Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1306025
| Path | csiph.com!news.mixmin.net!aioe.org!bofh.it!news.nic.it!robomod |
|---|---|
| From | Lee Jones <lee.jones@linaro.org> |
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2 6/9] mfd: add TI LMU hardware fault monitoring driver |
| Date | Mon, 11 Jan 2016 11:30:03 +0100 |
| Message-ID | <qPHTB-Yo-41@gated-at.bofh.it> (permalink) |
| References | <qyYH7-1f6-3@gated-at.bofh.it> <qyYH7-1f6-7@gated-at.bofh.it> |
| X-Original-To | Milo Kim <milo.kim@ti.com> |
| Dkim-Signature | v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:content-transfer-encoding :in-reply-to:user-agent; bh=/4GZ4L/joGsh1pHMkGTOy7nrNpe8dj5iWInSSqRJ3ME=; b=Mzss0HEaBXo9cgEfQ/3lg2TcZCETz6X0T8/2rvLBS/WK0Mp+GeeMNsz3twppdU9yrk zrBSvkW7vZtDqFYOO9UyspNnz2uZH75fnRk5d7TFgh2mgUvXfBGyFVSpT8Tv1lTDniA9 VNVrs3uJNczna4dQ0r3/00piFJ7zq2iZjLhtY= |
| X-Google-Dkim-Signature | v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-type:content-disposition :content-transfer-encoding:in-reply-to:user-agent; bh=/4GZ4L/joGsh1pHMkGTOy7nrNpe8dj5iWInSSqRJ3ME=; b=B8XxgMAa6En8DKjWC3Y2qwbabB63DYTtpRIeOrwn58deyrIml9lkXeXtPreRPz4Lih nVgDLYZMUMcPxJdpjZXnSZTkSDJVpJU8zAGFGayy3N9fFWQHoOPb5FvLEfwh7LxI5aIg ipKJEea5dPNdJPWE0H+UAdWWLZylNP7indMbSB/8YacSKPu6EdtMCCRXF6BHVviz1/n4 YY33sgJU+5EFFvJ48n/Wpvd/q5yA8NV34xZVh3lzRlqelrOKGosUTV6SIyb1d7221DGI Opyx1tG/IpiEJW8xrIYQOh2DZaGZVmGFUnY6JdzD7wHlOX8M/wu6t0aP6IvSPMW3CCsr Nrzw== |
| X-Gm-Message-State | ALoCoQllqOclr9hP6Eq3DvdY5zngJE48XnxNw4ztZtHCU85Yvhx4IH4t1ZJSCYIdPKDwiG7xPWBm8mrIl3op8EwTFhex7HrFjA== |
| X-Received | by 10.28.182.135 with SMTP id g129mr13727994wmf.55.1452507680816; Mon, 11 Jan 2016 02:21:20 -0800 (PST) |
| MIME-Version | 1.0 |
| Content-Type | text/plain; charset=utf-8 |
| Content-Disposition | inline |
| Content-Transfer-Encoding | 8bit |
| User-Agent | Mutt/1.5.21 (2010-09-15) |
| Sender | robomod@news.nic.it |
| List-ID | <linux-kernel.vger.kernel.org> |
| X-Mailing-List | linux-kernel@vger.kernel.org |
| Approved | robomod@news.nic.it |
| Lines | 57 |
| Organization | linux.* mail to news gateway |
| X-Original-Cc | robh+dt@kernel.org, j.anaszewski@samsung.com, broonie@kernel.org, devicetree@vger.kernel.org, linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org |
| X-Original-Date | Mon, 11 Jan 2016 10:21:17 +0000 |
| X-Original-Message-ID | <20160111102117.GU14104@x1> |
| X-Original-References | <1448521025-2796-1-git-send-email-milo.kim@ti.com> <1448521025-2796-7-git-send-email-milo.kim@ti.com> |
| X-Original-Sender | linux-kernel-owner@vger.kernel.org |
| Xref | csiph.com linux.kernel:1306025 |
Show key headers only | View raw
On Thu, 26 Nov 2015, Milo Kim wrote: > LM3633 and LM3697 are TI LMU MFD device. > Those devices have hardware monitoring feature which detects open or > short circuit case. > > Debugfs > ------- > Two files are created. > open_fault: check light output channel is open or not. > short_fault: check light output channel is shorted or not. > > The driver checks the status of backlight output channels. > LM3633 and LM3697 have same sequence to check channels, so common > functions are used. > ABI/testing document is also included. > > Operations > ---------- > Two devices have common control flow but register addresses are different. > The structure, 'ti_lmu_reg' is used for register configuration. > > Event notifier > -------------- > After fault monitoring is done, LMU device is reset. So backlight and > LED device should be reinitialized. It notifies an event as soon as > the monitoring is done. Then, LM3633 and LM3697 backlight and LED drivers > handle this event. > > Cc: Lee Jones <lee.jones@linaro.org> > Cc: Jacek Anaszewski <j.anaszewski@samsung.com> > Cc: Mark Brown <broonie@kernel.org> > Cc: Rob Herring <robh+dt@kernel.org> > Cc: devicetree@vger.kernel.org > Cc: linux-leds@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Milo Kim <milo.kim@ti.com> > --- > .../ABI/testing/debugfs-ti-lmu-fault-monitor | 32 ++ > drivers/mfd/Kconfig | 10 + > drivers/mfd/Makefile | 1 + > drivers/mfd/ti-lmu-fault-monitor.c | 405 +++++++++++++++++++++ I think this device is part of the MFD, rather than an MFD itself. Please relocate it to somewhere more appropriate. > 4 files changed, 448 insertions(+) > create mode 100644 Documentation/ABI/testing/debugfs-ti-lmu-fault-monitor > create mode 100644 drivers/mfd/ti-lmu-fault-monitor.c [...] -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog
Back to linux.kernel | Previous | Next — Next in thread | Find similar | Unroll thread
Re: [PATCH v2 6/9] mfd: add TI LMU hardware fault monitoring driver Lee Jones <lee.jones@linaro.org> - 2016-01-11 11:30 +0100
Re: [PATCH v2 6/9] mfd: add TI LMU hardware fault monitoring driver Milo Kim <milo.kim@ti.com> - 2016-01-12 04:40 +0100
Re: [PATCH v2 6/9] mfd: add TI LMU hardware fault monitoring driver Lee Jones <lee.jones@linaro.org> - 2016-01-12 08:40 +0100
csiph-web