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[85.115.199.111]) by smtp.gmail.com with ESMTPSA id q11-20020a056402518b00b004307c8e1c3fsm11696111edd.34.2022.06.20.14.41.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Jun 2022 14:41:04 -0700 (PDT) From: Angelo Compagnucci To: buildroot@buildroot.org Date: Mon, 20 Jun 2022 23:40:58 +0200 Message-Id: <20220620214058.1435436-5-angelo@amarulasolutions.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220620214058.1435436-1-angelo@amarulasolutions.com> References: <20220620214058.1435436-1-angelo@amarulasolutions.com> MIME-Version: 1.0 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=8BVeG0ueQIXE7Zr4UEp8B6x5rCjjLXx/M6UNyLMD1Ws=; b=c/YJXNkKsss6TDVlD+MoBNpB84UIQu63aBeHIN3rZoCDT7GAuvJzNk0f6Kiq+iY3Vv Ev8SkcqG29PvpX4/hQdFlTBOq0c9uQkzkQZgvM1CLQrWyV1E+a/hXcw17xxBz53QgaAI d/DQhJ+V6JXEWH+ou6QkiQ9aCz+wHSU6Q2YMA= X-Mailman-Original-Authentication-Results: smtp2.osuosl.org; dkim=pass (1024-bit key) header.d=amarulasolutions.com header.i=@amarulasolutions.com header.a=rsa-sha256 header.s=google header.b=c/YJXNkK Subject: [Buildroot] [PATCH 4/4] package/busybox: add service to load kernel modules at boot X-BeenThere: buildroot@buildroot.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion and development of buildroot List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Angelo Compagnucci Errors-To: buildroot-bounces@buildroot.org Sender: "buildroot" In cases where no hotplug is available (by choice or by the lack of a proper hotplug method for a device), this service can be used to load kernel module drivers by reading the /etc/modules file. Signed-off-by: Angelo Compagnucci --- package/busybox/S02modules | 56 ++++++++++++++++++++++++++++++++++++++ package/busybox/busybox.mk | 2 ++ 2 files changed, 58 insertions(+) create mode 100644 package/busybox/S02modules diff --git a/package/busybox/S02modules b/package/busybox/S02modules new file mode 100644 index 0000000000..f25712e1ca --- /dev/null +++ b/package/busybox/S02modules @@ -0,0 +1,56 @@ +#!/bin/sh + +MODULES="modules" + +load_unload() { + [ ! -f /etc/${MODULES} ] && echo ' OK' && exit 0 + + while read module args; do + + case "$module" in + ""|"#"*) continue ;; + esac + + if [ "$1" = "load" ]; then + modprobe -q ${module} ${args} >/dev/null && \ + printf ' %s success,' "$module" || + printf ' %s failed,' "$module" + else + rmmod ${module} >/dev/null + fi + + done < /etc/${MODULES} +} + +start() { + printf 'Starting %s:' "$MODULES" + + load_unload load + + echo ' OK' +} + +stop() { + printf 'Stopping %s: ' "$MODULES" + + load_unload unload + + echo 'OK' +} + +restart() { + stop + sleep 1 + start +} + +case "$1" in + start|stop|restart) + "$1";; + reload) + # Restart, since there is no true "reload" feature. + restart;; + *) + echo "Usage: $0 {start|stop|restart|reload}" + exit 1 +esac diff --git a/package/busybox/busybox.mk b/package/busybox/busybox.mk index 3e49de0a84..40490e866a 100644 --- a/package/busybox/busybox.mk +++ b/package/busybox/busybox.mk @@ -382,6 +382,8 @@ define BUSYBOX_INSTALL_TARGET_CMDS $(BUSYBOX_INSTALL_UDHCPC_SCRIPT) $(BUSYBOX_INSTALL_ZCIP_SCRIPT) $(BUSYBOX_INSTALL_MDEV_CONF) + $(INSTALL) -m 0755 -D package/busybox/S02modules \ + $(TARGET_DIR)/etc/init.d/S02modules; endef # Install the sysvinit scripts, for the moment, but not those that already