From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 093E9C43461 for ; Mon, 10 May 2021 10:29:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CA6756194C for ; Mon, 10 May 2021 10:29:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231782AbhEJKbB (ORCPT ); Mon, 10 May 2021 06:31:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:33954 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231539AbhEJK1w (ORCPT ); Mon, 10 May 2021 06:27:52 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 8608C610A7; Mon, 10 May 2021 10:26:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1620642401; bh=EwRdCm8Hl3BFXJn9n8iyfgOP7JAJSRXxpKGlNTCg6eA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TAXm3l1nBfOGYoOAB8gi7f94GaE4zXUH6Ypbj6KA6b97P67uSIjwMujL6z+Jl4i/W 0aUWRshQqOYiRojhzrSpGBjFbOGuyTxu9mRKhN9gYH8TV1VzIKczGoTUsdwddfLAJJ dhMrKLgHVyaDFywsJpATPZ89gy0HUTbc6i1iDmyY= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Sean Young , Mauro Carvalho Chehab , Sasha Levin Subject: [PATCH 5.4 078/184] media: ite-cir: check for receive overflow Date: Mon, 10 May 2021 12:19:32 +0200 Message-Id: <20210510101952.740269044@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210510101950.200777181@linuxfoundation.org> References: <20210510101950.200777181@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Sean Young [ Upstream commit 28c7afb07ccfc0a939bb06ac1e7afe669901c65a ] It's best if this condition is reported. Signed-off-by: Sean Young Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin --- drivers/media/rc/ite-cir.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/media/rc/ite-cir.c b/drivers/media/rc/ite-cir.c index 3ab6cec0dc3b..4b8aee390518 100644 --- a/drivers/media/rc/ite-cir.c +++ b/drivers/media/rc/ite-cir.c @@ -276,8 +276,14 @@ static irqreturn_t ite_cir_isr(int irq, void *data) /* read the interrupt flags */ iflags = dev->params.get_irq_causes(dev); + /* Check for RX overflow */ + if (iflags & ITE_IRQ_RX_FIFO_OVERRUN) { + dev_warn(&dev->rdev->dev, "receive overflow\n"); + ir_raw_event_reset(dev->rdev); + } + /* check for the receive interrupt */ - if (iflags & (ITE_IRQ_RX_FIFO | ITE_IRQ_RX_FIFO_OVERRUN)) { + if (iflags & ITE_IRQ_RX_FIFO) { /* read the FIFO bytes */ rx_bytes = dev->params.get_rx_bytes(dev, rx_buf, -- 2.30.2