From patchwork Wed Nov 3 20:46:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 12601573 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CD5F9C433F5 for ; Wed, 3 Nov 2021 20:46:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B00B46103B for ; Wed, 3 Nov 2021 20:46:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230210AbhKCUsu (ORCPT ); Wed, 3 Nov 2021 16:48:50 -0400 Received: from relay12.mail.gandi.net ([217.70.178.232]:49757 "EHLO relay12.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229893AbhKCUst (ORCPT ); Wed, 3 Nov 2021 16:48:49 -0400 Received: (Authenticated sender: jacopo@jmondi.org) by relay12.mail.gandi.net (Postfix) with ESMTPSA id 199B8200004; Wed, 3 Nov 2021 20:46:09 +0000 (UTC) From: Jacopo Mondi To: Kieran Bingham , Laurent Pinchart , =?utf-8?q?Nik?= =?utf-8?q?las_S=C3=B6derlund?= Cc: Jacopo Mondi , Mauro Carvalho Chehab , linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org Subject: [PATCH 0/2] media: max9271: Fix pclk_detect silent failure Date: Wed, 3 Nov 2021 21:46:52 +0100 Message-Id: <20211103204654.223699-1-jacopo+renesas@jmondi.org> X-Mailer: git-send-email 2.33.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Repeatedly reading register 0x15 to validate the incoming pixel clock causes sporadic read errors which went silently ignored, causing the camera module to fail to start streaming. However, with this, in the case of a non fatal read error the log will be a little polluted. Jacopo Mondi (2): media: max9271: Fail loudly on bus read errors media: max9271: Ignore busy loop read errors drivers/media/i2c/max9271.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) --- 2.33.1