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=-16.8 required=3.0 tests=BAYES_00, 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 744BBC4338F for ; Tue, 3 Aug 2021 13:11:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5CEC260F01 for ; Tue, 3 Aug 2021 13:11:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236199AbhHCNLx (ORCPT ); Tue, 3 Aug 2021 09:11:53 -0400 Received: from foss.arm.com ([217.140.110.172]:49714 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236289AbhHCNLl (ORCPT ); Tue, 3 Aug 2021 09:11:41 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id A720611FB; Tue, 3 Aug 2021 06:11:30 -0700 (PDT) Received: from e120937-lin.home (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 6706C3F70D; Tue, 3 Aug 2021 06:11:27 -0700 (PDT) From: Cristian Marussi To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, virtualization@lists.linux-foundation.org, virtio-dev@lists.oasis-open.org Cc: sudeep.holla@arm.com, james.quinlan@broadcom.com, Jonathan.Cameron@Huawei.com, f.fainelli@gmail.com, etienne.carriere@linaro.org, vincent.guittot@linaro.org, souvik.chakravarty@arm.com, cristian.marussi@arm.com, igor.skalkin@opensynergy.com, peter.hilber@opensynergy.com, alex.bennee@linaro.org, jean-philippe@linaro.org, mikhail.golubev@opensynergy.com, anton.yakovlev@opensynergy.com, Vasyl.Vavrychuk@opensynergy.com, Andriy.Tryshnivskyy@opensynergy.com Subject: [PATCH v7 09/15] firmware: arm_scmi: Make shmem support optional for transports Date: Tue, 3 Aug 2021 14:10:18 +0100 Message-Id: <20210803131024.40280-10-cristian.marussi@arm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210803131024.40280-1-cristian.marussi@arm.com> References: <20210803131024.40280-1-cristian.marussi@arm.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Igor Skalkin Upcoming new SCMI transports won't need any kind of shared memory support. Compile shmem.c only if a shmem based transport is selected. Signed-off-by: Igor Skalkin [ Peter: Adapted patch for submission to upstream. ] Co-developed-by: Peter Hilber Signed-off-by: Peter Hilber [ Cristian: Adapted patch/commit_msg to new SCMI Kconfig layout ] Signed-off-by: Cristian Marussi --- v4 --> v5 - Adapted to new SCMI Kconfig layout --- drivers/firmware/arm_scmi/Kconfig | 8 ++++++++ drivers/firmware/arm_scmi/Makefile | 2 +- 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/firmware/arm_scmi/Kconfig b/drivers/firmware/arm_scmi/Kconfig index a6fcd06b2232..cd84e5f2ee02 100644 --- a/drivers/firmware/arm_scmi/Kconfig +++ b/drivers/firmware/arm_scmi/Kconfig @@ -30,10 +30,17 @@ config ARM_SCMI_HAVE_TRANSPORT Used to trigger a build bug when trying to build SCMI without any configured transport. +config ARM_SCMI_HAVE_SHMEM + bool + help + This declares whether a shared memory based transport for SCMI is + available. + config ARM_SCMI_TRANSPORT_MAILBOX bool "SCMI transport based on Mailbox" depends on MAILBOX select ARM_SCMI_HAVE_TRANSPORT + select ARM_SCMI_HAVE_SHMEM default y help Enable mailbox based transport for SCMI. @@ -45,6 +52,7 @@ config ARM_SCMI_TRANSPORT_SMC bool "SCMI transport based on SMC" depends on HAVE_ARM_SMCCC_DISCOVERY select ARM_SCMI_HAVE_TRANSPORT + select ARM_SCMI_HAVE_SHMEM default y help Enable SMC based transport for SCMI. diff --git a/drivers/firmware/arm_scmi/Makefile b/drivers/firmware/arm_scmi/Makefile index 38163d6991b3..e0e6bd3dba9e 100644 --- a/drivers/firmware/arm_scmi/Makefile +++ b/drivers/firmware/arm_scmi/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only scmi-bus-y = bus.o scmi-driver-y = driver.o notify.o -scmi-transport-y = shmem.o +scmi-transport-$(CONFIG_ARM_SCMI_HAVE_SHMEM) = shmem.o scmi-transport-$(CONFIG_ARM_SCMI_TRANSPORT_MAILBOX) += mailbox.o scmi-transport-$(CONFIG_ARM_SCMI_TRANSPORT_SMC) += smc.o scmi-protocols-y = base.o clock.o perf.o power.o reset.o sensors.o system.o voltage.o -- 2.17.1