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 X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 A6DBBC07E95 for ; Wed, 7 Jul 2021 04:53:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8D39D6135C for ; Wed, 7 Jul 2021 04:53:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230197AbhGGE4E (ORCPT ); Wed, 7 Jul 2021 00:56:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52920 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230099AbhGGE4E (ORCPT ); Wed, 7 Jul 2021 00:56:04 -0400 Received: from mail-pl1-x629.google.com (mail-pl1-x629.google.com [IPv6:2607:f8b0:4864:20::629]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 81AB7C06175F for ; Tue, 6 Jul 2021 21:53:24 -0700 (PDT) Received: by mail-pl1-x629.google.com with SMTP id m15so380591plx.7 for ; Tue, 06 Jul 2021 21:53:24 -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:mime-version :content-transfer-encoding; bh=b7KlGzb3TmhwFXRRdHyMSPZ+oFfClo2RvfzkKVOqRIE=; b=MR+Kh5re0say7uKj97Qo57vfgE0O45SK2VtGHoqBLcjZIoJBtIbISX5W5hIIx8H3lY dRn/Ne8zsaSC/gcCsbbERFe8wzQD84ABydKcNPOFSql3Wfutz7zQ85mpl8GvGTNBwSPf uHZL72RK2shnnvQo8K9MQ4qZuPG2WtZylcn8e7yPND67iLpwMUs2LXLeHjRq/2A9k/xv 5nErrKmdNJsJUPZSR1DBJbsSRGzw1FkPNAuXMtPGP0fS5dseuE+wu6fif8M7QiBgb8J/ S1D1B4piuUY3yvWjqnNhLTpGVsKZ1utJ7FhmlIhwcWHZIhwWDctcaEuH2CFcqLUBaNFF SnyQ== 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:mime-version :content-transfer-encoding; bh=b7KlGzb3TmhwFXRRdHyMSPZ+oFfClo2RvfzkKVOqRIE=; b=IoXE3xV2DOC8I8ljxdH9aWAYgBL1Fd3bPRyKRnhPJLqaNRaf9ZYQT7ONMCs6C281T0 YY9iJ+ZX4w1eQki9TuzRoB/YIYVEP8q0E31aTrr4Vq6wiSr04+nrU7cHIvShqNrcV+Uc Z7l2GFO1c2kzJtGtxvYNDwqKIB+yN5RkIysA3mRv0JyfcAYq799PjkwipgomILZNVK09 koNdlJkdkbe5F6lLg2MdafSmBi60ios6Hqk1MoPPe/RXL6GqYeetBdXRGWNidvyfEYi8 JQNiX28phS38sEr5Qnz+UlBOv6i0hwkyDkxU0HEYX+T6XHYcavmX0tOOw1jesbd4mXdr V1tw== X-Gm-Message-State: AOAM530Qq6V3PdCEpzS9Z9FAoxkcFo+hg8Wgg9H1km7YBSzPYmYMapBA OdtgOceLg4kfTlTr2aMa1x8FvA== X-Google-Smtp-Source: ABdhPJxmfXN0Zq6/BLURJHxCQrZ6A0dwbe0zi7IiRX2YuJNASsDDixB+OSWdXdmuZwA0cc4XIX+mgQ== X-Received: by 2002:a17:90b:1403:: with SMTP id jo3mr4164988pjb.160.1625633604031; Tue, 06 Jul 2021 21:53:24 -0700 (PDT) Received: from localhost.localdomain ([2601:1c2:680:1319:692:26ff:feda:3a81]) by smtp.gmail.com with ESMTPSA id t185sm14007101pfc.1.2021.07.06.21.53.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Jul 2021 21:53:23 -0700 (PDT) From: John Stultz To: lkml Cc: John Stultz , Catalin Marinas , Will Deacon , Andy Gross , Bjorn Andersson , Joerg Roedel , Thomas Gleixner , Marc Zyngier , Linus Walleij , Vinod Koul , Kalle Valo , Maulik Shah , Saravana Kannan , Todd Kjos , Greg Kroah-Hartman , linux-arm-msm@vger.kernel.org, iommu@lists.linux-foundation.org, linux-gpio@vger.kernel.org Subject: [PATCH] firmware: QCOM_SCM: Allow qcom_scm driver to be loadable as a permenent module Date: Wed, 7 Jul 2021 04:53:20 +0000 Message-Id: <20210707045320.529186-1-john.stultz@linaro.