From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C0B0817E; Fri, 14 Feb 2025 06:36:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739515012; cv=none; b=q4iHmiYN8uhZHNwFFlYbzjAkciinwdASnHijDeu13yuhsqbtvuOP85INzjnN7FWg+3h2QBhqve2vyYE6gGGO3n2gsI2MMEnXTNEPPx+I+KppN4bJdAwqC/Qayf8Bxs7s4nY9EPGIkoQa11KvtCe6nqp9BR5FQGAESCuiRNBg34Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739515012; c=relaxed/simple; bh=L4J8LFwop0QLpIHC9H15nA1SToDohIpHtDHezJWRFNE=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Lb9g+bRJA0+BxOnh33ozJAML6Nfvc94gg3dvskzUGSVDqGc7UglkOLGRykPMPdkkbnwujojBL/oPO3flDTpbmthswJU/NK3RtZfRFTJtGCd+sXI5/olHaVSd3a5jw75LToeKDqJLxBr5kYk3IKPQWilfs0gHRV1X6kBWBtMIGdE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SK4r6WDf; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="SK4r6WDf" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 002BEC4CED1; Fri, 14 Feb 2025 06:36:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1739515012; bh=L4J8LFwop0QLpIHC9H15nA1SToDohIpHtDHezJWRFNE=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=SK4r6WDf3RGRJENQ0qi4RtuzIc1w9Eg869eREJ5U87IHHY1GJUUaV43fkEM9koun2 2OSWW24UrBllR2JEGv56BHxuqiDuiN82PrImoiZx6D3PhbeHeoeVJ7hkKYp8g872Js YYp49AOPZZFoN89LN3tOHlH8U0tIQp3RpXbG18pkkR0tX+I179bcPA37z99EwM22r7 rjCVvM4HK2psCz800ympBjsnGrkOEl6VwqXB6rxetQTBTLkdG8G/py+TdTDeMKe5JR zj/w5xkTz2+ZFRsNq42sma/M3hi6vUaz+rzQgS30qZ7inovPkCoIs5an8WgGpIv84b F87yw3GANDGkQ== Message-ID: Date: Fri, 14 Feb 2025 07:36:49 +0100 Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3] HID: corsair-void: Update power supply values with a unified work handler To: Stuart Hayhurst , linux-input@vger.kernel.org Cc: Jiri Kosina , Benjamin Tissoires , linux-kernel@vger.kernel.org, stable@vger.kernel.org References: <20250213133854.100866-3-stuart.a.hayhurst@gmail.com> Content-Language: en-US From: Jiri Slaby Autocrypt: addr=jirislaby@kernel.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 13. 02. 25, 14:38, Stuart Hayhurst wrote: > corsair_void_process_receiver can be called from an interrupt context, > locking battery_mutex in it was causing a kernel panic. > Fix it by moving the critical section into its own work, sharing this > work with battery_add_work and battery_remove_work to remove the need > for any locking > > Closes: https://bugzilla.suse.com/show_bug.cgi?id=1236843 > Fixes: 6ea2a6fd3872 ("HID: corsair-void: Add Corsair Void headset family driver") > Cc: stable@vger.kernel.org > Signed-off-by: Stuart Hayhurst > --- > > v2 -> v3: > - Use an enum instead of a define for battery flag values > - Use an integer instead of BIT() for the bit index > - Drop unhelpful comments > - Simplify corsair_void_battery_work_handler logic > - Remove extra newline in commit message > v1 -> v2: > - Actually remove the mutex > > --- > drivers/hid/hid-corsair-void.c | 83 ++++++++++++++++++---------------- > 1 file changed, 43 insertions(+), 40 deletions(-) > > diff --git a/drivers/hid/hid-corsair-void.c b/drivers/hid/hid-corsair-void.c > index 56e858066c3c..afbd67aa9719 100644 > --- a/drivers/hid/hid-corsair-void.c > +++ b/drivers/hid/hid-corsair-void.c > @@ -71,11 +71,9 @@ > > #include > #include > -#include > #include > #include > #include > -#include > #include > #include > #include > @@ -120,6 +118,12 @@ enum { > CORSAIR_VOID_BATTERY_CHARGING = 5, > }; > > +enum { > + CORSAIR_VOID_ADD_BATTERY = 0, > + CORSAIR_VOID_REMOVE_BATTERY = 1, > + CORSAIR_VOID_UPDATE_BATTERY = 2, BTW numbering these explicitly is superfluous. -- js suse labs