* [PATCH] ARM: OMAP5: Enable Cortex A15 errata 798181
@ 2013-06-19 19:52 Santosh Shilimkar
2013-07-03 13:55 ` Santosh Shilimkar
0 siblings, 1 reply; 3+ messages in thread
From: Santosh Shilimkar @ 2013-06-19 19:52 UTC (permalink / raw)
To: linux-arm-kernel
ARM errata 798181 is applicable for OMAP5 based devices. So enable
the same in the build. Errata extract and workaround information
is as below.
On Cortex-A15 (r0p0..r3p2) the TLBI*IS/DSB operations are not
adequately shooting down all use of the old entries. The
ARM_ERRATA_798181 option enables the Linux kernel workaround
for this erratum which sends an IPI to the CPUs that are running
the same ASID as the one being invalidated.
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
---
arch/arm/mach-omap2/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index f49cd51..fbd2b9f 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -112,6 +112,7 @@ config SOC_OMAP5
select HAVE_SMP
select COMMON_CLK
select HAVE_ARM_ARCH_TIMER
+ select ARM_ERRATA_798181
comment "OMAP Core Type"
depends on ARCH_OMAP2
--
1.7.9.5
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH] ARM: OMAP5: Enable Cortex A15 errata 798181
2013-06-19 19:52 [PATCH] ARM: OMAP5: Enable Cortex A15 errata 798181 Santosh Shilimkar
@ 2013-07-03 13:55 ` Santosh Shilimkar
2013-07-04 11:50 ` Tony Lindgren
0 siblings, 1 reply; 3+ messages in thread
From: Santosh Shilimkar @ 2013-07-03 13:55 UTC (permalink / raw)
To: linux-arm-kernel
Ping..
On Wednesday 19 June 2013 03:52 PM, Santosh Shilimkar wrote:
> ARM errata 798181 is applicable for OMAP5 based devices. So enable
> the same in the build. Errata extract and workaround information
> is as below.
>
> On Cortex-A15 (r0p0..r3p2) the TLBI*IS/DSB operations are not
> adequately shooting down all use of the old entries. The
> ARM_ERRATA_798181 option enables the Linux kernel workaround
> for this erratum which sends an IPI to the CPUs that are running
> the same ASID as the one being invalidated.
>
> Cc: Tony Lindgren <tony@atomide.com>
>
> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
> ---
> arch/arm/mach-omap2/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
> index f49cd51..fbd2b9f 100644
> --- a/arch/arm/mach-omap2/Kconfig
> +++ b/arch/arm/mach-omap2/Kconfig
> @@ -112,6 +112,7 @@ config SOC_OMAP5
> select HAVE_SMP
> select COMMON_CLK
> select HAVE_ARM_ARCH_TIMER
> + select ARM_ERRATA_798181
>
> comment "OMAP Core Type"
> depends on ARCH_OMAP2
>
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2013-07-04 11:50 UTC | newest]
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2013-06-19 19:52 [PATCH] ARM: OMAP5: Enable Cortex A15 errata 798181 Santosh Shilimkar
2013-07-03 13:55 ` Santosh Shilimkar
2013-07-04 11:50 ` Tony Lindgren
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