From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757232AbcLPGOP (ORCPT ); Fri, 16 Dec 2016 01:14:15 -0500 Received: from mailout2.samsung.com ([203.254.224.25]:53758 "EHLO mailout2.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758987AbcLPGMr (ORCPT ); Fri, 16 Dec 2016 01:12:47 -0500 X-AuditID: cbfee61b-f796f6d000004092-67-585385d19812 From: Andi Shyti To: Mauro Carvalho Chehab , Sean Young , Rob Herring , Mark Rutland , Richard Purdie , Jacek Anaszewski , Heiner Kallweit Cc: linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org, Andi Shyti , Andi Shyti Subject: [PATCH v5 4/6] [media] rc-ir-raw: do not generate any receiving thread for raw transmitters Date: Fri, 16 Dec 2016 15:12:16 +0900 Message-id: <20161216061218.5906-5-andi.shyti@samsung.com> X-Mailer: git-send-email 2.10.2 In-reply-to: <20161216061218.5906-1-andi.shyti@samsung.com> References: <20161216061218.5906-1-andi.shyti@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprHIsWRmVeSWpSXmKPExsVy+t9jAd2LrcERBn/nSlpsP/KM1WLxj+dM FvOPnGO1WPR+BqtF79XnjBaXd81hs9j6Zh2jRc+GrawWS69fZLJY/azConXvEXaL3bueslos fPqdxYHXY828NYwe15d8YvbYOesuu8emVZ1sHkveWHts6Qfy9sz/werRt2UVo8fnTXIBnFFu NhmpiSmpRQqpecn5KZl56bZKoSFuuhZKCnmJuam2ShG6viFBSgpliTmlQJ6RARpwcA5wD1bS t0twy2h6toy94BNnxe6Ji1gaGHs4uhg5OSQETCTaW2exQthiEhfurWfrYuTiEBJYyiix6vh3 RgjnI6PEzKWNzCBVbAKaEk23f4BViQhMZ5L4+uUAC0iCWWAvo8Tejz4gtrBAmsTP42vZQGwW AVWJV6ungdXwClhJ3Di6DWqdvMTC80eYQGxOAWuJfxcXg8WFgGomTprNOIGRdwEjwypGidSC 5ILipPRco7zUcr3ixNzi0rx0veT83E2M4Lh5Jr2D8fAu90OMAhyMSjy8P7YFRQixJpYVV+Ye YpTgYFYS4V3fFBwhxJuSWFmVWpQfX1Sak1p8iNEU6LCJzFKiyfnAmM4riTc0MTcxNzawMLe0 NDFSEudtnP0sXEggPbEkNTs1tSC1CKaPiYNTqoGR+QLTkmn/tsxgsU8sv/L45bH1ggr/Mycd aPi/fR4Hz5a9Nr7rN0VqcEb9VJ8luntrx8o12vN3fND+H+qdOeflCb1nMuEndc7xvQxke3Xi l1m2WePN4/vZHWdcXOWsJJ5pUWWRbLTZ0UNNNUQifGn+Nm5Vpupm98lc/bpW0a03HgieDtr4 J2uWEktxRqKhFnNRcSIAQ7SMs7ECAAA= X-MTR: 20000000000000000@CPGS Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Raw IR transmitters do not need any thread listening for occurring events. Check the driver type before running the thread. Signed-off-by: Andi Shyti Reviewed-by: Sean Young --- drivers/media/rc/rc-ir-raw.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) diff --git a/drivers/media/rc/rc-ir-raw.c b/drivers/media/rc/rc-ir-raw.c index 1c42a9f..9938e42 100644 --- a/drivers/media/rc/rc-ir-raw.c +++ b/drivers/media/rc/rc-ir-raw.c @@ -270,12 +270,19 @@ int ir_raw_event_register(struct rc_dev *dev) INIT_KFIFO(dev->raw->kfifo); spin_lock_init(&dev->raw->lock); - dev->raw->thread = kthread_run(ir_raw_event_thread, dev->raw, - "rc%u", dev->minor); - if (IS_ERR(dev->raw->thread)) { - rc = PTR_ERR(dev->raw->thread); - goto out; + /* + * raw transmitters do not need any event registration + * because the event is coming from userspace + */ + if (dev->driver_type != RC_DRIVER_IR_RAW_TX) { + dev->raw->thread = kthread_run(ir_raw_event_thread, dev->raw, + "rc%u", dev->minor); + + if (IS_ERR(dev->raw->thread)) { + rc = PTR_ERR(dev->raw->thread); + goto out; + } } mutex_lock(&ir_raw_handler_lock); -- 2.10.2