D10221.diff
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	Index: head/sys/arm/arm/pl310.c
	===================================================================
	--- head/sys/arm/arm/pl310.c
	+++ head/sys/arm/arm/pl310.c
	@@ -272,7 +272,9 @@


	#ifdef PL310_ERRATA_727915
	- platform_pl310_write_debug(pl310_softc, 3);
	+ if (pl310_softc->sc_rtl_revision >= CACHE_ID_RELEASE_r2p0 &&
	+ pl310_softc->sc_rtl_revision < CACHE_ID_RELEASE_r3p1)
	+ platform_pl310_write_debug(pl310_softc, 3);
	#endif
	while (size > 0) {
	#ifdef PL310_ERRATA_588369
	@@ -293,7 +295,9 @@
	size -= g_l2cache_line_size;
	}
	#ifdef PL310_ERRATA_727915
	- platform_pl310_write_debug(pl310_softc, 0);
	+ if (pl310_softc->sc_rtl_revision >= CACHE_ID_RELEASE_r2p0 &&
	+ pl310_softc->sc_rtl_revision < CACHE_ID_RELEASE_r3p1)
	+ platform_pl310_write_debug(pl310_softc, 0);
	#endif

	pl310_cache_sync();