On Mon, 21 Sep 2015 22:58:37 +0200 Robert Richter <[email protected]> wrote:
> From: Robert Richter <[email protected]> > > Some GIC revisions require an individual configuration to esp. add > workarounds for HW bugs. This patch implements generic code to parse > the hw revision provided by an IIDR register value and runs specific > code if hw matches. A function is added that reads the IIDR registers > for ITS (GITS_IIDR) and then goes through a list of init functions to > be called for specific versions. Same could be done for GICV3 > (GICD_IIDR), but there are no users yet for it. > > The patch is needed to implement workarounds for HW errata in Cavium's > ThunderX GICV3 ITS. > > v5: > * renamed caps names to quirk > > v4: > * only enable hw detection for its in its_enable_quirks() > * removed gicv3_check_capabilities() > > v3: > * use arm64 errata framework for midr check > > v2: > * adding MIDR check > > Signed-off-by: Robert Richter <[email protected]> Reviewed-by: Marc Zyngier <[email protected]> M. -- Jazz is not dead. It just smells funny. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
