Messages in this thread | | | From | Ray Jui <> | Subject | [PATCH v2] Workaround for Broadcom NS2 gicv2m implementation | Date | Wed, 4 May 2016 16:47:14 -0700 |
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Alex Barba <alex.barba@broadcom.com> discovered Broadcom NS2 GICv2m implementation has an erratum where the MSI data needs to be the SPI number subtracted by an offset of 32, for the correct MSI interrupt to be triggered.
We are now implementating the workaround based on readings from the MSI_IIDR register.
Patch series is developed based on Linux v4.6-rc1 and available at: https://github.com/Broadcom/arm64-linux/tree/gicv2m-iproc-v2
Changes from v1: - Changed from DT based approach to the approch similar to APM that is based on readings from the MSI_IIDR register
Ray Jui (1): irqchip/gic-v2m: Add workaround for Broadcom NS2 GICv2m erratum
drivers/irqchip/irq-gic-v2m.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-)
-- 2.1.4
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