From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932412AbcCXLYd (ORCPT ); Thu, 24 Mar 2016 07:24:33 -0400 Received: from mail-wm0-f50.google.com ([74.125.82.50]:33386 "EHLO mail-wm0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755914AbcCXLX6 (ORCPT ); Thu, 24 Mar 2016 07:23:58 -0400 From: Peter Griffin To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, srinivas.kandagatla@gmail.com, maxime.coquelin@st.com, patrice.chotard@st.com, mchehab@osg.samsung.com Cc: peter.griffin@linaro.org, lee.jones@linaro.org, hugues.fruchet@st.com, linux-media@vger.kernel.org Subject: [PATCH 1/3] [media] c8sectpfe: Fix broken circular buffer wp management Date: Thu, 24 Mar 2016 11:23:50 +0000 Message-Id: <1458818632-25552-2-git-send-email-peter.griffin@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1458818632-25552-1-git-send-email-peter.griffin@linaro.org> References: <1458818632-25552-1-git-send-email-peter.griffin@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org During the review process, a regression was intoduced in the circular buffer write pointer management. This means that wp doesn't get managed properly once the buffer becomes full. Signed-off-by: Peter Griffin --- drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c b/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c index 78e3cb9..875d384 100644 --- a/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c +++ b/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c @@ -130,7 +130,7 @@ static void channel_swdemux_tsklet(unsigned long data) writel(channel->back_buffer_busaddr, channel->irec + DMA_PRDS_BUSRP_TP(0)); else - writel(wp, channel->irec + DMA_PRDS_BUSWP_TP(0)); + writel(wp, channel->irec + DMA_PRDS_BUSRP_TP(0)); } static int c8sectpfe_start_feed(struct dvb_demux_feed *dvbdmxfeed) -- 1.9.1