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 858564CCDC5; Thu, 3 Sep 2026 22:46:27 +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=1788475588; cv=none; b=p8t2+8zgO6BR88m8JVNM0Y7N+yjWYX2P6XB4K7UzBtjL3WCo7WyJdp7niZO4Az/JMctAcqNr8l6e6A5vnK2VkwrUKfriAJgDUpCPp4irklN37s7M0I7ZKJGTOETEkviSu3YfWZJHcRnZit/faysDt1rk70Uz16spJBlerlpSTSw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788475588; c=relaxed/simple; bh=Osfa2/i2MjNGwKk3eYRFLu4ZDphgQqJ8O+y42+KT3+c=; h=Message-ID:Date:MIME-Version:To:Cc:References:From:In-Reply-To: Content-Type:Subject; b=B1LlqX22JPODKJHYDnn/TLNIp1lSqjGhQujNMHuKIli7XJkEL9X8K4WAmy+TP2R6s5qTojWjsmPtdEdwk9m2Oh2+cPAJbA9ZddWGRxI09Nxlto4Jd0T2HCJo3M8oQZ5tq6cwuW6tx0cVIAx1H6lLEITSF7lxQnP6Sfyb75nxU/k= 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=YXLVP72D; 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="YXLVP72D" 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=8RlMKyJi6ukLs57B3U2ORMf5T8tXXpsPJj5dExTE+1A=; b=YXLVP72DWhE/ep/ORzzd77MYec tOvQgYdMORuBhaRvSftflKp7p5A0OXrgy3ynEYjByK2C7cbaBmmae8U2kowmr4aMyVPT7O/U05u2R Ra218/6/gBFN+2tCghrTppWLf0vi/z5w7Je4jt90E2ewHoms616/CcxzQfxvcMvnAMWoZRD3HYOpb +KJM1PlCWqojaYYVEZK3URXUmd3yK0vwVSG3e0JDN2YEYnygeZWotjjLjpHVk7BRIlaGtM4rK/I4A IDuoOKKOn/m6XKkqEX5IF0C/L6YGgrEgSmytmniXT9yBsH23ZLI7f+fsmbsnOLQOJUZ9XuubeaptH 6Cyvgaww==; Received: from [104.157.31.28] (helo=[192.168.1.251]) by ale.deltatee.com with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.98.2) (envelope-from ) id 1x2FVp-00000001i7U-15KW; Thu, 03 Sep 2026 16:02:26 -0600 Message-ID: <0ceac9d0-ed20-4387-bb82-472720d6b91a@deltatee.com> Date: Thu, 3 Sep 2026 16:00:45 -0600 Precedence: bulk X-Mailing-List: dmaengine@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Ruizhe Zhou , Vinod Koul , Basavaraj Natikar , Orson Zhai , Baolin Wang Cc: Frank Li , Chunyan Zhang , dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260903115441.912500-1-zhouruizhe@resnics.com> <20260903115441.912500-3-zhouruizhe@resnics.com> Content-Language: en-CA From: Logan Gunthorpe In-Reply-To: <20260903115441.912500-3-zhouruizhe@resnics.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-SA-Exim-Connect-IP: 104.157.31.28 X-SA-Exim-Rcpt-To: zhouruizhe@resnics.com, vkoul@kernel.org, Basavaraj.Natikar@amd.com, orsonzhai@gmail.com, baolin.wang@linux.alibaba.com, Frank.Li@kernel.org, zhang.lyra@gmail.com, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org X-SA-Exim-Mail-From: logang@deltatee.com X-Spam-Level: Subject: Re: [PATCH 2/3] dmaengine: plx_dma: Remove obsolete 32-bit DMA mask fallback 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 2026-09-03 5:54 a.m., Ruizhe Zhou wrote: > The DMA API guarantees support for masks of 32 bits or wider and > explicitly identifies retrying a 32-bit mask after a wider request as > incorrect: > https://docs.kernel.org/core-api/dma-api-howto.html#dma-addressing-capabilities > > Remove the obsolete fallback while retaining the error check so that a > genuine DMA setup failure is still propagated and aborts initialization. > > Signed-off-by: Ruizhe Zhou Makes sense to me, thanks. Reviewed-by: Logan Gunthorpe