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Mon, 16 Mar 2020 08:58:04 -0700 (PDT) Received: from myrica ([2001:171b:226b:54a0:116c:c27a:3e7f:5eaf]) by smtp.gmail.com with ESMTPSA id y189sm180467wmb.26.2020.03.16.08.58.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Mar 2020 08:58:04 -0700 (PDT) Date: Mon, 16 Mar 2020 16:57:56 +0100 From: Jean-Philippe Brucker To: Joerg Roedel Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-mediatek@lists.infradead.org, virtualization@lists.linux-foundation.org, Lorenzo Pieralisi , Hanjun Guo , Sudeep Holla , Rob Clark , Sean Paul , Will Deacon , Robin Murphy , Matthias Brugger , Thierry Reding , Andy Gross , Bjorn Andersson , Joerg Roedel Subject: Re: [PATCH 15/15] iommu: Move fwspec->iommu_priv to struct dev_iommu Message-ID: <20200316155756.GO304669@myrica> References: <20200310091229.29830-1-joro@8bytes.org> <20200310091229.29830-16-joro@8bytes.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200310091229.29830-16-joro@8bytes.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On Tue, Mar 10, 2020 at 10:12:29AM +0100, Joerg Roedel wrote: > From: Joerg Roedel > > Move the pointer for iommu private data from struct iommu_fwspec to > struct dev_iommu. > > Tested-by: Will Deacon # arm-smmu > Signed-off-by: Joerg Roedel Reviewed-by: Jean-Philippe Brucker > --- > include/linux/iommu.h | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-) > > diff --git a/include/linux/iommu.h b/include/linux/iommu.h > index 056900e75758..8c4d45fce042 100644 > --- a/include/linux/iommu.h > +++ b/include/linux/iommu.h > @@ -369,6 +369,7 @@ struct iommu_fault_param { > * > * @fault_param: IOMMU detected device fault reporting data > * @fwspec: IOMMU fwspec data > + * @priv: IOMMU Driver private data > * > * TODO: migrate other per device data pointers under iommu_dev_data, e.g. > * struct iommu_group *iommu_group; > @@ -377,6 +378,7 @@ struct dev_iommu { > struct mutex lock; > struct iommu_fault_param *fault_param; > struct iommu_fwspec *fwspec; > + void *priv; > }; > > int iommu_device_register(struct iommu_device *iommu); > @@ -589,7 +591,6 @@ struct iommu_group *fsl_mc_device_group(struct device *dev); > struct iommu_fwspec { > const struct iommu_ops *ops; > struct fwnode_handle *iommu_fwnode; > - void *iommu_priv; > u32 flags; > u32 num_pasid_bits; > unsigned int num_ids; > @@ -629,12 +630,12 @@ static inline void dev_iommu_fwspec_set(struct device *dev, > > static inline void *dev_iommu_priv_get(struct device *dev) > { > - return dev->iommu->fwspec->iommu_priv; > + return dev->iommu->priv; > } > > static inline void dev_iommu_priv_set(struct device *dev, void *priv) > { > - dev->iommu->fwspec->iommu_priv = priv; > + dev->iommu->priv = priv; > } > > int iommu_probe_device(struct device *dev); > -- > 2.17.1 >