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authorAnshuman Khandual <[email protected]>2022-01-25 19:50:32 +0530
committerMathieu Poirier <[email protected]>2022-01-27 12:01:53 -0700
commit607a9afaae09cde21ece458a8f10cb99d3f94f14 (patch)
tree9d607431de66713bc3f7c4c9aa999d8324259c3e /drivers/usb/cdns3/cdns3-trace.c
parent53960faf2b731dd2f9ed6e1334634b8ba6286850 (diff)
arm64: errata: Add detection for TRBE ignored system register writes
TRBE implementations affected by Arm erratum #2064142 might fail to write into certain system registers after the TRBE has been disabled. Under some conditions after TRBE has been disabled, writes into certain TRBE registers TRBLIMITR_EL1, TRBPTR_EL1, TRBBASER_EL1, TRBSR_EL1 and TRBTRG_EL1 will be ignored and not be effected. This adds a new errata ARM64_ERRATUM_2064142 in arm64 errata framework. Cc: Catalin Marinas <[email protected]> Cc: Will Deacon <[email protected]> Cc: Mathieu Poirier <[email protected]> Cc: Suzuki Poulose <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Reviewed-by: Suzuki K Poulose <[email protected]> Acked-by: Catalin Marinas <[email protected]> Signed-off-by: Anshuman Khandual <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Mathieu Poirier <[email protected]>
Diffstat (limited to 'drivers/usb/cdns3/cdns3-trace.c')
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