From mboxrd@z Thu Jan 1 00:00:00 1970 From: mporter@linaro.org (Matt Porter) Date: Fri, 25 Apr 2014 09:58:24 -0400 Subject: [PATCH V2] ARM: mach-bcm: add ARM_ERRATA_775420 In-Reply-To: <1397841200-14061-1-git-send-email-sbranden@broadcom.com> References: <1397841200-14061-1-git-send-email-sbranden@broadcom.com> Message-ID: <20140425135824.GG1127@beef> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, Apr 18, 2014 at 10:13:20AM -0700, Scott Branden wrote: > ARM_ERRATA_775420 needs to be enabled. > > A data cache maintenance operation which aborts, followed by an ISB, > without any DSB in-between, might lead to deadlock. > > Affects: bug present in Cortex-A9 r3p0 and earlier. Fixed in r4p0. > > Cortex-A9 r3p0 is used in a multitude of Broadcom parts including > the bcm21664, bcm281xx, 5301x families of devices. Applied to mach-bcm for-3.16/soc Thanks, Matt > Signed-off-by: Scott Branden > Tested-by: Markus Mayer > Reviewed-by: Markus Mayer > Reviewed-by: Alex Elder > Acked-by: Matt Porter > --- > arch/arm/mach-bcm/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig > index 49c914c..9ef7f65 100644 > --- a/arch/arm/mach-bcm/Kconfig > +++ b/arch/arm/mach-bcm/Kconfig > @@ -15,6 +15,7 @@ config ARCH_BCM_MOBILE > select ARCH_REQUIRE_GPIOLIB > select ARM_ERRATA_754322 > select ARM_ERRATA_764369 if SMP > + select ARM_ERRATA_775420 > select ARM_GIC > select GPIO_BCM_KONA > select TICK_ONESHOT > -- > 1.7.9.5 >