From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Wahren Subject: [PATCH RFC 0/3] ARM64: bcm2837-rpi: Fix random crashes caused by i2c Date: Thu, 16 Feb 2017 21:20:44 +0000 Message-ID: <1487280047-29608-1-git-send-email-stefan.wahren@i2se.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Return-path: Received: from mout.kundenserver.de ([217.72.192.75]:50280 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932975AbdBPVVs (ORCPT ); Thu, 16 Feb 2017 16:21:48 -0500 Sender: linux-i2c-owner@vger.kernel.org List-Id: linux-i2c@vger.kernel.org To: Eric Anholt , Wolfram Sang , Peter Robinson Cc: Martin Sperl , =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= , Catalin Marinas , Will Deacon , Rob Herring , Frank Rowand , Florian Fainelli , linux-rpi-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-i2c@vger.kernel.org, Stefan Wahren This patch series tries to fix the random crashes [1] which occur on the RPi 3. The first patch fix the possible NULL pointer dereference and the rest tries to fix the root cause of the unexpected interrupts. Btw this should also fix the random i2c timeouts: i2c-bcm2835 3f805000.i2c: i2c transfer timed out In absence of a RPi 3 this is only compile tested. [1] - https://github.com/anholt/linux/issues/89 Stefan Wahren (3): i2c: bcm2835: Avoid possible NULL ptr dereference ARM64: bcm2837: remove link to bcm2835 ARM64: bcm2837-rpi: Fix pwm and i2c pin control arch/arm64/boot/dts/broadcom/bcm2835-rpi.dtsi | 1 - arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts | 2 +- arch/arm64/boot/dts/broadcom/bcm2837-rpi.dtsi | 89 ++++++++++++++++++++++ drivers/i2c/busses/i2c-bcm2835.c | 4 +- 4 files changed, 93 insertions(+), 3 deletions(-) delete mode 120000 arch/arm64/boot/dts/broadcom/bcm2835-rpi.dtsi create mode 100644 arch/arm64/boot/dts/broadcom/bcm2837-rpi.dtsi -- 1.7.9.5