From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B9843606A31B for ; Thu, 22 Oct 2026 09:26:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=KnqZ+gOh; dkim=pass (2048-bit key, unprotected) header.d=dolcini.it header.i=@dolcini.it header.a=rsa-sha256 header.s=default header.b=m3R8cqC9 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; 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a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1792661141; bh=P0yLNScvKloWayj6m2JS8KQwpfW0PaSmZECjKePOOcQ=; h=From:To:Subject; b=m3R8cqC9bN5rVAb3hFAteUVOrvqJuH6oDlJJpvVXlBd2+MauylWg+f/aqhz9A0QcA d+OsiaxgschYB0IDOSnkv8s1mse4K9lQTg6WbjqzTuO37lEq+/gleMONdXV5NKwTxC T4Jenk+3pBQoOrN466ELQl4fWydTW2uz9dr2iS2ICkQD72X7+GYQX5m03cFwPgrbV7 jjSqCQjxDERBCC4WDQdiyb4Nzia6QVjizaKvZx5iQQMW6eZEhhee4o6n0jOwAkxeNO YVX3LOAYYYNq90P7evM2r98BcmO910JKpFCoR9EcsG3jGHQ0jX4v9byTr3zuV1wb1p mWEi80kUDDNDg== Date: Thu, 22 Oct 2026 11:25:36 +0200 From: Francesco Dolcini To: Christoph Niedermaier Cc: Marek Vasut , Francesco Dolcini , "linux-arm-kernel@lists.infradead.org" , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , "devicetree@vger.kernel.org" , "imx@lists.linux.dev" , kernel , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH 1/2] ARM: dts: imx6ull-dhcor-maveo-box: Remove unused SPI device Message-ID: <20261022092536.GA232648@francesco-nb> References: <20261021134435.17350-1-cniedermaier@dh-electronics.com> <1073daf0-3676-4123-9ca4-c182ea5883a3@nabladev.com> <20261021183704.GA1116319@francesco-nb> <71d725ee47804205826bdda322fdfdb6@dh-electronics.com> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <71d725ee47804205826bdda322fdfdb6@dh-electronics.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261022_022548_855036_4DA05318 X-CRM114-Status: GOOD ( 18.09 ) X-Spam-Score: -2.1 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-10.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Hello Christoph, On Thu, Oct 22, 2026 at 09:12:12AM +0000, Christoph Niedermaier wrote: > From: Marek Vasut > Sent: Wednesday, October 21, 2026 8:56 PM > > On 10/21/26 8:37 PM, Francesco Dolcini wrote: > >> On Wed, Oct 21, 2026 at 07:19:30PM +0200, Marek Vasut wrote: > >>> On 10/21/26 3:44 PM, Christoph Niedermaier wrote: [...] > >>>> --- a/arch/arm/boot/dts/nxp/imx/imx6ull-dhcor-maveo-box.dts > >>>> +++ b/arch/arm/boot/dts/nxp/imx/imx6ull-dhcor-maveo-box.dts > >>>> @@ -60,14 +60,6 @@ &ecspi4 { > >>>> pinctrl-0 = <&pinctrl_ecspi4>; > >>>> pinctrl-names = "default"; > >>>> status = "okay"; > >>> > >>> Drop "status = "okay"" too , since this controller will be unused ? > >> > >> you can instantiate a new device on the SPI bus from userspace. up to > >> you, but if I was a user I would appreciate to have it enabled. > > Good point -- Christoph, is this the (use)case here , can the user do that? > > I don't think that's the case, since there isn't currently an SPI device > connected to this interface. Nevertheless, I'd be interested to know how > to instantiate a new device from user space. Documentation/spi/instantiating-devices.rst Francesco