Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753052AbaBCP30 (ORCPT ); Mon, 3 Feb 2014 10:29:26 -0500 Received: from mail-ie0-f178.google.com ([209.85.223.178]:59502 "EHLO mail-ie0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753013AbaBCP3Y (ORCPT ); Mon, 3 Feb 2014 10:29:24 -0500 MIME-Version: 1.0 In-Reply-To: <1391316630-29541-4-git-send-email-benjamin.tissoires@redhat.com> References: <1391316630-29541-1-git-send-email-benjamin.tissoires@redhat.com> <1391316630-29541-4-git-send-email-benjamin.tissoires@redhat.com> Date: Mon, 3 Feb 2014 16:29:23 +0100 Message-ID: Subject: Re: [PATCH 03/11] HID: add inliners for ll_driver transport-layer callbacks From: David Herrmann To: Benjamin Tissoires Cc: Benjamin Tissoires , Jiri Kosina , Frank Praznik , "open list:HID CORE LAYER" , linux-kernel Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi On Sun, Feb 2, 2014 at 5:50 AM, Benjamin Tissoires wrote: > Those callbacks are not mandatory, so it's better to add inliners > to use them safely. Reviewed-by: David Herrmann Thanks David > Signed-off-by: Benjamin Tissoires > --- > include/linux/hid.h | 45 +++++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 45 insertions(+) > > diff --git a/include/linux/hid.h b/include/linux/hid.h > index 003cc8e..dddcad0 100644 > --- a/include/linux/hid.h > +++ b/include/linux/hid.h > @@ -680,6 +680,8 @@ struct hid_driver { > * shouldn't allocate anything to not leak memory > * @request: send report request to device (e.g. feature report) > * @wait: wait for buffered io to complete (send/recv reports) > + * @raw_request: send raw report request to device (e.g. feature report) > + * @output_report: send output report to device > * @idle: send idle request to device > */ > struct hid_ll_driver { > @@ -974,6 +976,49 @@ static inline void hid_hw_request(struct hid_device *hdev, > } > > /** > + * hid_hw_raw_request - send report request to device > + * > + * @hdev: hid device > + * @reportnum: report ID > + * @buf: in/out data to transfer > + * @len: length of buf > + * @rtype: HID report type > + * @reqtype: HID_REQ_GET_REPORT or HID_REQ_SET_REPORT > + * > + * @return: count of data transfered, negative if error > + * > + * Same behavior as hid_hw_request, but with raw buffers instead. > + */ > +static inline int hid_hw_raw_request(struct hid_device *hdev, > + unsigned char reportnum, __u8 *buf, > + size_t len, unsigned char rtype, int reqtype) > +{ > + if (hdev->ll_driver->raw_request) > + return hdev->ll_driver->raw_request(hdev, reportnum, buf, len, > + rtype, reqtype); > + > + return -ENOSYS; > +} > + > +/** > + * hid_hw_output_report - send output report to device > + * > + * @hdev: hid device > + * @buf: raw data to transfer > + * @len: length of buf > + * > + * @return: count of data transfered, negative if error > + */ > +static inline int hid_hw_output_report(struct hid_device *hdev, __u8 *buf, > + size_t len) > +{ > + if (hdev->ll_driver->output_report) > + return hdev->ll_driver->output_report(hdev, buf, len); > + > + return -ENOSYS; > +} > + > +/** > * hid_hw_idle - send idle request to device > * > * @hdev: hid device > -- > 1.8.3.1 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/