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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. This still uses the "depends on QCOM_SCM || !QCOM_SCM" bit to ensure that drivers that call into the qcom_scm driver are also built as modules. While not ideal in some cases its the only safe way I can find to avoid build errors without having those drivers select QCOM_SCM and have to force it on (as QCOM_SCM=n can be valid for those drivers). Reviving this now that Saravana's fw_devlink defaults to on, which should avoid loading troubles seen before. Cc: Catalin Marinas Cc: Will Deacon Cc: Andy Gross Cc: Bjorn Andersson Cc: Joerg Roedel Cc: Thomas Gleixner Cc: Marc Zyngier Cc: Linus Walleij Cc: Vinod Koul Cc: Kalle Valo Cc: Maulik Shah 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 Acked-by: Kalle Valo Acked-by: Greg Kroah-Hartman Acked-by: Will Deacon Reviewed-by: Bjorn Andersson Signed-off-by: John Stultz --- v3: * Fix __arm_smccc_smc build issue reported by kernel test robot v4: * Add "depends on QCOM_SCM || !QCOM_SCM" bit to ath10k config that requires it. v5: * Fix QCOM_QCM typo in Kconfig, it should be QCOM_SCM --- drivers/firmware/Kconfig | 2 +- drivers/firmware/Makefile | 3 ++- drivers/firmware/qcom_scm.c | 4 ++++ drivers/iommu/Kconfig | 2 ++ drivers/net/wireless/ath/ath10k/Kconfig | 1 + 5 files changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig index db0ea2d2d75a..af53778edc7e 100644 --- a/drivers/firmware/Kconfig +++ b/drivers/firmware/Kconfig @@ -235,7 +235,7 @@ 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 depends on HAVE_ARM_SMCCC select RESET_CONTROLLER diff --git a/drivers/firmware/Makefile b/drivers/firmware/Makefile index 5e013b6a3692..523173cbff33 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 ee9cb545e73b..bb9ce3f92931 100644 --- a/drivers/firmware/qcom_scm.c +++ b/drivers/firmware/qcom_scm.c @@ -1296,6 +1296,7 @@ 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 = { @@ -1312,3 +1313,6 @@ 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 07b7c25cbed8..f61516c17589 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -253,6 +253,7 @@ config SPAPR_TCE_IOMMU config ARM_SMMU tristate "ARM Ltd. System MMU (SMMU) Support" depends on ARM64 || ARM || (COMPILE_TEST && !GENERIC_ATOMIC64) + 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 @@ -382,6 +383,7 @@ 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 diff --git a/drivers/net/wireless/ath/ath10k/Kconfig b/drivers/net/wireless/ath/ath10k/Kconfig index 40f91bc8514d..741289e385d5 100644 --- a/drivers/net/wireless/ath/ath10k/Kconfig +++ b/drivers/net/wireless/ath/ath10k/Kconfig @@ -44,6 +44,7 @@ config ATH10K_SNOC tristate "Qualcomm ath10k SNOC support" depends on ATH10K depends on ARCH_QCOM || COMPILE_TEST + depends on QCOM_SCM || !QCOM_SCM #if QCOM_SCM=m this can't be =y select QCOM_QMI_HELPERS help This module adds support for integrated WCN3990 chip connected -- 2.25.1 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 X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 62F80C07E95 for ; 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Tue, 06 Jul 2021 21:53:24 -0700 (PDT) Received: from localhost.localdomain ([2601:1c2:680:1319:692:26ff:feda:3a81]) by smtp.gmail.com with ESMTPSA id t185sm14007101pfc.1.2021.07.06.21.53.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Jul 2021 21:53:23 -0700 (PDT) From: John Stultz To: lkml Subject: [PATCH] firmware: QCOM_SCM: Allow qcom_scm driver to be loadable as a permenent module Date: Wed, 7 Jul 2021 04:53:20 +0000 Message-Id: <20210707045320.529186-1-john.stultz@linaro.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Cc: Maulik Shah , Saravana Kannan , Greg Kroah-Hartman , Catalin Marinas , iommu@lists.linux-foundation.org, linux-gpio@vger.kernel.org, Vinod Koul , Andy Gross , John Stultz , Marc Zyngier , linux-arm-msm@vger.kernel.org, Thomas Gleixner , Will Deacon , Linus Walleij , Kalle Valo , Todd Kjos X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" Allow the qcom_scm driver to be loadable as a permenent module. This still uses the "depends on QCOM_SCM || !QCOM_SCM" bit to ensure that drivers that call into the qcom_scm driver are also built as modules. While not ideal in some cases its the only safe way I can find to avoid build errors without having those drivers select QCOM_SCM and have to force it on (as QCOM_SCM=n can be valid for those drivers). Reviving this now that Saravana's fw_devlink defaults to on, which should avoid loading troubles seen before. Cc: Catalin Marinas Cc: Will Deacon Cc: Andy Gross Cc: Bjorn Andersson Cc: Joerg Roedel Cc: Thomas Gleixner Cc: Marc Zyngier Cc: Linus Walleij Cc: Vinod Koul Cc: Kalle Valo Cc: Maulik Shah 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 Acked-by: Kalle Valo Acked-by: Greg Kroah-Hartman Acked-by: Will Deacon Reviewed-by: Bjorn Andersson Signed-off-by: John Stultz --- v3: * Fix __arm_smccc_smc build issue reported by kernel test robot v4: * Add "depends on QCOM_SCM || !QCOM_SCM" bit to ath10k config that requires it. v5: * Fix QCOM_QCM typo in Kconfig, it should be QCOM_SCM --- drivers/firmware/Kconfig | 2 +- drivers/firmware/Makefile | 3 ++- drivers/firmware/qcom_scm.c | 4 ++++ drivers/iommu/Kconfig | 2 ++ drivers/net/wireless/ath/ath10k/Kconfig | 1 + 5 files changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig index db0ea2d2d75a..af53778edc7e 100644 --- a/drivers/firmware/Kconfig +++ b/drivers/firmware/Kconfig @@ -235,7 +235,7 @@ 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 depends on HAVE_ARM_SMCCC select RESET_CONTROLLER diff --git a/drivers/firmware/Makefile b/drivers/firmware/Makefile index 5e013b6a3692..523173cbff33 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 ee9cb545e73b..bb9ce3f92931 100644 --- a/drivers/firmware/qcom_scm.c +++ b/drivers/firmware/qcom_scm.c @@ -1296,6 +1296,7 @@ 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 = { @@ -1312,3 +1313,6 @@ 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 07b7c25cbed8..f61516c17589 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -253,6 +253,7 @@ config SPAPR_TCE_IOMMU config ARM_SMMU tristate "ARM Ltd. System MMU (SMMU) Support" depends on ARM64 || ARM || (COMPILE_TEST && !GENERIC_ATOMIC64) + 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 @@ -382,6 +383,7 @@ 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 diff --git a/drivers/net/wireless/ath/ath10k/Kconfig b/drivers/net/wireless/ath/ath10k/Kconfig index 40f91bc8514d..741289e385d5 100644 --- a/drivers/net/wireless/ath/ath10k/Kconfig +++ b/drivers/net/wireless/ath/ath10k/Kconfig @@ -44,6 +44,7 @@ config ATH10K_SNOC tristate "Qualcomm ath10k SNOC support" depends on ATH10K depends on ARCH_QCOM || COMPILE_TEST + depends on QCOM_SCM || !QCOM_SCM #if QCOM_SCM=m this can't be =y select QCOM_QMI_HELPERS help This module adds support for integrated WCN3990 chip connected -- 2.25.1 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu