[{"id":1787873,"web_url":"http://patchwork.ozlabs.org/comment/1787873/","msgid":"<59E53637.8020502@gmail.com>","list_archive_url":null,"date":"2017-10-16T22:44:07","subject":"Re: [RESEND][PATCH 0/4] firmware: of: populate /firmware/ node\n\tduring init","submitter":{"id":64196,"url":"http://patchwork.ozlabs.org/api/people/64196/","name":"Frank Rowand","email":"frowand.list@gmail.com"},"content":"+ me\n\nOn 09/28/17 03:45, Sudeep Holla wrote:\n> Hi Rob, Arnd,\n> \n> There's a push to place all firmware related device node under\n> /firmware/ node. However all the associated drivers are dealing with\n> device creation in their own ways. For example, qcom_scm, optee and\n> meson-sm drivers deal with the node in their own way. The SCMI drivers\n> I am about to add also needs to do the same. This small series is to\n> make it generic so that all the users of /firmware/ node need not\n> repeat the same.\n> \n> There was concern that /firmware in DT is fit for /sys/firmware in sysfs.\n> IMO anything exposed to userspace from such firmware interface must\n> be in \"/sys/firmware\", but I don't see any issue with kernel handling\n> them as platform device/driver internally.\n> \n> Sudeep Holla (4):\n> of: platform: populate /firmware/ node from\n> of_platform_default_populate_init()\n> firmware: qcom_scm: drop redandant of_platform_populate\n> drivers: tee: rework optee_driver_{init,exit} to use platform device\n> firmware: meson-sm: rework meson_sm_init to use\n> module_platform_driver_probe\n> \n> drivers/firmware/meson/meson_sm.c | 21 ++++++-----\n> drivers/firmware/qcom_scm.c | 24 -------------\n> drivers/of/platform.c | 4 +++\n> drivers/tee/optee/core.c | 74 +++++++++++++--------------------------\n> 4 files changed, 41 insertions(+), 82 deletions(-)\n> \n> --\n> 2.7.4\n> \n> --\n> To unsubscribe from this list: send the line \"unsubscribe devicetree\" in\n> the body of a message to majordomo@vger.kernel.org\n> More majordomo info at http://vger.kernel.org/majordomo-info.html\n>","headers":{"Return-Path":"","X-Original-To":"incoming-imx@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming-imx@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.infradead.org\n\t(client-ip=65.50.211.133; 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Linux x86_64; rv:38.0) Gecko/20100101\n\tThunderbird/38.4.0","MIME-Version":"1.0","In-Reply-To":"<1506595562-10592-1-git-send-email-sudeep.holla@arm.com>","X-CRM114-Version":"20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ","X-CRM114-CacheID":"sfid-20171016_154430_602603_F7187F71 ","X-CRM114-Status":"GOOD ( 15.47 )","X-Spam-Score":"-2.0 (--)","X-Spam-Report":"SpamAssassin version 3.4.1 on bombadil.infradead.org summary:\n\tContent analysis details: (-2.0 points)\n\tpts rule name description\n\t---- ----------------------\n\t--------------------------------------------------\n\t-0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/,\n\tno\n\ttrust [2607:f8b0:400e:c00:0:0:0:242 listed in] [list.dnswl.org]\n\t-0.0 SPF_PASS SPF: sender matches SPF record\n\t0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail\n\tprovider (frowand.list[at]gmail.com)\n\t-1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n\t[score: 0.0000]\n\t-0.1 DKIM_VALID Message has at least one valid DKIM or DK signature\n\t0.1 DKIM_SIGNED Message has a DKIM or DK signature,\n\tnot necessarily valid\n\t-0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from\n\tauthor's