From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=180.181.231.80 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794477926; b=JWgPYTgTb5aA1J55CDZ2PfWB1n9v++32MC48sdYH+WQEpwACM5E+1GCeMNnbzNTb6pvg 04u18clHZ97i75i2ObL9ypZEIHO3M6+xwj+tDka77azpg8Vl9zpKqZpEYsGMTv6LWkiS1 fIwnF8qC8RwY1OkE+qupgJKQNQY21aQGYN/xqIloVlsO/mMX8EqXEsFbcbb7ABswOvaSJ GXDcJeMY95JqXkZWvB/4tHN0sWhYMr5jf4Bx7e2Rgfo08JR7fLJBArkazvJYS5CkRUvzw 9R4H8NdSXBdT45AI2nnJ7+hJ676m90sD25l1wjmaiTRMuafEcFbIKQWfAx93N47sE8w== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794477926; h=DMARC-Filter:DKIM-Signature:Received:Received:Date:From:To:Cc: Subject:Message-ID:References:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; bh=Ghmp6AutYLYldBifLkalyI9ACbjFKHJIiuKIAmtfZNQ=; b=hAT16ASMhKxRu9XZMMPl3BcZP0adhYAEDdrOHrMC6RNvBlujA1zOH8K3YwAbWap0oKCo hdGIcCsvJ9nAkfTjJ25qqnxyxXzdyeFWnZ7NkCSN/Wb4rJkTilQvDgI6BrEuHfGa9vXKg 7T+9jseWKdhUju3JAEu9d5WnpNftcJMttCaf7dGt6cb7bdHrfp0iMj9oYrWc6mzr0vZ0P LaJV04f/45Pbv0loHg5gtlPI5mRGszuCSf5OZzbLszZjd3UEEY9W3ny9CYkCoL75zVYrm GfHsAMeGlzygEIheWgGEXpm/mtf4MnXVJuU4Nil50UNle1imh8NJPiVKrMPBqJCjm8Q== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=gondor.apana.org.au; spf=pass smtp.mailfrom=gondor.apana.org.au; dkim=pass header.d=gondor.apana.org.au header.i=@gondor.apana.org.au header.a=rsa-sha256 header.s=h01 header.b=TOR46HFS; arc=none smtp.remote-ip=180.181.231.80 Received: from abb.hmeau.com (abb.hmeau.com [180.181.231.80]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7FD22606A32A; Thu, 12 Nov 2026 10:05:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 7FD22606A32A Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gondor.apana.org.au Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gondor.apana.org.au Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=gondor.apana.org.au header.i=@gondor.apana.org.au header.a=rsa-sha256 header.s=h01 header.b=TOR46HFS DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gondor.apana.org.au; s=h01; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:cc:to:subject:message-id:date: from:content-type:reply-to; bh=Ghmp6AutYLYldBifLkalyI9ACbjFKHJIiuKIAmtfZNQ=; b=TOR46HFSrpgQJDCvxSt9ySHTidPkV/0yfR2ECn+XHS8BHRg3elzg6yPWFBF9IHW9kjvxVvAznrU Qq01p7VCdW5EklQEdWHvEyp1lwDI2NedJT/mtNMv6A1sPsWGdoLWIUaE9dcyrbKELEqv9X1YTcSCs 50sOSIAkau02qKTRN5hM9MKG9ugb2e89IwVuypmCBLflhAiu3d6qPozr8k7bEWXgUc29oGStsgSvi 8FHQHCGxIfgfJS/Y91x8kgswmOtiArSBv/fOKh3buJNHfNmZ+ie13/WN+yqYPWkzJyGOg8N1gMLJf BFgSGk+X4lWf3J/LzI+1IbATGCd4FOlx8ILg==; Received: from loth.rohan.me.apana.org.au ([192.168.167.2]) by formenos.hmeau.com with smtp (Exim 4.98.2 #2 (Debian)) id 1xRRgI-0000000EE0u-1p6I; Thu, 12 Nov 2026 18:05:23 +0800 Received: by loth.rohan.me.apana.org.au (sSMTP sendmail emulation); Thu, 12 Nov 2026 18:05:22 +0800 Date: Thu, 12 Nov 2026 18:05:22 +0800 From: Herbert Xu To: Fabio Estevam Cc: horia.geanta@nxp.com, pankaj.gupta@nxp.com, sahil.malhotra@nxp.com, gaurav.jain@nxp.com, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, Fabio Estevam , stable@vger.kernel.org Subject: Re: [PATCH] crypto: caam: jr: Use dedicated shutdown callback Message-ID: References: <20261028132825.657546-1-festevam@gmail.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261028132825.657546-1-festevam@gmail.com> On Wed, Oct 28, 2026 at 10:28:25AM -0300, Fabio Estevam wrote: > From: Fabio Estevam > > The CAAM job ring platform driver uses caam_jr_remove() as its > shutdown callback. > > The remove path refuses to shut down a job ring while crypto > consumers still hold references to it. This is necessary during > driver unbinding, but causes the following warning on reboot: > > caam_jr 30903000.jr: Device is busy; consumers might start to crash > > Unlike driver removal, system shutdown does not require > unregistering crypto algorithms or releasing driver resources. > > Introduce a dedicated platform shutdown callback that shuts down > the hardware job ring without checking consumer references. > > Keep the reference checks and algorithm unregistration in the > remove path. > > Tested on a i.MX8MP custom-board. > > Cc: stable@vger.kernel.org > Fixes: c007e720989e ("crypto: caam/jr - add .shutdown hook") > Signed-off-by: Fabio Estevam > --- > drivers/crypto/caam/jr.c | 11 ++++++++++- > 1 file changed, 10 insertions(+), 1 deletion(-) Patch applied. Thanks. -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt