From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-lj1-f174.google.com (mail-lj1-f174.google.com [209.85.208.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 161024414 for ; Tue, 12 Jul 2022 16:21:11 +0000 (UTC) Received: by mail-lj1-f174.google.com with SMTP id a39so10456864ljq.11 for ; Tue, 12 Jul 2022 09:21:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=e+eczaOZHX4TeLEoVuGZvZlc3YvFcSUgKh0OSE0sknQ=; b=lhhk7gHDxF++IOnhQqIAX8/FBtvR6oMIoA0r5phxQR/M5KWtbVwj2k4EydEVtu/pIo 4w9XiIHP2kJ7Y1eHZzAg0f2k89RXidZkf9B65KcvuI/kIPD9t7L+DnaCt8J3qlvWxGmn 2qGYQNUUFSJUuXXCuU1xPAFs3gz+4JQgHwdPAA06qjYa75mq4n0ZurQNoxUfbPQoPR2h Vvl4uRdviZwYFMFsnwRtgRNP7CjW+XWWwnlhW8BWddEcI+LIkrs8ZlrE5ruTZps3US15 u67OhpdDCmO7BrpVt7+ZICSqDCN3OcoqT8ApozWGNmd4iY12CJMhYRI1SMbUi2bahh/m qfQA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=e+eczaOZHX4TeLEoVuGZvZlc3YvFcSUgKh0OSE0sknQ=; b=bypwjDZYMKUnIU+uF4gpXbuf8W4tnkLvBv/WHxbjn+87t+uIMuwe3nZZk1nq/0gMGW bfZ0uZ40AynaxyURdyVYdc50mpln8F2zlV0Ss+K3wKNWZ1cYj/cTqh+rVeh32jmhkWlB Uqt5dqlw6ZuJ+U6S2m1db4wY0wi2lCt8cSo17o1ZDrH96vfUWwo1shwnz0knjAz3xbdl A2ajvUMOxQporcUxX3fpvbsHTxB65tUcsO+EDNNyIgXhTnKjcZOx2iYAo9bz1FRTT3mT In/c3Fovy2L5xwEYOxUq4mX/W2Fuza+FhmW9idYVpp1hRQ4jW+TQmsRWMRjX6FYh2eOq EReg== X-Gm-Message-State: AJIora/eq9FqMhgYQOfUx6jbb4RiuydYLE1LBdjvvhibY3e79Ng+j9o0 OmuITLeiOxeoJmeP//CMMyex7w== X-Google-Smtp-Source: AGRyM1uy5fRThCPAxo7NecWcdrhI0zdxdkzkxnBuoPdolEFSHJ0KXlb0BgjGw3e9yXOCH9xpzIrJ2A== X-Received: by 2002:a05:651c:1a0e:b0:25b:baac:f415 with SMTP id by14-20020a05651c1a0e00b0025bbaacf415mr13791659ljb.480.1657642870175; Tue, 12 Jul 2022 09:21:10 -0700 (PDT) Received: from [10.0.0.8] (fwa5da9-171.bb.online.no. [88.93.169.171]) by smtp.gmail.com with ESMTPSA id s19-20020a056512215300b004855224ead0sm2262352lfr.158.2022.07.12.09.21.08 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 12 Jul 2022 09:21:09 -0700 (PDT) Message-ID: <8fccb0fd-a7ea-dc2c-5604-eef3c93f0397@linaro.org> Date: Tue, 12 Jul 2022 18:21:06 +0200 Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: Re: [PATCH v2 3/7] iommu/exynos: Set correct dma mask for SysMMU v5+ Content-Language: en-US To: Sam Protsenko , Marek Szyprowski Cc: Joerg Roedel , Will Deacon , Robin Murphy , Janghyuck Kim , Cho KyongHo , Daniel Mentz , David Virag , Sumit Semwal , iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org References: <20220710230603.13526-1-semen.protsenko@linaro.org> <20220710230603.13526-4-semen.protsenko@linaro.org> From: Krzysztof Kozlowski In-Reply-To: <20220710230603.13526-4-semen.protsenko@linaro.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 11/07/2022 01:05, Sam Protsenko wrote: > SysMMU v5+ supports 36 bit physical address space. Set corresponding DMA > mask to avoid falling back to SWTLBIO usage in dma_map_single() because > of failed dma_capable() check. > > The original code for this fix was suggested by Marek. > > Signed-off-by: Sam Protsenko > Co-developed-by: Marek Szyprowski > Signed-off-by: Marek Szyprowski Acked-by: Krzysztof Kozlowski Best regards, Krzysztof