Messages in this thread | | | Date | Wed, 07 Oct 2015 08:12:06 +0100 | From | Marc Zyngier <> | Subject | Re: [PATCH v2 1/1] irqchip/GICv2m: Add workaround for APM X-Gene GICv2m erratum |
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On 06/10/15 23:32, Duc Dang wrote: > APM X-Gene GICv2m implementation has an erratum where the > MSI data needs to be the offset from the spi_start in order to > trigger the correct MSI interrupt. This is different from the > standard GICv2m implementation where the MSI data is the absolute > value within the range from spi_start to (spi_start + num_spis) > of each v2m frame. > > This patch reads MSI_IIDR register (present in all GICv2m > implementations) to identify X-Gene GICv2m implementation and > apply workaround to change the data portion of MSI vector. > > Signed-off-by: Duc Dang <dhdang@apm.com>
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
M. -- Jazz is not dead. It just smells funny...
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