From mboxrd@z Thu Jan 1 00:00:00 1970 From: sbranden@broadcom.com (Scott Branden) Date: Fri, 18 Apr 2014 10:12:52 -0700 Subject: [PATCH] ARM: mach-bcm: add ARM_ERRATA_775420 In-Reply-To: <1397778296-27537-1-git-send-email-sbranden@broadcom.com> References: <1397778296-27537-1-git-send-email-sbranden@broadcom.com> Message-ID: <53515D14.5090704@broadcom.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 14-04-17 04:44 PM, 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. > > Signed-off-by: Scott Branden > Tested-by: Markus Mayer > Reviewed-by: Markus Mayer > Reviewed-by: Alex Edler New patch V2 being sent out to correct Alex' last name.