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authorRobin Murphy <robin.murphy@arm.com>2022-05-11 14:12:53 +0100
committerWill Deacon <will@kernel.org>2022-05-12 13:44:56 +0100
commitc5781212985a76ae610d18429388f9ec6ee3f77b (patch)
treec2762ad7f2790ceda204f47428e4ebcdc0167ff0 /Documentation/arm64
parent3630b2a86390b4be907d8685b2fddee0dd73a835 (diff)
perf/arm-cmn: Decode CAL devices properly in debugfs
The debugfs code is lazy, and since it only keeps the bottom byte of each connect_info register to save space, it also treats the whole thing as the device_type since the other bits were reserved anyway. Upon closer inspection, though, this is no longer true on newer IP versions, so let's be good and decode the exact field properly. This should help it not get confused when a Component Aggregation Layer is present (which is already implied if Node IDs are found for both device addresses represented by the next two lines of the table). Signed-off-by: Robin Murphy <robin.murphy@arm.com> Link: https://lore.kernel.org/r/6a13a6128a28cfe2eec6d09cf372a167ec9c3b65.1652274773.git.robin.murphy@arm.com Signed-off-by: Will Deacon <will@kernel.org>
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