From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from ale.deltatee.com (ale.deltatee.com [204.191.154.188]) (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 6738847988D; Tue, 18 Aug 2026 15:44:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=204.191.154.188 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787067872; cv=none; b=qXlvxIDaBo5sru1/rmEV6kSWIOBmwMwsG6fRSu2Xy3GVHJb8Kzj4vNmAYHvrWstZH0es8246fRtGBeLB7goXej0OwhWkKPnVdHppfbc9Q/zX6fdz3j/K1TyBxf2kDSKRQNZNNW7Dy5n13j+JdBhVbw2JLnqlRv7GmCV4YvLbDew= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787067872; c=relaxed/simple; bh=j6a/TKo4wzYXeE/XNpP/Oj/MaS7md7ltgCNAvg9SZrM=; h=Message-ID:Date:MIME-Version:To:Cc:References:From:In-Reply-To: Content-Type:Subject; b=PrCgpyh8AyUHlAGof6n3Ayi+Xv37nu4UdRdNI5aTxSY6azwJ5kL05j+Wp0x+UHLmulJY3P7OLPqCfJjBnQPmslgI4NqY+Y3Jq/slC9ztvSro+nSIUsuY37nu8USdiHCQ6SSZXGLrid1VcRvEg8Xk+52dEQ99ORKK/3HRz+vjAZw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=deltatee.com; spf=pass smtp.mailfrom=deltatee.com; dkim=pass (2048-bit key) header.d=deltatee.com header.i=@deltatee.com header.b=NH9954Hp; arc=none smtp.client-ip=204.191.154.188 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=deltatee.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=deltatee.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=deltatee.com header.i=@deltatee.com header.b="NH9954Hp" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=deltatee.com; s=20200525; h=Subject:In-Reply-To:From:References:Cc:To: MIME-Version:Date:Message-ID:content-disposition; bh=KsD2i9Ar8nxuH1dWYfEoPuU/VRqu8QuRIlcqAWHF43c=; b=NH9954HpkDIFFwD8pXXtVMgye6 AmmV53d1rMy4anmDuFkEUOxTUG9ROjBXQqS8dCzqm9L+rgNYe38rjKwrmmsOSEkhXmxqeE90cBpSH +fe6TbmiMBCkcOu+9zBBrdpbwmkNw0IfvlHt12g8fnN0YtF6k9mIVGu3EUj9wkTpmfPzud0EAwu+1 ok+ul8IXJ2ObQK64LImKJy1eCiD3vWQdFfSrnU3r9F39yziKYE9ebQp+h/9SrYhGFdjK0AO5m2ZqQ AbfRzYfeKVVv3JI/XW3LXVh0SpCsY0lnCT+DSSKAzuDKoDPD+DfUsT47s2wiO12A+sSn2esUZ3j75 DJCX7a1w==; Received: from guinness.priv.deltatee.com ([172.16.1.162]) by ale.deltatee.com with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.98.2) (envelope-from ) id 1wwLzH-00000000pSu-456J; Tue, 18 Aug 2026 09:44:28 -0600 Message-ID: <8b8979bc-a56b-4a3d-a7ec-5b32d225eda9@deltatee.com> Date: Tue, 18 Aug 2026 09:44:26 -0600 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Shivank Garg , Vinod Koul , Frank Li , Andrew Morton Cc: stable@vger.kernel.org, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, Frank Li References: <20260818-dmaengine-kref-fix-v4-0-c6ef991462a0@amd.com> <20260818-dmaengine-kref-fix-v4-1-c6ef991462a0@amd.com> Content-Language: en-CA From: Logan Gunthorpe In-Reply-To: <20260818-dmaengine-kref-fix-v4-1-c6ef991462a0@amd.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-SA-Exim-Connect-IP: 172.16.1.162 X-SA-Exim-Rcpt-To: shivankg@amd.com, vkoul@kernel.org, Frank.Li@kernel.org, akpm@linux-foundation.org, stable@vger.kernel.org, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, Frank.Li@nxp.com X-SA-Exim-Mail-From: logang@deltatee.com X-Spam-Level: Subject: Re: [PATCH v4 1/4] dmaengine: add dma_device_get() helper X-SA-Exim-Version: 4.2.1 (built Sun, 23 Feb 2025 07:57:16 +0000) X-SA-Exim-Scanned: Yes (on ale.deltatee.com) On 2026-08-17 21:43, Shivank Garg wrote: > Add dma_device_get() helper to match dma_device_put() to make code > symmetric. It wraps open-coded kref_get_unless_zero() and asserts that > dma_list_mutex is held, matching its put counterpart. > > No functional change intended. > > Suggested-by: Frank Li > Signed-off-by: Shivank Garg Makes sense to me: Reviewed-by: Logan Gunthorpe