From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jean-Philippe Brucker Subject: Re: [PATCH 11/37] dt-bindings: document stall and PASID properties for IOMMU masters Date: Tue, 20 Feb 2018 11:28:16 +0000 Message-ID: <82037ff9-c786-8769-81fc-300e48ee4156@arm.com> References: <20180212183352.22730-1-jean-philippe.brucker@arm.com> <20180212183352.22730-12-jean-philippe.brucker@arm.com> <20180219025107.v3f3eapukupm7g5j@rob-hp-laptop> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20180219025107.v3f3eapukupm7g5j@rob-hp-laptop> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Rob Herring Cc: Mark Rutland , "ilias.apalodimas-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org" , "kvm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "xuzaibo-hv44wF8Li93QT0dZR+AlfA@public.gmane.org" , Will Deacon , "okaya-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org" , "ashok.raj-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org" , "bharatku-gjFFaj9aHVfQT0dZR+AlfA@public.gmane.org" , "linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Catalin Marinas , "rfranz-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org" , "lenb-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org" , "devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "bhelgaas-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org" , "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" , "dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org" , "rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org" , iommu@lists. List-Id: linux-acpi@vger.kernel.org On 19/02/18 02:51, Rob Herring wrote: [...] >> +- pasid-bits: Some masters support multiple address spaces for DMA, by >> + tagging DMA transactions with an address space identifier. By default, >> + this is 0, which means that the device only has one address space. > > So 3 would mean 8 address spaces? Yes > Maybe pasid-num-bits would be a bit clearer. Either way, Indeed, I'll change it > Reviewed-by: Rob Herring Thanks! Jean From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Return-Path: Subject: Re: [PATCH 11/37] dt-bindings: document stall and PASID properties for IOMMU masters To: Rob Herring References: <20180212183352.22730-1-jean-philippe.brucker@arm.com> <20180212183352.22730-12-jean-philippe.brucker@arm.com> <20180219025107.v3f3eapukupm7g5j@rob-hp-laptop> From: Jean-Philippe Brucker Message-ID: <82037ff9-c786-8769-81fc-300e48ee4156@arm.com> Date: Tue, 20 Feb 2018 11:28:16 +0000 MIME-Version: 1.0 In-Reply-To: <20180219025107.v3f3eapukupm7g5j@rob-hp-laptop> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , "xieyisheng1@huawei.com" , "ilias.apalodimas@linaro.org" , "kvm@vger.kernel.org" , "linux-pci@vger.kernel.org" , "xuzaibo@huawei.com" , "jonathan.cameron@huawei.com" , Will Deacon , "okaya@codeaurora.org" , Lorenzo Pieralisi , "ashok.raj@intel.com" , "tn@semihalf.com" , "joro@8bytes.org" , "robdclark@gmail.com" , "bharatku@xilinx.com" , "linux-acpi@vger.kernel.org" , Catalin Marinas , "rfranz@cavium.com" , "lenb@kernel.org" , "devicetree@vger.kernel.org" , "jacob.jun.pan@linux.intel.com" , "alex.williamson@redhat.com" , "yi.l.liu@intel.com" , "thunder.leizhen@huawei.com" , "bhelgaas@google.com" , "linux-arm-kernel@lists.infradead.org" , "shunyong.yang@hxt-semitech.com" , "dwmw2@infradead.org" , "liubo95@huawei.com" , "rjw@rjwysocki.net" , "jcrouse@codeaurora.org" , "iommu@lists.linux-foundation.org" , "hanjun.guo@linaro.org" , Sudeep Holla , Robin Murphy , "christian.koenig@amd.com" , "nwatters@codeaurora.org" Content-Type: text/plain; charset="us-ascii" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+bjorn=helgaas.com@lists.infradead.org List-ID: On 19/02/18 02:51, Rob Herring wrote: [...] >> +- pasid-bits: Some masters support multiple address spaces for DMA, by >> + tagging DMA transactions with an address space identifier. By default, >> + this is 0, which means that the device only has one address space. > > So 3 would mean 8 address spaces? Yes > Maybe pasid-num-bits would be a bit clearer. Either way, Indeed, I'll change it > Reviewed-by: Rob Herring Thanks! Jean _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 From: jean-philippe.brucker@arm.com (Jean-Philippe Brucker) Date: Tue, 20 Feb 2018 11:28:16 +0000 Subject: [PATCH 11/37] dt-bindings: document stall and PASID properties for IOMMU masters In-Reply-To: <20180219025107.v3f3eapukupm7g5j@rob-hp-laptop> References: <20180212183352.22730-1-jean-philippe.brucker@arm.com> <20180212183352.22730-12-jean-philippe.brucker@arm.com> <20180219025107.v3f3eapukupm7g5j@rob-hp-laptop> Message-ID: <82037ff9-c786-8769-81fc-300e48ee4156@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 19/02/18 02:51, Rob Herring wrote: [...] >> +- pasid-bits: Some masters support multiple address spaces for DMA, by >> + tagging DMA transactions with an address space identifier. By default, >> + this is 0, which means that the device only has one address space. > > So 3 would mean 8 address spaces? Yes > Maybe pasid-num-bits would be a bit clearer. Either way, Indeed, I'll change it > Reviewed-by: Rob Herring Thanks! Jean