From mboxrd@z Thu Jan 1 00:00:00 1970 From: stigge@antcom.de (Roland Stigge) Date: Fri, 18 May 2012 10:03:22 +0200 Subject: [PATCH RESEND v9 1/2] gpio: Adjust of_xlate API to support multiple GPIO chips In-Reply-To: <20120517203706.6B8223E0621@localhost> References: <1337200832-26630-1-git-send-email-stigge@antcom.de> <20120517203706.6B8223E0621@localhost> Message-ID: <4FB6024A.5010002@antcom.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Grant, On 05/17/2012 10:37 PM, Grant Likely wrote: > On Wed, 16 May 2012 22:40:31 +0200, Roland Stigge wrote: >> This patch changes the of_xlate API to make it possible to manipulate the >> actual used gc. This way, multiple GPIO banks can be supported with the same DT >> registered GPIO controller. >> >> The issue was discussed upon the integration of LPC32xx's DT support for its >> GPIO (see separate patch). >> >> Signed-off-by: Roland Stigge > > I still wasn't happy with this approach, so I bugged Arnd and we > discussed some options. So, I think I've got a better solution that > doesn't change the signature of of_xlate. Instead it allows of_xlate > to return an error code and still have multiple banks referring to the > same gpio_chip. > > I've just posted the series. Can you try it out and make sure it > works for you? Works fine, just consider the little compile error bugfix, see next mail. Thanks, Roland From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roland Stigge Subject: Re: [PATCH RESEND v9 1/2] gpio: Adjust of_xlate API to support multiple GPIO chips Date: Fri, 18 May 2012 10:03:22 +0200 Message-ID: <4FB6024A.5010002@antcom.de> References: <1337200832-26630-1-git-send-email-stigge@antcom.de> <20120517203706.6B8223E0621@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20120517203706.6B8223E0621@localhost> Sender: linux-kernel-owner@vger.kernel.org To: Grant Likely Cc: glikely@secretlab.ca, arm@kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linus.walleij@stericsson.com, kevin.wells@nxp.com, srinivas.bakki@nxp.com, devicetree-discuss@lists.ozlabs.org, rob.herring@calxeda.com List-Id: devicetree@vger.kernel.org Hi Grant, On 05/17/2012 10:37 PM, Grant Likely wrote: > On Wed, 16 May 2012 22:40:31 +0200, Roland Stigge wrote: >> This patch changes the of_xlate API to make it possible to manipulate the >> actual used gc. This way, multiple GPIO banks can be supported with the same DT >> registered GPIO controller. >> >> The issue was discussed upon the integration of LPC32xx's DT support for its >> GPIO (see separate patch). >> >> Signed-off-by: Roland Stigge > > I still wasn't happy with this approach, so I bugged Arnd and we > discussed some options. So, I think I've got a better solution that > doesn't change the signature of of_xlate. Instead it allows of_xlate > to return an error code and still have multiple banks referring to the > same gpio_chip. > > I've just posted the series. Can you try it out and make sure it > works for you? Works fine, just consider the little compile error bugfix, see next mail. Thanks, Roland