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 56DBB24A074; Wed, 5 Nov 2025 08:08:27 +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=1762330107; cv=none; b=bXmZxy6FVEnDrGmmvNIRvxhLnLdkpDMV3YU+sHfeFXRvLlq+U0Z22taCnWSDFBsmfNrLvgPurICWzZMOp6c0sszPsZTzvyFtpJy5dGvhyK2koqoNotgaWCAFaqm17cDbfFTiBUAQEqNWCer63ohpWAGibdIFQklrNPkTR/5ghog= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762330107; c=relaxed/simple; bh=L5zrmAxPeveYGnuIp1/AiWAZ8zt9K0PY9Rlag7HPinE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=pcR6tVPnUBKVoGajq5yVZCRJwr4Hl1Ac0w5XU1U8ngqLB6KVzTOmTUB7Y74OXMy567iXZEM5vuKJXb9qOHCPtwxgOJkdDbQFUrQ4cKSVjCuGkX3X14GfWA/+LCE4dEyuR2mN2rCAk4HHKGxK3EO3JTEeMq7Z3kwqCj+gh6/3HiU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CGWDOmX0; 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="CGWDOmX0" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E0B4FC4CEF8; Wed, 5 Nov 2025 08:08:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762330106; bh=L5zrmAxPeveYGnuIp1/AiWAZ8zt9K0PY9Rlag7HPinE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=CGWDOmX0CakgQs4HV/4xN47w2KF99fYDsBwTWKHaGn+LplXtdBi3EqGmZwcdvldV2 4tvwevzX2f23FxvOcas4hgbddIAJOM4UpuhmXXD0iOoYGDgtsxo04ab9d9scxldiyj iXFkplVgJMi+cF9sTXT8+HXxa+oUsKQLqFkq3e1sH3gOda9Dl/vuo6qlT1n6wAZ2pq FbACXxroSSl84dgbE3b1CeHTXYf+ChBSGOxePLLkiBJfmDlunQlh2R0xwH5/CzPA+g LOxsMeZaEVZ9RBsvdBiIPRpvFkLKYZILVzYH3KVZfw91Th92bKnplLiNOP9TRHcE5o fxUvs2o9dksnw== Received: from johan by xi.lan with local (Exim 4.98.2) (envelope-from ) id 1vGYZA-000000004uV-2SAC; Wed, 05 Nov 2025 09:08:28 +0100 Date: Wed, 5 Nov 2025 09:08:28 +0100 From: Johan Hovold To: Russell King , Thierry Reding , Jonathan Hunter Cc: linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH] amba: tegra-ahb: fix device leak on smmu enable Message-ID: References: <20250925150007.24173-1-johan@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250925150007.24173-1-johan@kernel.org> On Thu, Sep 25, 2025 at 05:00:07PM +0200, Johan Hovold wrote: > Make sure to drop the reference taken to the ahb platform device when > looking up its driver data while enabling the smmu. > > Note that holding a reference to a device does not prevent its driver > data from going away. > > Fixes: 89c788bab1f0 ("ARM: tegra: Add SMMU enabler in AHB") > Cc: stable@vger.kernel.org # 3.5 > Signed-off-by: Johan Hovold > --- Can this one be picked up for 6.19? Johan