From patchwork Tue Jun 16 06:13:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Stultz X-Patchwork-Id: 188458 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C7520C433DF for ; Tue, 16 Jun 2020 06:13:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A6F0A207D3 for ; Tue, 16 Jun 2020 06:13:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="z0Ya8NgI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727104AbgFPGNz (ORCPT ); Tue, 16 Jun 2020 02:13:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42168 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726909AbgFPGNt (ORCPT ); Tue, 16 Jun 2020 02:13:49 -0400 Received: from mail-pl1-x642.google.com (mail-pl1-x642.google.com [IPv6:2607:f8b0:4864:20::642]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BDAC6C03E97C for ; Mon, 15 Jun 2020 23:13:48 -0700 (PDT) Received: by mail-pl1-x642.google.com with SMTP id n9so7930362plk.1 for ; Mon, 15 Jun 2020 23:13:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=sjkuZIHgOGWNn0NM6WxaSWNlrL5TYHvrP2K4MQU57Qs=; b=z0Ya8NgIc7JGqkE+pEiQxFdlLb1wI+YIdEhjbg63klsr9SrNdiWfoslKkTEk6he3qf dTUbIL6TJWmiUS0mE3JJ680pY6mwbVwm9fG095z+akltQXiIt/Tm5YyuCKRkSwJXGNid ueARo5vX67GhC0jJKeiZ2O+xPlAIi7b5zjFyw/jrwW3EbNRMWWSbx4GCMJKpWzAcY6s3 Y8m3moUHonrenxnBYqM8BdukDS/D1MI63FiKaoqHeoenLKaFkHzd09/PJzgJghFTgGx8 D2F/uagbw34y3bfQlXcZWfvjzd1pHQlziWnls/d601EqJCI2KUVag4SNPvTdFblJyVbx GVxQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=sjkuZIHgOGWNn0NM6WxaSWNlrL5TYHvrP2K4MQU57Qs=; b=RulyNXvYb1M2k0hjt2WMyfzouRrSFq7WYf0B1I9zhkfwPXlm3jjOTHGyvFo6qUeRWQ foHc14sKipP45kdjiwXv6p0BtxHkKpsIfC447i16i8at/0iaOpK9t36xV6Nigf41Yh4U kp/22zzvqjnBWsrCQADFoP24ha5B03WgQESJoVq+o2SMEKkQt++w2bobF2GxA35cAi9O cYwvPf7l62ISR0VAxPwmPq4etzuP7Lh6JLRdXB3cK/189QJkUqn4QGsOVxstJOCuj4uh 57VPY9klUr5NqvbEi/RBnXvBLQYPXNZKeEKy7yebos56qRkPUlJ2R4eeqSt2CrfeKXoS 0BRQ== X-Gm-Message-State: AOAM5302FiN4znWf+PVUZxWZv/PLZ3Mov8bD/jDq4mW371ZEnLq3xu99 s8s4lJDESb1KhAuICxNB+zwLjg== X-Google-Smtp-Source: ABdhPJwYhjtOBdx0zxRParoCjvCJBIOPOU1zn3RHlSdNmeSw/AbOBT8/4UQJOQjCCNZqxbJatymuaQ== X-Received: by 2002:a17:90b:3004:: with SMTP id hg4mr1670052pjb.208.1592288028324; Mon, 15 Jun 2020 23:13:48 -0700 (PDT) Received: from localhost.localdomain ([2601:1c2:680:1319:692:26ff:feda:3a81]) by smtp.gmail.com with ESMTPSA id i26sm15642032pfo.0.2020.06.15.23.13.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Jun 2020 23:13:47 -0700 (PDT) From: John Stultz To: lkml Cc: John Stultz , Andy Gross , Bjorn Andersson , Joerg Roedel , Thomas Gleixner , Jason Cooper , Marc Zyngier , Linus Walleij , Lina Iyer , Saravana Kannan , Todd Kjos , Greg Kroah-Hartman , linux-arm-msm@vger.kernel.org, iommu@lists.linux-foundation.org, linux-gpio@vger.kernel.org Subject: [RFC][PATCH 5/5] firmware: QCOM_SCM: Allow qcom_scm driver to be loadable as a permenent module Date: Tue, 16 Jun 2020 06:13:38 +0000 Message-Id: <20200616061338.109499-6-john.stultz@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200616061338.109499-1-john.stultz@linaro.org> References: <20200616061338.109499-1-john.stultz@linaro.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Allow the qcom_scm driver to be loadable as a permenent module. Cc: Andy Gross Cc: Bjorn Andersson Cc: Joerg Roedel Cc: Thomas Gleixner Cc: Jason Cooper Cc: Marc Zyngier Cc: Linus Walleij Cc: Lina Iyer Cc: Saravana Kannan Cc: Todd Kjos Cc: Greg Kroah-Hartman Cc: linux-arm-msm@vger.kernel.org Cc: iommu@lists.linux-foundation.org Cc: linux-gpio@vger.kernel.org Signed-off-by: John Stultz --- drivers/firmware/Kconfig | 2 +- drivers/firmware/Makefile | 3 ++- drivers/firmware/qcom_scm.c | 4 ++++ drivers/iommu/Kconfig | 2 ++ 4 files changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig index fbd785dd0513..9e533a462bf4 100644 --- a/drivers/firmware/Kconfig +++ b/drivers/firmware/Kconfig @@ -236,7 +236,7 @@ config INTEL_STRATIX10_RSU Say Y here if you want Intel RSU support. config QCOM_SCM - bool + tristate "Qcom SCM driver" depends on ARM || ARM64 select RESET_CONTROLLER diff --git a/drivers/firmware/Makefile b/drivers/firmware/Makefile index 99510be9f5ed..cf24d674216b 100644 --- a/drivers/firmware/Makefile +++ b/drivers/firmware/Makefile @@ -17,7 +17,8 @@ obj-$(CONFIG_ISCSI_IBFT) += iscsi_ibft.o obj-$(CONFIG_FIRMWARE_MEMMAP) += memmap.o obj-$(CONFIG_RASPBERRYPI_FIRMWARE) += raspberrypi.o obj-$(CONFIG_FW_CFG_SYSFS) += qemu_fw_cfg.o -obj-$(CONFIG_QCOM_SCM) += qcom_scm.o qcom_scm-smc.o qcom_scm-legacy.o +obj-$(CONFIG_QCOM_SCM) += qcom-scm.o +qcom-scm-objs += qcom_scm.o qcom_scm-smc.o qcom_scm-legacy.o obj-$(CONFIG_TI_SCI_PROTOCOL) += ti_sci.o obj-$(CONFIG_TRUSTED_FOUNDATIONS) += trusted_foundations.o obj-$(CONFIG_TURRIS_MOX_RWTM) += turris-mox-rwtm.o diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c index 0e7233a20f34..b5e88bf66975 100644 --- a/drivers/firmware/qcom_scm.c +++ b/drivers/firmware/qcom_scm.c @@ -1155,6 +1155,7 @@ static const struct of_device_id qcom_scm_dt_match[] = { { .compatible = "qcom,scm" }, {} }; +MODULE_DEVICE_TABLE(of, qcom_scm_dt_match); static struct platform_driver qcom_scm_driver = { .driver = { @@ -1170,3 +1171,6 @@ static int __init qcom_scm_init(void) return platform_driver_register(&qcom_scm_driver); } subsys_initcall(qcom_scm_init); + +MODULE_DESCRIPTION("Qualcomm Technologies, Inc. SCM driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index b510f67dfa49..714893535dd2 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -381,6 +381,7 @@ config SPAPR_TCE_IOMMU config ARM_SMMU tristate "ARM Ltd. System MMU (SMMU) Support" depends on (ARM64 || ARM || (COMPILE_TEST && !GENERIC_ATOMIC64)) && MMU + depends on QCOM_SCM || !QCOM_SCM #if QCOM_SCM=m this can't be =y select IOMMU_API select IOMMU_IO_PGTABLE_LPAE select ARM_DMA_USE_IOMMU if ARM @@ -500,6 +501,7 @@ config QCOM_IOMMU # Note: iommu drivers cannot (yet?) be built as modules bool "Qualcomm IOMMU Support" depends on ARCH_QCOM || (COMPILE_TEST && !GENERIC_ATOMIC64) + depends on QCOM_SCM=y select IOMMU_API select IOMMU_IO_PGTABLE_LPAE select ARM_DMA_USE_IOMMU