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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F0D85C7EE2C for ; Thu, 18 May 2023 12:12:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231482AbjERMMm (ORCPT ); Thu, 18 May 2023 08:12:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53606 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230308AbjERMMl (ORCPT ); Thu, 18 May 2023 08:12:41 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 38BEDE46; Thu, 18 May 2023 05:12:40 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id B003A64EC0; Thu, 18 May 2023 12:12:39 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 17CA4C433EF; Thu, 18 May 2023 12:12:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684411959; bh=HQbrGsVEWGpBhnO+Kgnh4OFttxZ6LnaXdPUMdYq0FQE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=TUWMgZFdbGzjVGrh45IXRwY5fY9S25C+cCktX+MQhc9z2Gdb82NKa+siLaasFrQAh EAjWyKqZygY3e//EKQxNPP/PANdDrwjP5PpU6V0ZE3VH3RyHFAnkR/OdLyL0twtgoX cvQQ3RMPjPbhd637yWeLZAKwJbjm1tGjobsvkwsAesU7sloVoZDo5AWMP2ri5eHtLD uh/wgXl3GTty6q7wLW5gAR2LINbwHYyOcVuEtqD+1cMonQNZ7z5GLhImoc49lgcPgN 6+Va9pcqeldMG43kRT5DPhxxkirg7FN+5NPrmhio0atSP11NgsUIplUieTg3MTSYi9 315kjE7Vl/d2Q== Date: Thu, 18 May 2023 13:12:32 +0100 From: Lee Jones To: Hans de Goede Cc: Pavel Machek , Jacek Anaszewski , Sebastian Reichel , Greg Kroah-Hartman , Michael Grzeschik , Johannes Berg , Pablo Neira Ayuso , Jozsef Kadlecsik , linux-leds@vger.kernel.org, linux-pm@vger.kernel.org, linux-usb@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, coreteam@netfilter.org, Yauhen Kharuzhy Subject: Re: [PATCH RESEND 1/4] leds: Change led_trigger_blink[_oneshot]() delay parameters to pass-by-value Message-ID: <20230518121232.GG404509@google.com> References: <20230510162234.291439-1-hdegoede@redhat.com> <20230510162234.291439-2-hdegoede@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20230510162234.291439-2-hdegoede@redhat.com> Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org On Wed, 10 May 2023, Hans de Goede wrote: > led_blink_set[_oneshot]()'s delay_on and delay_off function parameters > are pass by reference, so that hw-blink implementations can report > back the actual achieved delays when the values have been rounded > to something the hw supports. > > This is really only interesting for the sysfs API / the timer trigger. > Other triggers don't really care about this and none of the callers of > led_trigger_blink[_oneshot]() do anything with the returned delay values. > > Change the led_trigger_blink[_oneshot]() delay parameters to pass-by-value, > there are 2 reasons for this: > > 1. led_cdev->blink_set() may sleep, while led_trigger_blink() may not. > So on hw where led_cdev->blink_set() sleeps the call needs to be deferred > to a workqueue, in which case the actual achieved delays are unknown > (this is a preparation patch for the deferring). > > 2. Since the callers don't care about the actual achieved delays, allowing > callers to directly pass a value leads to simpler code for most callers. > > Reviewed-by: Jacek Anaszewski > Tested-by: Yauhen Kharuzhy > Signed-off-by: Hans de Goede > --- > drivers/leds/led-triggers.c | 16 ++++++++-------- > drivers/leds/trigger/ledtrig-disk.c | 9 +++------ > drivers/leds/trigger/ledtrig-mtd.c | 8 ++------ > drivers/net/arcnet/arcnet.c | 8 ++------ > drivers/power/supply/power_supply_leds.c | 5 +---- > drivers/usb/common/led.c | 4 +--- > include/linux/leds.h | 16 ++++++++-------- > net/mac80211/led.c | 2 +- > net/mac80211/led.h | 8 ++------ > net/netfilter/xt_LED.c | 3 +-- > 10 files changed, 29 insertions(+), 50 deletions(-) Applied, thanks -- Lee Jones [李琼斯]