From patchwork Wed May 26 18:00:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marek_Beh=C3=BAn?= X-Patchwork-Id: 448518 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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, 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 8AFF9C47088 for ; Wed, 26 May 2021 18:01:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 696146113D for ; Wed, 26 May 2021 18:01:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235387AbhEZSDP (ORCPT ); Wed, 26 May 2021 14:03:15 -0400 Received: from mail.kernel.org ([198.145.29.99]:58686 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235390AbhEZSDL (ORCPT ); Wed, 26 May 2021 14:03:11 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id EBBFB613D2; Wed, 26 May 2021 18:01:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1622052099; bh=qCF24aDvqymIhf4BNzt4adPmMhhIa5R/Qjb11z5q3DA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ENMDuCQAvIahtB5REBoPeNOjooyuE39J+GsdnuWQWLwktILf2ZgTE/UYDOIQt6uTL AD3p5eaxL3WMY+NBzS6Ke+CgIxXdAU27R2+QDmGYgOMXgUdVnhTFKUUQvvqVfQHNII BkGKgkbHPIuEgohyphmB5hT8kCn5apagWYOUIUWvTCFOyUtQLzX9aKx05rIWxbYo/j Y68Wx1dCguuEb0Zn3toZZkjKDQIOAk2nSnSrdAt1ZA4hWuiYfV1Uv+N8iaF7o62l2G HCzVPDJhBJB/NIDXu3Dl1ln8xmT5pCzb5LM938htFSAvq9ZPLDR0eKZPhZ4k+GXIrZ cEyNmL8laZcZA== From: =?utf-8?q?Marek_Beh=C3=BAn?= To: linux-leds@vger.kernel.org Cc: netdev@vger.kernel.org, Pavel Machek , Dan Murphy , Russell King , Andrew Lunn , Matthias Schiffer , Jacek Anaszewski , Mauro Carvalho Chehab , =?utf-8?q?Marek_Beh=C3=BAn?= Subject: [PATCH leds v1 4/5] leds: trigger: netdev: support HW offloading Date: Wed, 26 May 2021 20:00:19 +0200 Message-Id: <20210526180020.13557-5-kabel@kernel.org> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20210526180020.13557-1-kabel@kernel.org> References: <20210526180020.13557-1-kabel@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org Add support for HW offloading of the netdev trigger. We need to export the netdev_led_trigger variable so that drivers may check whether the LED is set to this trigger. Signed-off-by: Marek Behún --- drivers/leds/trigger/ledtrig-netdev.c | 6 +++++- include/linux/ledtrig.h | 2 ++ 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/leds/trigger/ledtrig-netdev.c b/drivers/leds/trigger/ledtrig-netdev.c index a611ad755036..b6d51b24c213 100644 --- a/drivers/leds/trigger/ledtrig-netdev.c +++ b/drivers/leds/trigger/ledtrig-netdev.c @@ -52,6 +52,9 @@ static void set_baseline_state(struct led_netdev_data *trigger_data) if (!led_cdev->blink_brightness) led_cdev->blink_brightness = led_cdev->max_brightness; + if (!led_trigger_offload(led_cdev)) + return; + if (!test_bit(NETDEV_LED_MODE_LINKUP, &trigger_data->mode)) led_set_brightness(led_cdev, LED_OFF); else { @@ -411,12 +414,13 @@ static void netdev_trig_deactivate(struct led_classdev *led_cdev) kfree(trigger_data); } -static struct led_trigger netdev_led_trigger = { +struct led_trigger netdev_led_trigger = { .name = "netdev", .activate = netdev_trig_activate, .deactivate = netdev_trig_deactivate, .groups = netdev_trig_groups, }; +EXPORT_SYMBOL_GPL(netdev_led_trigger); static int __init netdev_trig_init(void) { diff --git a/include/linux/ledtrig.h b/include/linux/ledtrig.h index 1cb7f03e6c16..a6a813bb154a 100644 --- a/include/linux/ledtrig.h +++ b/include/linux/ledtrig.h @@ -33,6 +33,8 @@ struct led_netdev_data { #define NETDEV_LED_MODE_LINKUP 3 }; +extern struct led_trigger netdev_led_trigger; + #endif /* IS_ENABLED(CONFIG_LEDS_TRIGGER_NETDEV) */ #endif /* __LINUX_LEDTRIG_H__ */