From mboxrd@z Thu Jan 1 00:00:00 1970 From: Viresh Kumar Subject: [PATCH V3 0/2] I2C: Add bus recovery infrastructure Date: Fri, 2 Mar 2012 11:53:41 +0530 Message-ID: Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: khali-PUYAD+kWke1g9hUCZPvPmw@public.gmane.org, ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org, w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org Cc: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, baruch-NswTu9S1W3P6gbPvEgmw2w@public.gmane.org, spear-devel-nkJGhpqTU55BDgjK7y7TUQ@public.gmane.org, viresh.linux-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, omaplinuxkernel-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, ml.lawnick-Mmb7MZpHnFY@public.gmane.org, Viresh Kumar List-Id: linux-i2c@vger.kernel.org Hello, This patchset adds i2c bus recovery infrastructure to i2c adapters as specified in the i2c protocol Rev. 03 section 3.16 titled "Bus clear". http://www.nxp.com/documents/user_manual/UM10204.pdf This patch was earlier part of a separate thread: http://www.spinics.net/lists/linux-i2c/msg07267.html Changes since V2: - gpio flags are now passed from controller drivers - added support for sda line polling - Aligned i2c-designware driver with generic recovery support Viresh Kumar (2): i2c/adapter: Add bus recovery infrastructure i2c/designware: Provide optional i2c bus recovery function drivers/i2c/busses/i2c-designware-core.c | 7 ++- drivers/i2c/busses/i2c-designware-platdrv.c | 24 +++++ drivers/i2c/i2c-core.c | 125 +++++++++++++++++++++++++++ include/linux/i2c.h | 52 +++++++++++ include/linux/i2c/i2c-designware.h | 49 +++++++++++ 5 files changed, 256 insertions(+), 1 deletions(-) create mode 100644 include/linux/i2c/i2c-designware.h -- 1.7.8.110.g4cb5d