domain","X-BeenThere":"linux-arm-kernel@lists.infradead.org","X-Mailman-Version":"2.1.21","Precedence":"list","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"devicetree@vger.kernel.org, Rob Herring ,\n\tFrank Rowand , linux-kernel@vger.kernel.org","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Sender":"\"linux-arm-kernel\" ","Errors-To":"linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org","List-Id":"linux-imx-kernel.lists.patchwork.ozlabs.org"}},{"id":1787875,"web_url":"http://patchwork.ozlabs.org/comment/1787875/","msgid":"<59E53651.5070704@gmail.com>","list_archive_url":null,"date":"2017-10-16T22:44:33","subject":"Re: [RESEND][PATCH 1/4] of: platform: populate /firmware/ node from\n\tof_platform_default_populate_init()","submitter":{"id":64196,"url":"http://patchwork.ozlabs.org/api/people/64196/","name":"Frank Rowand","email":"frowand.list@gmail.com"},"content":"+ me\n\nOn 09/28/17 03:45, Sudeep Holla wrote:\n> Since \"/firmware\" does not have its own \"compatible\" property as it's\n> just collection of nodes representing firmware interface, it's sub-nodes\n> are not populated during system initialization.\n> \n> Currently different firmware drivers search the /firmware/ node and\n> populate the sub-node devices selectively. Instead we can populate\n> the /firmware/ node during init to avoid more drivers continuing to\n> populate the devices selectively.\n> \n> To generalize the solution this patch populates the /firmware/ node\n> explicitly from of_platform_default_populate_init().\n> \n> Cc: Arnd Bergmann \n> Cc: Rob Herring \n> Signed-off-by: Sudeep Holla \n> ---\n> drivers/of/platform.c | 4 ++++\n> 1 file changed, 4 insertions(+)\n> \n> diff --git a/drivers/of/platform.c b/drivers/of/platform.c\n> index ac15d0e3d27d..3a213a6aee89 100644\n> --- a/drivers/of/platform.c\n> +++ b/drivers/of/platform.c\n> @@ -515,6 +515,10 @@ static int __init of_platform_default_populate_init(void)\n> \t\t\tof_platform_device_create(node, NULL, NULL);\n> \t}\n> \n> +\tnode = of_find_node_by_path(\"/firmware\");\n> +\tif (node)\n> +\t\tof_platform_populate(node, NULL, NULL, NULL);\n> +\n> \t/* Populate everything else. */\n> \tof_platform_default_populate(NULL, NULL, NULL);\n> \n>","headers":{"Return-Path":"","X-Original-To":"incoming-imx@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming-imx@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.infradead.org\n\t(client-ip=65.50.211.133; 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Linux x86_64; rv:38.0) Gecko/20100101\n\tThunderbird/38.4.0","MIME-Version":"1.0","In-Reply-To":"<1506595562-10592-2-git-send-email-sudeep.holla@arm.com>","X-CRM114-Version":"20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ","X-CRM114-CacheID":"sfid-20171016_154456_283726_86EFE783 ","X-CRM114-Status":"GOOD ( 13.53 )","X-Spam-Score":"-2.0 (--)","X-Spam-Report":"SpamAssassin version 3.4.1 on bombadil.infradead.org summary:\n\tContent analysis details: (-2.0 points)\n\tpts rule name description\n\t---- ----------------------\n\t--------------------------------------------------\n\t-0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/,\n\tno\n\ttrust [2607:f8b0:400e:c00:0:0:0:243 listed in] [list.dnswl.org]\n\t-0.0 SPF_PASS SPF: sender matches SPF record\n\t0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail\n\tprovider (frowand.list[at]gmail.com)\n\t-1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n\t[score: 0.0000]\n\t-0.1 DKIM_VALID Message has at least one valid DKIM or DK signature\n\t0.1 DKIM_SIGNED Message has a DKIM or DK signature,\n\tnot necessarily valid\n\t-0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from\n\tauthor's domain","X-BeenThere":"linux-arm-kernel@lists.infradead.org","X-Mailman-Version":"2.1.21","Precedence":"list","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"Rob Herring , Arnd Bergmann ,\n\tdevicetree@vger.kernel.org, linux-kernel@vger.kernel.org,\n\tRob Herring , Frank Rowand ","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Sender":"\"linux-arm-kernel\" ","Errors-To":"linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org","List-Id":"linux-imx-kernel.lists.patchwork.ozlabs.org"}},{"id":1788378,"web_url":"http://patchwork.ozlabs.org/comment/1788378/","msgid":"","list_archive_url":null,"date":"2017-10-17T13:02:12","subject":"Re: [RESEND][PATCH 1/4] of: platform: populate /firmware/ node from\n\tof_platform_default_populate_init()","submitter":{"id":62529,"url":"http://patchwork.ozlabs.org/api/people/62529/","name":"Rob Herring (Arm)","email":"robh@kernel.org"},"content":"On Thu, Sep 28, 2017 at 5:45 AM, Sudeep Holla wrote:\n> Since \"/firmware\" does not have its own \"compatible\" property as it's\n> just collection of nodes representing firmware interface, it's sub-nodes\n> are not populated during system initialization.\n>\n> Currently different firmware drivers search the /firmware/ node and\n> populate the sub-node devices selectively. Instead we can populate\n> the /firmware/ node during init to avoid more drivers continuing to\n> populate the devices selectively.\n>\n> To generalize the solution this patch populates the /firmware/ node\n> explicitly from of_platform_default_populate_init().\n>\n> Cc: Arnd Bergmann \n> Cc: Rob Herring \n> Signed-off-by: Sudeep Holla \n> ---\n> drivers/of/platform.c | 4 ++++\n> 1 file changed, 4 insertions(+)\n\nAcked-by: Rob Herring ","headers":{"Return-Path":"","X-Original-To":"incoming-imx@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming-imx@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.infradead.org\n\t(client-ip=65.50.211.133; helo=bombadil.infradead.org;\n\tenvelope-from=linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org;\n\treceiver=)","ozlabs.org; dkim=pass (2048-bit key;\n\tunprotected) header.d=lists.infradead.org\n\theader.i=@lists.infradead.org\n\theader.b=\"CjJIHMGC\"; dkim-atps=neutral","mail.kernel.org;\n\tdmarc=none (p=none dis=none) header.from=kernel.org","mail.kernel.org;\n\tspf=none smtp.mailfrom=robh@kernel.org"],"Received":["from bombadil.infradead.org (bombadil.infradead.org\n\t[65.50.211.133])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3yGb2y6CNlz9sPr\n\tfor ;\n\tWed, 18 Oct 2017 00:03:06 +1100 (AEDT)","from localhost ([127.0.0.1] helo=bombadil.infradead.org)\n\tby bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux))\n\tid 1e4RWQ-00079P-K2; 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bh=0mN+9e/lUWFPL/xfSJ/fKnQBQhrzYaG7KRmNkY0Jb/8=;\n\tb=CjJIHMGCjVqTRW\n\tVg9ljmcVQeCv1TmYrCvSY7jaZ/u0cpVyLBAHC9J549AdXRdV5UytRRRqjoSEz23f/4JB4ASPN+j3i\n\tWWdIogkODoMFzgXP1hSJTeJELBFFXFlJSE4wl6EFP4F/ay+kMHscVFVau3htaGvv0Q14s0z7ysfDV\n\t0Lo/AUl8q8b7hLuAnPhaMbqvk6pI0PcTdmUqYG4uq0pvAWiiaxo7TAdF3pR7dgB9sHCIzOetQvqj4\n\tKJyI/F9p6ISuCNQK5xkURGC7Pin3OzKhndWwTMHYiRKPjt1HsK50hv9PBTuD/CC/bFJjBqf9citNa\n\tp1Y/PXPQk/IMFc4rpl1A==;","DMARC-Filter":"OpenDMARC Filter v1.3.2 