Message ID | 20240329210638.3647523-7-quic_c_gdjako@quicinc.com |
---|---|
State | Superseded |
Headers | show
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Fri, 29 Mar 2024 21:07:10 +0000 (GMT) Received: from nasanex01a.na.qualcomm.com (nasanex01a.na.qualcomm.com [10.52.223.231]) by NASANPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 42TL79WM023843 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 29 Mar 2024 21:07:09 GMT Received: from hu-c-gdjako-lv.qualcomm.com (10.49.16.6) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Fri, 29 Mar 2024 14:07:08 -0700 From: Georgi Djakov <quic_c_gdjako@quicinc.com> To: <will@kernel.org>, <robin.murphy@arm.com>, <joro@8bytes.org>, <iommu@lists.linux.dev> CC: <robh+dt@kernel.org>, <krzysztof.kozlowski+dt@linaro.org>, <conor+dt@kernel.org>, <devicetree@vger.kernel.org>, <andersson@kernel.org>, <konrad.dybcio@linaro.org>, <robdclark@gmail.com>, <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>, <linux-arm-msm@vger.kernel.org>, <quic_cgoldswo@quicinc.com>, <quic_sukadev@quicinc.com>, <quic_pdaly@quicinc.com>, <quic_sudaraja@quicinc.com>, <djakov@kernel.org> Subject: [PATCH v7 6/7] iommu/arm-smmu-qcom: Use the custom fault handler on more platforms Date: Fri, 29 Mar 2024 14:06:37 -0700 Message-ID: <20240329210638.3647523-7-quic_c_gdjako@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240329210638.3647523-1-quic_c_gdjako@quicinc.com> References: <20240329210638.3647523-1-quic_c_gdjako@quicinc.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: <linux-arm-msm.vger.kernel.org> List-Subscribe: <mailto:linux-arm-msm+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-arm-msm+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) To nasanex01a.na.qualcomm.com (10.52.223.231) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: WEMYc9oo_6QkfLAWvhOI3NeHbWu4GY63 X-Proofpoint-ORIG-GUID: WEMYc9oo_6QkfLAWvhOI3NeHbWu4GY63 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-03-29_13,2024-03-28_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 mlxlogscore=999 malwarescore=0 spamscore=0 lowpriorityscore=0 impostorscore=0 mlxscore=0 phishscore=0 clxscore=1015 bulkscore=0 suspectscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2403210001 definitions=main-2403290188 |
Series |
Add support for Translation Buffer Units
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expand
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diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c index 7a58b1b96bca..08e0ad325bab 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c +++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c @@ -413,6 +413,10 @@ static const struct arm_smmu_impl qcom_smmu_500_impl = { .reset = arm_mmu500_reset, .write_s2cr = qcom_smmu_write_s2cr, .tlb_sync = qcom_smmu_tlb_sync, +#ifdef CONFIG_ARM_SMMU_QCOM_TBU + .context_fault = qcom_smmu_context_fault, + .context_fault_needs_threaded_irq = true, +#endif }; static const struct arm_smmu_impl sdm845_smmu_500_impl = {
The TBU support is now available, so let's allow it to be used on other platforms that have the Qualcomm SMMU-500 implementation with TBUs. This will allow the context fault handler to query the TBUs when a context fault occurs. Signed-off-by: Georgi Djakov <quic_c_gdjako@quicinc.com> --- drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 4 ++++ 1 file changed, 4 insertions(+)