ARM: 8090/1: add revision info for PL310 errata 588369 and 727915

Add revision info for PL310_ERRATA_588369 and PL310_ERRATA_727915 to
help people understand if they need to enable the errata for their
hardware.

Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index c348eae..df46620 100644 (file)
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -907,8 +907,8 @@ config PL310_ERRATA_588369
           They are architecturally defined to behave as the execution of a
           clean operation followed immediately by an invalidate operation,
           both performing to the same memory location. This functionality
-          is not correctly implemented in PL310 as clean lines are not
-          invalidated as a result of these operations.
+          is not correctly implemented in PL310 prior to r2p0 (fixed in r2p0)
+          as clean lines are not invalidated as a result of these operations.
 
 config PL310_ERRATA_727915
        bool "PL310 errata: Background Clean & Invalidate by Way operation can cause data corruption"
@@ -918,7 +918,8 @@ config PL310_ERRATA_727915
          PL310 can handle normal accesses while it is in progress. Under very
          rare circumstances, due to this erratum, write data can be lost when
          PL310 treats a cacheable write transaction during a Clean &
-         Invalidate by Way operation.
+         Invalidate by Way operation.  Revisions prior to r3p1 are affected by
+         this errata (fixed in r3p1).
 
 config PL310_ERRATA_753970
        bool "PL310 errata: cache sync operation may be faulty"