mail.kernel.org D126321922","X-Gm-Message-State":"AMCzsaVzwdYh48ynV9ix5xNY820LRWxhCa1L4I0QZM2AYaUDij4ik5za\n\tgkUSwr507OGxg9KECOrg3bmUbd/vgLFu4juH2Q==","X-Google-Smtp-Source":"AOwi7QC/8E5fQSBwGTYyfv30SPP6rk+Vg03GwJAI4rNvttwgEMl5z4l5hGH0lMXVwNpDren+9W9002BZwomGvVBZ7Io=","X-Received":"by 10.55.17.211 with SMTP id 80mr17971107qkr.270.1508245353048; \n\tTue, 17 Oct 2017 06:02:33 -0700 (PDT)","MIME-Version":"1.0","In-Reply-To":"<1506595562-10592-2-git-send-email-sudeep.holla@arm.com>","References":"<1506595562-10592-1-git-send-email-sudeep.holla@arm.com>\n\t<1506595562-10592-2-git-send-email-sudeep.holla@arm.com>","From":"Rob Herring ","Date":"Tue, 17 Oct 2017 08:02:12 -0500","X-Gmail-Original-Message-ID":"","Message-ID":"","Subject":"Re: [RESEND][PATCH 1/4] of: platform: populate /firmware/ node from\n\tof_platform_default_populate_init()","To":"Sudeep Holla ","X-CRM114-Version":"20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ","X-CRM114-CacheID":"sfid-20171017_060255_280057_3B28AC10 ","X-CRM114-Status":"GOOD ( 11.65 )","X-Spam-Score":"-6.4 (------)","X-Spam-Report":"SpamAssassin version 3.4.1 on bombadil.infradead.org summary:\n\tContent analysis details: (-6.4 points)\n\tpts rule name description\n\t---- ----------------------\n\t--------------------------------------------------\n\t-5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/,\n\thigh trust [198.145.29.99 listed in list.dnswl.org]\n\t0.5 RCVD_IN_SORBS_SPAM RBL: SORBS: sender is a spam source\n\t[209.85.220.170 listed in dnsbl.sorbs.net]\n\t-0.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay\n\tdomain\n\t-1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n\t[score: 0.0000]","X-BeenThere":"linux-arm-kernel@lists.infradead.org","X-Mailman-Version":"2.1.21","Precedence":"list","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"\"devicetree@vger.kernel.org\" ,\n\tFrank Rowand , Arnd Bergmann , \n\t\"linux-kernel@vger.kernel.org\" ,\n\t\"linux-arm-kernel@lists.infradead.org\"\n\t","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Sender":"\"linux-arm-kernel\" ","Errors-To":"linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org","List-Id":"linux-imx-kernel.lists.patchwork.ozlabs.org"}},{"id":1792649,"web_url":"http://patchwork.ozlabs.org/comment/1792649/","msgid":"<52ed3abb-6b05-89c9-5ab4-31b37ffa1db9@arm.com>","list_archive_url":null,"date":"2017-10-23T15:59:54","subject":"Re: [RESEND][PATCH 1/4] of: platform: populate /firmware/ node from\n\tof_platform_default_populate_init()","submitter":{"id":47836,"url":"http://patchwork.ozlabs.org/api/people/47836/","name":"Sudeep Holla","email":"Sudeep.Holla@arm.com"},"content":"Hi Arnd,\n\nOn 17/10/17 14:02, Rob Herring wrote:\n> On Thu, Sep 28, 2017 at 5:45 AM, Sudeep Holla wrote:\n>> Since \"/firmware\" does not have its own \"compatible\" property as it's\n>> just collection of nodes representing firmware interface, it's sub-nodes\n>> are not populated during system initialization.\n>>\n>> Currently different firmware drivers search the /firmware/ node and\n>> populate the sub-node devices selectively. Instead we can populate\n>> the /firmware/ node during init to avoid more drivers continuing to\n>> populate the devices selectively.\n>>\n>> To generalize the solution this patch populates the /firmware/ node\n>> explicitly from of_platform_default_populate_init().\n>>\n\nYou had concernsin the past and I mentioned that firmware interface to\nuser-space *has* to continue in /sys/firmware, but he platform_device\nmanagement is internal to kernel.\n\nCan we proceed with this change at-least for qcom and meson firmware\nwhich are platform device already ? I can drop optee related changes.","headers":{"Return-Path":"","X-Original-To":"incoming-imx@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming-imx@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.infradead.org\n\t(client-ip=65.50.211.133; helo=bombadil.infradead.org;\n\tenvelope-from=linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org;\n\treceiver=)","ozlabs.org; dkim=pass (2048-bit key;\n\tunprotected) header.d=lists.infradead.org\n\theader.i=@lists.infradead.org\n\theader.b=\"DiVhEc8Y\"; dkim-atps=neutral"],"Received":["from bombadil.infradead.org (bombadil.infradead.org\n\t[65.50.211.133])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3yLLjC1QyYz9t6F\n\tfor ;\n\tTue, 24 Oct 2017 03:00:47 +1100 (AEDT)","from localhost ([127.0.0.1] helo=bombadil.infradead.org)\n\tby bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux))\n\tid 1e6f9f-0006fF-U0; Mon, 23 Oct 2017 16:00:43 +0000","from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]\n\thelo=foss.arm.com)\n\tby bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux))\n\tid 1e6f9Q-0005Xx-C4 for linux-arm-kernel@lists.infradead.org;\n\tMon, 23 Oct 2017 16:00:31 +0000","from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249])\n\tby usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 0CB351435;\n\tMon, 23 Oct 2017 09:00:08 -0700 (PDT)","from [10.1.210.28] (e107155-lin.cambridge.arm.com [10.1.210.28])\n\tby usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id\n\tB15173F25D; Mon, 23 Oct 2017 09:00:05 -0700 (PDT)"],"DKIM-Signature":"v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;\n\td=lists.infradead.org; s=bombadil.20170209; h=Sender:\n\tContent-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post:\n\tList-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:\n\tMessage-ID:From:References:To:Subject:Reply-To:Content-ID:Content-Description\n\t:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:\n\tList-Owner; bh=ddGpQjU/ps94GfNiWO96XKDnKEz75YLKED/laWs3m3g=;\n\tb=DiVhEc8YHtQSpN\n\tdFE33VT3ghzu8ldXshQfInDhwUnvGfokRtwaJJcOB2Te1WcsV2U5gxXzbTX7sgZUi8qCDEsjVYfcA\n\tZAEy8+gYQFBaU1ege9Q3SheZhDhHvpXhVUdJ0jd8e/7E7eczucbiEw3D3jnLNC28W0WJeKsYvPc8z\n\tsFuQhTNT9EubuChZwLA0mAHISDwAmzbjWpm+OstEOJq6Lco7l6zz4nGmge80RKQ18wo6TAIJUMM2b\n\t4845az7f7nL/tODRy9MHXqElXTAwf1y1A+CWmz0ZylXPE/QL4Lk/K+a8BN9z6nMCREPCzYNwGLFWT\n\tarUTawpjhd/7bPniLmVQ==;","Subject":"Re: [RESEND][PATCH 1/4] of: platform: populate /firmware/ node from\n\tof_platform_default_populate_init()","To":"Arnd Bergmann ","References":"<1506595562-10592-1-git-send-email-sudeep.holla@arm.com>\n\t<1506595562-10592-2-git-send-email-sudeep.holla@arm.com>\n\t","From":"Sudeep Holla ","Organization":"ARM","Message-ID":"<52ed3abb-6b05-89c9-5ab4-31b37ffa1db9@arm.com>","Date":"Mon, 23 Oct 2017 16:59:54 +0100","User-Agent":"Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101\n\tThunderbird/52.4.0","MIME-Version":"1.0","In-Reply-To":"","Content-Language":"en-US","X-CRM114-Version":"20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ","X-CRM114-CacheID":"sfid-20171023_090028_709422_2EB7FA3A ","X-CRM114-Status":"UNSURE ( 9.21 )","X-CRM114-Notice":"Please train this message.","X-Spam-Score":"-6.9 (------)","X-Spam-Report":"SpamAssassin version 3.4.1 on bombadil.infradead.org summary:\n\tContent analysis details: (-6.9 points)\n\tpts rule name description\n\t---- ----------------------\n\t--------------------------------------------------\n\t-5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/,\n\thigh trust [217.140.101.70 listed in list.dnswl.org]\n\t-0.0 SPF_PASS SPF: sender matches SPF record\n\t-0.