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Sat, 26 Sep 2020 06:00:12 -0700 (PDT) From: kholk11@gmail.com To: will@kernel.org Subject: [PATCH 4/8] iommu/arm-smmu: Support test_smr_masks implementation detail deviation Date: Sat, 26 Sep 2020 15:00:00 +0200 Message-Id: <20200926130004.13528-5-kholk11@gmail.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200926130004.13528-1-kholk11@gmail.com> References: <20200926130004.13528-1-kholk11@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200926_090015_426226_AA795CBB X-CRM114-Status: GOOD ( 14.48 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, marijns95@gmail.com, phone-devel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, joro@8bytes.org, konradybcio@gmail.com, bjorn.andersson@linaro.org, martin.botka1@gmail.com, kholk11@gmail.com, robin.murphy@arm.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: AngeloGioacchino Del Regno At least some Qualcomm SoCs do need to override the function arm_smmu_test_smr_masks entirely: add a test_smr_masks function to the implementation details structure and call it properly. Signed-off-by: AngeloGioacchino Del Regno --- drivers/iommu/arm/arm-smmu/arm-smmu.c | 6 ++++++ drivers/iommu/arm/arm-smmu/arm-smmu.h | 1 + 2 files changed, 7 insertions(+) diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.c b/drivers/iommu/arm/arm-smmu/arm-smmu.c index 09c42af9f31e..446a78dde9cd 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu.c +++ b/drivers/iommu/arm/arm-smmu/arm-smmu.c @@ -977,6 +977,12 @@ static void arm_smmu_test_smr_masks(struct arm_smmu_device *smmu) if (!smmu->smrs) return; + + if (smmu->impl && smmu->impl->test_smr_masks) { + smmu->impl->test_smr_masks(smmu); + return; + } + /* * If we've had to accommodate firmware memory regions, we may * have live SMRs by now; tread carefully... diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.h b/drivers/iommu/arm/arm-smmu/arm-smmu.h index d890a4a968e8..2cd3d126f675 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu.h +++ b/drivers/iommu/arm/arm-smmu/arm-smmu.h @@ -387,6 +387,7 @@ struct arm_smmu_impl { int (*cfg_probe)(struct arm_smmu_device *smmu); int (*reset)(struct arm_smmu_device *smmu); int (*init_context)(struct arm_smmu_domain *smmu_domain); + void (*test_smr_masks)(struct arm_smmu_device *smmu); void (*tlb_sync)(struct arm_smmu_device *smmu, int page, int sync, int status); int (*def_domain_type)(struct device *dev); -- 2.28.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel