From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Wed, 28 Oct 2015 10:48:53 +0100 From: Alexandre Belloni To: Krzysztof Kozlowski Cc: Alim Akhtar , Mark Brown , lee.jones@linaro.org, mturquette@baylibre.com, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, rtc-linux@googlegroups.com, linux-kernel@vger.kernel.org Subject: Re: [rtc-linux] Re: [PATCH v3 5/5] drivers/rtc/rtc-s5m.c: add support for S2MPS15 RTC Message-ID: <20151028094853.GM22331@piout.net> References: <1445863883-5187-1-git-send-email-alim.akhtar@samsung.com> <1445863883-5187-6-git-send-email-alim.akhtar@samsung.com> <56302514.4090407@samsung.com> <20151028015323.GZ28319@sirena.org.uk> <56303054.8060804@samsung.com> <56303DA3.5020306@samsung.com> <5630419F.1000300@samsung.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <5630419F.1000300@samsung.com> List-ID: On 28/10/2015 at 12:31:43 +0900, Krzysztof Kozlowski wrote : > The s2mps13 clock driver added new name and compatible... which was > probably totally unneeded (I missed that during review). We don't have > to make this as a rule... > > Since we do not have any data about future workarounds and the > differences then just follow Ockham's razor - use the same name and > compatible. > So you don't care about DT backward compatibility because when a workaround will be needed for one of the IPs, then you will have to update the old dtb to use it. Unless you are sure that the IP is the same, doing { "s2mps15-rtc", S2MPS14X }, is probably the best way to handle that. Note that I personally don't care about the DT ABI, I'm just pointing out what may happen ;) -- Alexandre Belloni, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.free-electrons.com (down.free-electrons.com. [37.187.137.238]) by gmr-mx.google.com with ESMTP id cm6si1005618wib.1.2015.10.28.02.48.54 for ; Wed, 28 Oct 2015 02:48:54 -0700 (PDT) Date: Wed, 28 Oct 2015 10:48:53 +0100 From: Alexandre Belloni To: Krzysztof Kozlowski Cc: Alim Akhtar , Mark Brown , lee.jones@linaro.org, mturquette@baylibre.com, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, rtc-linux@googlegroups.com, linux-kernel@vger.kernel.org Subject: Re: [rtc-linux] Re: [PATCH v3 5/5] drivers/rtc/rtc-s5m.c: add support for S2MPS15 RTC Message-ID: <20151028094853.GM22331@piout.net> References: <1445863883-5187-1-git-send-email-alim.akhtar@samsung.com> <1445863883-5187-6-git-send-email-alim.akhtar@samsung.com> <56302514.4090407@samsung.com> <20151028015323.GZ28319@sirena.org.uk> <56303054.8060804@samsung.com> <56303DA3.5020306@samsung.com> <5630419F.1000300@samsung.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 In-Reply-To: <5630419F.1000300@samsung.com> Reply-To: rtc-linux@googlegroups.com List-ID: List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , On 28/10/2015 at 12:31:43 +0900, Krzysztof Kozlowski wrote : > The s2mps13 clock driver added new name and compatible... which was > probably totally unneeded (I missed that during review). We don't have > to make this as a rule... > > Since we do not have any data about future workarounds and the > differences then just follow Ockham's razor - use the same name and > compatible. > So you don't care about DT backward compatibility because when a workaround will be needed for one of the IPs, then you will have to update the old dtb to use it. Unless you are sure that the IP is the same, doing { "s2mps15-rtc", S2MPS14X }, is probably the best way to handle that. Note that I personally don't care about the DT ABI, I'm just pointing out what may happen ;) -- Alexandre Belloni, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com -- -- You received this message because you are subscribed to "rtc-linux". Membership options at http://groups.google.com/group/rtc-linux . Please read http://groups.google.com/group/rtc-linux/web/checklist before submitting a driver. --- You received this message because you are subscribed to the Google Groups "rtc-linux" group. To unsubscribe from this group and stop receiving emails from it, send an email to rtc-linux+unsubscribe@googlegroups.com. For more options, visit https://groups.google.com/d/optout.