On 2021-06-15 19:01, Marek Szyprowski wrote:
Hi,
On 03.06.2021 18:46, Thierry Reding wrote:
From: Thierry Reding <[email protected]>
Implement a ->probe_finalize() callback that can be used by vendor
implementations to perform extra programming necessary after devices
have been attached to the SMMU.
Signed-off-by: Thierry Reding <[email protected]>
This patch landed recently in linux-next as commit 0d97174aeadf
("iommu/arm-smmu: Implement ->probe_finalize()"). It causes the
following issue on ARM Juno R1 board:
[...]
+static void arm_smmu_probe_finalize(struct device *dev)
+{
+ struct arm_smmu_master_cfg *cfg;
+ struct arm_smmu_device *smmu;
+
+ cfg = dev_iommu_priv_get(dev);
+ smmu = cfg->smmu;
+
+ if (smmu->impl->probe_finalize)
Oops, indeed that needs to check smmu->impl first.
Robin.
+ smmu->impl->probe_finalize(smmu, dev);
+}
+
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