From patchwork Tue Aug 25 11:21:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maulik Shah X-Patchwork-Id: 11735555 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D46E9913 for ; Tue, 25 Aug 2020 11:22:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B952E2075F for ; Tue, 25 Aug 2020 11:22:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="MHoY2Hw6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729910AbgHYLWe (ORCPT ); Tue, 25 Aug 2020 07:22:34 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:50956 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729982AbgHYLWK (ORCPT ); Tue, 25 Aug 2020 07:22:10 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1598354528; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=KLf2zBaDDS5tD2z7RxlmoPAxmVgtqNHM5SLIOWEITKI=; b=MHoY2Hw6oqNQq7Ga9Y0Vvx+cKUnavpWoyLJzJXU7x4t43BoiClkrbcZWq4NocRJ+arSO46xE mcgI9t0pS0wWg1ekKgU+VC1+F//06AvVd0ttrB2CNZP9wDuctyBVx2Os3XAVoLOomr4qb2Rv VOF4kvEvXUghvsNrEfpbBIucp9w= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n01.prod.us-west-2.postgun.com with SMTP id 5f44f4504413b7d5db475922 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Tue, 25 Aug 2020 11:21:52 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 096F3C43391; Tue, 25 Aug 2020 11:21:52 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE, URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mkshah-linux.qualcomm.com (unknown [202.46.22.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: mkshah) by smtp.codeaurora.org (Postfix) with ESMTPSA id DA220C433CA; Tue, 25 Aug 2020 11:21:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org DA220C433CA Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=mkshah@codeaurora.org From: Maulik Shah To: bjorn.andersson@linaro.org, andy.gross@linaro.org Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, ulf.hansson@linaro.org, swboyd@chromium.org, dianders@chromium.org, rnayak@codeaurora.org, ilina@codeaurora.org, lsrao@codeaurora.org, John Stultz , Todd Kjos , Saravana Kannan , Andy Gross , Maulik Shah Subject: [PATCH v2 2/2] soc: qcom: rpmh: Allow RPMH driver to be loaded as a module Date: Tue, 25 Aug 2020 16:51:22 +0530 Message-Id: <1598354482-15491-3-git-send-email-mkshah@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1598354482-15491-1-git-send-email-mkshah@codeaurora.org> References: <1598354482-15491-1-git-send-email-mkshah@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: John Stultz This patch allow the rpmh driver to be loaded as a permenent module. Meaning it can be loaded from a module, but then cannot be unloaded. Ideally, it would include a remove hook and related logic, but the rpmh driver is fairly core to the system, so once its loaded with almost anything else to get the system to go, the dependencies are not likely to ever also be removed. So making it a permanent module at least improves things slightly over requiring it to be a built in driver. Cc: Todd Kjos Cc: Saravana Kannan Cc: Andy Gross Cc: Bjorn Andersson Cc: Rajendra Nayak Cc: linux-arm-msm@vger.kernel.org Signed-off-by: John Stultz Signed-off-by: Bjorn Andersson [mkshah: Fix typos in commit message, send after removing _rcuidle trace] Signed-off-by: Maulik Shah Reviewed-by: Stephen Boyd Reviewed-by: Bjorn Andersson --- drivers/soc/qcom/Kconfig | 2 +- drivers/soc/qcom/rpmh-rsc.c | 5 +++++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/soc/qcom/Kconfig b/drivers/soc/qcom/Kconfig index 3dc3e3d..892bdc7 100644 --- a/drivers/soc/qcom/Kconfig +++ b/drivers/soc/qcom/Kconfig @@ -92,7 +92,7 @@ config QCOM_RMTFS_MEM Say y here if you intend to boot the modem remoteproc. config QCOM_RPMH - bool "Qualcomm RPM-Hardened (RPMH) Communication" + tristate "Qualcomm RPM-Hardened (RPMH) Communication" depends on ARCH_QCOM || COMPILE_TEST help Support for communication with the hardened-RPM blocks in diff --git a/drivers/soc/qcom/rpmh-rsc.c b/drivers/soc/qcom/rpmh-rsc.c index fabe390d..5fce87c 100644 --- a/drivers/soc/qcom/rpmh-rsc.c +++ b/drivers/soc/qcom/rpmh-rsc.c @@ -13,6 +13,7 @@ #include #include #include +#include #include #include #include @@ -1025,6 +1026,7 @@ static const struct of_device_id rpmh_drv_match[] = { { .compatible = "qcom,rpmh-rsc", }, { } }; +MODULE_DEVICE_TABLE(of, rpmh_drv_match); static struct platform_driver rpmh_driver = { .probe = rpmh_rsc_probe, @@ -1040,3 +1042,6 @@ static int __init rpmh_driver_init(void) return platform_driver_register(&rpmh_driver); } arch_initcall(rpmh_driver_init); + +MODULE_DESCRIPTION("Qualcomm Technologies, Inc. RPMh Driver"); +MODULE_LICENSE("GPL v2");