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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 On Fri, Apr 12, 2024 at 08:43:49PM -0700, Nicolin Chen wrote: > The CMDQV extension in NVIDIA Tegra241 SoC only supports CS_NONE in the > CS field of CMD_SYNC. Add a quirk flag to accommodate that. > > Signed-off-by: Nicolin Chen > --- > drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 10 ++++++++-- > drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 4 ++++ > 2 files changed, 12 insertions(+), 2 deletions(-) > @@ -707,7 +712,8 @@ static int __arm_smmu_cmdq_poll_until_consumed(struct arm_smmu_device *smmu, > static int arm_smmu_cmdq_poll_until_sync(struct arm_smmu_device *smmu, > struct arm_smmu_ll_queue *llq) > { > - if (smmu->options & ARM_SMMU_OPT_MSIPOLL) > + if (smmu->options & ARM_SMMU_OPT_MSIPOLL && > + !(cmdq->q.quirks & CMDQ_QUIRK_SYNC_CS_NONE_ONLY)) > return __arm_smmu_cmdq_poll_until_msi(smmu, llq); Realized that I should have moved the PATCH-4 to the top for the cmdq pointer here. Otherwise it breaks git-bisect... Will fix in the next version. Nicolin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel