From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3ADCFC2BD05 for ; Mon, 24 Jun 2024 05:58:22 +0000 (UTC) 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:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=dw98ddzJqWd+D3nFHhZcbUKRlzZrI7YBmrQMResJYag=; b=2wGFymK6EuRXP+dGXDRYZoC+op R9a3Oz7Ts8IUh1HBRtR0jwzpH3n9Mq4Lt9cX95r9JAA3amiofjGXb4Oc6QCGs9N5D9UQgBBDUz9K9 kdPPKGjNMjAfG6x8DQdRkceimZVkblgPeU5ORnXpjW+P40WB9hKHf/qZlaj+T6aBd5/MCqunyPdNg njDTv7EsFaExneqb26eKWb0l49Hgt+5djuzsAozerpHO0+5qHxMDKlt0gAE5cQ9HQX5sJqgTrhwdr P4zaa0PefSV4CKssjO//w1vZoOFUkucJC1oTyHgM5tXznXjQthNHu2XwMCIFC0/grXBK73eLM8GGp Lx6gqlDw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sLciN-0000000Ff0P-29IN; Mon, 24 Jun 2024 05:58:07 +0000 Received: from sin.source.kernel.org ([2604:1380:40e1:4800::1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sLciI-0000000Fezh-2TDO for linux-arm-kernel@lists.infradead.org; Mon, 24 Jun 2024 05:58:04 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 52140CE1025; Mon, 24 Jun 2024 05:58:00 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AEA85C2BBFC; Mon, 24 Jun 2024 05:57:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1719208679; bh=BuNlnahmg3+TJg9BToutUnnarm8xdDJGpNmE6+5oF8A=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=OHUBbyOAkup/wUoJL8ijEDH/Xn938syrvANuumaJq5nrGSn+DbomvqcayREGcvNHb jUf+qEuQ1mL2R1wetUTXE3aUKT4yzfJCyPDr9b40U1pQrbNKo24cgIatbfAoOgbVBM wEd/I1mb8Bhg4DD5xQ338Rpzyvwtiu52Of5cijwJL/CffGIxy/zShPzcSUPszzzwsi TJeFU1HYPbXG/eMUiY3iaUcf4RXFqjMkxi+DsJ64ZUtpG6784ptkYd5L5E0iM+9W+G NZicGTpgzUDQtLTDa7eVXtM8PEYgHowx4OiEHlEvcT6DNQL61fUwRfWPQ1mWDDBMsK mHG55qAvVxb6w== Message-ID: Date: Mon, 24 Jun 2024 07:57:51 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 1/2] mfd: syscon: add of_syscon_register_regmap() API To: Peter Griffin , lee@kernel.org, arnd@arndb.de, alim.akhtar@samsung.com Cc: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, tudor.ambarus@linaro.org, andre.draszik@linaro.org, saravanak@google.com, willmcvicker@google.com, semen.protsenko@linaro.org, kernel-team@android.com References: <20240621115544.1655458-1-peter.griffin@linaro.org> <20240621115544.1655458-2-peter.griffin@linaro.org> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240623_225803_022266_C32C6A82 X-CRM114-Status: GOOD ( 15.58 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 21/06/2024 13:55, Peter Griffin wrote: > The of_syscon_register_regmap() API allows an externally created regmap > to be registered with syscon. This regmap can then be returned to client > drivers using the syscon_regmap_lookup_by_phandle() APIs. > > The API is used by platforms where mmio access to the syscon registers is > not possible, and a underlying soc driver like exynos-pmu provides a SoC > specific regmap that can issue a SMC or hypervisor call to write the > register. > > This approach keeps the SoC complexities out of syscon, but allows common > drivers such as syscon-poweroff, syscon-reboot and friends that are used > by many SoCs already to be re-used. > > Signed-off-by: Peter Griffin > Reviewed-by: Arnd Bergmann > Reviewed-by: Sam Protsenko Reviewed-by: Krzysztof Kozlowski Lee, The second patch is for Samsung SoC but it depends on this one. I do not see any conflicting work, so you could take both via MFD tree, but just in case, could you keep both on a separate patchset? That way I could still pull it if there are more patches coming. Best regards, Krzysztof