From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-wm0-f46.google.com ([74.125.82.46]:33830 "EHLO mail-wm0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753455AbbKXRWU (ORCPT ); Tue, 24 Nov 2015 12:22:20 -0500 Received: by wmvv187 with SMTP id v187so220393437wmv.1 for ; Tue, 24 Nov 2015 09:22:18 -0800 (PST) Date: Tue, 24 Nov 2015 17:22:14 +0000 From: Lee Jones To: Damien Riegel , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-watchdog@vger.kernel.org, robh+dt@kernel.org, shawnguo@kernel.org, kernel@pengutronix.de, wim@iguana.be, sameo@linux.intel.com, dinh.linux@gmail.com, linux@roeck-us.net, Arnd Bergmann , kernel@savoirfairelinux.com Subject: Re: [PATCH v4 2/5] mfd: syscon: add a DT property to set value width Message-ID: <20151124172214.GJ12874@x1> References: <1448291861-28543-1-git-send-email-damien.riegel@savoirfairelinux.com> <1448291861-28543-3-git-send-email-damien.riegel@savoirfairelinux.com> <20151124082036.GE807@x1> <20151124162439.GC4616@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: QUOTED-PRINTABLE In-Reply-To: <20151124162439.GC4616@localhost> Sender: linux-watchdog-owner@vger.kernel.org List-Id: linux-watchdog@vger.kernel.org On Tue, 24 Nov 2015, Damien Riegel wrote: > On Tue, Nov 24, 2015 at 08:20:36AM +0000, Lee Jones wrote: > > On Mon, 23 Nov 2015, Damien Riegel wrote: > >=20 > > > Currently syscon has a fixed configuration of 32 bits for registe= r and > > > values widths. In some cases, it would be desirable to be able to > > > customize the value width. > > >=20 > > > For example, certain boards (like the ones manufactured by Techno= logic > > > Systems) have a FPGA that is memory-mapped, but its registers are= only > > > 16-bit wide. > > >=20 > > > This patch adds an optional "bus-width" DT binding for syscon tha= t > > > allows to change the width for the data bus (i.e. val_bits). If t= his > > > property is provided, it will also adjust the register stride to > > > bus-width / 8. If not provided, the default configuration is used= =2E > > >=20 > > > Signed-off-by: Damien Riegel > > > --- > > > Documentation/devicetree/bindings/mfd/syscon.txt | 3 +++ > > > drivers/mfd/syscon.c | 13 ++++++++++= +++ > > > 2 files changed, 16 insertions(+) > >=20 > > Works for me. > >=20 > > For my own reference: > > Acked-by: Lee Jones >=20 > This pachset requires a new version to fix something in the watchdog, > I will add your Ack in the v5. >=20 > >=20 > > How would you like this set to be handled? > >=20 >=20 > Not sure what you mean. Actually, I don't know how it works for such > patchset with changes across multiple subsystems. What are the option= s? I'm happy to handle it, I just need Acks from the other Maintainers. --=20 Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org =E2=94=82 Open source software for ARM SoCs =46ollow Linaro: Facebook | Twitter | Blog -- To unsubscribe from this list: send the line "unsubscribe linux-watchdo= g" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html