de>
> ---
> common/usb.c | 9 +++++++++
> include/usb.h | 2 ++
> 2 files changed, 11 insertions(+)
>
> diff --git a/common/usb.c b/common/usb.c
> index 3ae71c98aaf4..d8302d39a91a 100644
> --- a/common/usb.c
> +++ b/common/usb.c
> @@ -200,6 +200,15 @@ int usb_submit_int_msg(struct usb_device *dev, unsigned
> long pipe,
> return submit_int_msg(dev, pipe, buffer, transfer_len, interval, false);
> }
>
> +/*
> + * submits an Interrupt Message without retry
> + */
> +int usb_submit_int_msg_nonblock(struct usb_device *dev, unsigned long pipe,
> + void *buffer, int transfer_len, int interval)
> +{
> + return submit_int_msg(dev, pipe, buffer, transfer_len, interval, true);
> +}
Is this wrapper really necessary ?
> /*
> * submits a control message and waits for comletion (at least timeout * 1ms)
> * If timeout is 0, we don't wait for completion (used as example to set and
> diff --git a/include/usb.h b/include/usb.h
> index dde3e601da45..d1e7112f4c4e 100644
> --- a/include/usb.h
> +++ b/include/usb.h
> @@ -263,6 +263,8 @@ int usb_bulk_msg(struct usb_device *dev, unsigned int
> pipe,
> void *data, int len, int *actual_length, int timeout);
> int usb_submit_int_msg(struct usb_device *dev, unsigned long pipe,
> void *buffer, int transfer_len, int interval);
> +int usb_submit_int_msg_nonblock(struct usb_device *dev, unsigned long pipe,
> + void *buffer, int transfer_len, int interval);
> int usb_disable_asynch(int disable);
> int usb_maxpacket(struct usb_device *dev, unsigned long pipe);
> int usb_get_configuration_no(struct usb_device *dev, int cfgno,
>
--
Best regards,
Marek Vasut
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