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay\n\tdomain\n\t-1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n\t[score: 0.0000]","X-BeenThere":"linux-arm-kernel@lists.infradead.org","X-Mailman-Version":"2.1.21","Precedence":"list","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"Rob Herring ,\n\t\"devicetree@vger.kernel.org\" ,\n\t\"linux-kernel@vger.kernel.org\" ,\n\tSudeep Holla ,\n\tFrank Rowand , \n\t\"linux-arm-kernel@lists.infradead.org\"\n\t","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Sender":"\"linux-arm-kernel\" ","Errors-To":"linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org","List-Id":"linux-imx-kernel.lists.patchwork.ozlabs.org"}},{"id":1828752,"web_url":"http://patchwork.ozlabs.org/comment/1828752/","msgid":"","list_archive_url":null,"date":"2017-12-26T21:26:04","subject":"Re: [RESEND][PATCH 1/4] of: platform: populate /firmware/ node from\n\tof_platform_default_populate_init()","submitter":{"id":68398,"url":"http://patchwork.ozlabs.org/api/people/68398/","name":"Bjorn Andersson","email":"bjorn.andersson@linaro.org"},"content":"On Thu, Sep 28, 2017 at 3:45 AM, Sudeep Holla wrote:\n> Since \"/firmware\" does not have its own \"compatible\" property as it's\n> just collection of nodes representing firmware interface, it's sub-nodes\n> are not populated during system initialization.\n>\n> Currently different firmware drivers search the /firmware/ node and\n> populate the sub-node devices selectively. Instead we can populate\n> the /firmware/ node during init to avoid more drivers continuing to\n> populate the devices selectively.\n>\n> To generalize the solution this patch populates the /firmware/ node\n> explicitly from of_platform_default_populate_init().\n>\n> Cc: Arnd Bergmann \n> Cc: Rob Herring \n\nAcked-by: Bjorn Andersson \nTested-by: Bjorn Andersson \n\n> Signed-off-by: Sudeep Holla \n> ---\n\nAndy, as you picked patch 2/4 into your v4.16 -next branch we no\nlonger probe the qcom_scm device, causing various breakage. Can you\nplease pick this patch as well (it has Rob's ack).\n\nRegards,\nBjorn\n\n> drivers/of/platform.c | 4 ++++\n> 1 file changed, 4 insertions(+)\n>\n> diff --git a/drivers/of/platform.c b/drivers/of/platform.c\n> index ac15d0e3d27d..3a213a6aee89 100644\n> --- a/drivers/of/platform.c\n> +++ b/drivers/of/platform.c\n> @@ -515,6 +515,10 @@ static int __init of_platform_default_populate_init(void)\n> of_platform_device_create(node, NULL, NULL);\n> }\n>\n> + node = of_find_node_by_path(\"/firmware\");\n> + if (node)\n> + of_platform_populate(node, NULL, NULL, NULL);\n> +\n> /* Populate everything else. */\n> of_platform_default_populate(NULL, NULL, NULL);\n>\n> --\n> 2.7.4\n>","headers":{"Return-Path":"","X-Original-To":"incoming-imx@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming-imx@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.infradead.org\n\t(client-ip=65.50.211.133; helo=bombadil.infradead.org;\n\tenvelope-from=linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org;\n\treceiver=)","ozlabs.org; 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