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Tomasz Nowicki authored
FW has to configure devices' StreamIDs so that SMMU is able to lookup context and do proper translation later on. For Armada 7040 & 8040 and publicly available FW, most of the devices are configured properly, but some like ap_sdhci0, PCIe, NIC still remain unassigned which results in SMMU faults about unmatched StreamID (assuming ARM_SMMU_DISABLE_BYPASS_BY_DEFAUL=y). Since there is dependency on custom FW let SMMU be disabled by default. People who still willing to use SMMU need to enable manually and use ARM_SMMU_DISABLE_BYPASS_BY_DEFAUL=n (or via kernel command line) with extra caution. Fixes: 83a3545d ("arm64: dts: marvell: add SMMU support") Cc: <stable@vger.kernel.org> # 5.9+ Signed-off-by:
Tomasz Nowicki <tn@semihalf.com> Signed-off-by:
Gregory CLEMENT <gregory.clement@bootlin.com>
Tomasz Nowicki authoredFW has to configure devices' StreamIDs so that SMMU is able to lookup context and do proper translation later on. For Armada 7040 & 8040 and publicly available FW, most of the devices are configured properly, but some like ap_sdhci0, PCIe, NIC still remain unassigned which results in SMMU faults about unmatched StreamID (assuming ARM_SMMU_DISABLE_BYPASS_BY_DEFAUL=y). Since there is dependency on custom FW let SMMU be disabled by default. People who still willing to use SMMU need to enable manually and use ARM_SMMU_DISABLE_BYPASS_BY_DEFAUL=n (or via kernel command line) with extra caution. Fixes: 83a3545d ("arm64: dts: marvell: add SMMU support") Cc: <stable@vger.kernel.org> # 5.9+ Signed-off-by:
Tomasz Nowicki <tn@semihalf.com> Signed-off-by:
Gregory CLEMENT <gregory.clement@bootlin.com>
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