Messages in this thread | | | From | Duc Dang <> | Date | Wed, 7 Oct 2015 11:08:53 -0700 | Subject | Re: [PATCH v2 1/1] irqchip/GICv2m: Add workaround for APM X-Gene GICv2m erratum |
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On Wed, Oct 7, 2015 at 12:12 AM, Marc Zyngier <marc.zyngier@arm.com> wrote: > 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>
Thanks, Marc. > > M. > -- > Jazz is not dead. It just smells funny...
Regards, Duc Dang.
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