* [PATCHv2] arm-cci: Do not enable CCI-400 PMU by default
@ 2015-05-12 10:12 Suzuki K. Poulose
2015-05-18 16:06 ` Punit Agrawal
0 siblings, 1 reply; 2+ messages in thread
From: Suzuki K. Poulose @ 2015-05-12 10:12 UTC (permalink / raw)
To: linux-arm-kernel
From: "Suzuki K. Poulose" <suzuki.poulose@arm.com>
Do not enable CCI-400 PMU by default and fix the dependency on PERF_EVENTS
than HW_PERF_EVENTS.
Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Will Deacon <will.deacon@arm.com>
Cc: arm at kernel.org
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Suzuki K. Poulose <suzuki.poulose@arm.com>
---
Changes since V1:
- Make CCI400_PMU depend on CPU_V7 for ARM (Suggested by: Russell)
---
drivers/bus/Kconfig | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig
index a1d4af6..a6b37d4 100644
--- a/drivers/bus/Kconfig
+++ b/drivers/bus/Kconfig
@@ -13,15 +13,13 @@ config ARM_CCI400_COMMON
config ARM_CCI400_PMU
bool "ARM CCI400 PMU support"
- default y
- depends on ARM || ARM64
- depends on HW_PERF_EVENTS
+ depends on (ARM && CPU_V7) || ARM64
+ depends on PERF_EVENTS
select ARM_CCI400_COMMON
help
- Support for PMU events monitoring on the ARM CCI cache coherent
- interconnect.
-
- If unsure, say Y
+ Support for PMU events monitoring on the ARM CCI-400 (cache coherent
+ interconnect). CCI-400 supports counting events related to the
+ connected slave/master interfaces.
config ARM_CCI400_PORT_CTRL
bool
--
1.7.9.5
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCHv2] arm-cci: Do not enable CCI-400 PMU by default
2015-05-12 10:12 [PATCHv2] arm-cci: Do not enable CCI-400 PMU by default Suzuki K. Poulose
@ 2015-05-18 16:06 ` Punit Agrawal
0 siblings, 0 replies; 2+ messages in thread
From: Punit Agrawal @ 2015-05-18 16:06 UTC (permalink / raw)
To: linux-arm-kernel
"Suzuki K. Poulose" <suzuki.poulose@arm.com> writes:
> From: "Suzuki K. Poulose" <suzuki.poulose@arm.com>
>
> Do not enable CCI-400 PMU by default and fix the dependency on PERF_EVENTS
> than HW_PERF_EVENTS.
>
> Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
> Cc: Will Deacon <will.deacon@arm.com>
> Cc: arm at kernel.org
> Cc: Russell King <rmk+kernel@arm.linux.org.uk>
> Signed-off-by: Suzuki K. Poulose <suzuki.poulose@arm.com>
This seems fine. Assuming Russell has no further comments -
Acked-by: Punit Agrawal <punit.agrawal@arm.com>
> ---
> Changes since V1:
> - Make CCI400_PMU depend on CPU_V7 for ARM (Suggested by: Russell)
> ---
> drivers/bus/Kconfig | 12 +++++-------
> 1 file changed, 5 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig
> index a1d4af6..a6b37d4 100644
> --- a/drivers/bus/Kconfig
> +++ b/drivers/bus/Kconfig
> @@ -13,15 +13,13 @@ config ARM_CCI400_COMMON
>
> config ARM_CCI400_PMU
> bool "ARM CCI400 PMU support"
> - default y
> - depends on ARM || ARM64
> - depends on HW_PERF_EVENTS
> + depends on (ARM && CPU_V7) || ARM64
> + depends on PERF_EVENTS
> select ARM_CCI400_COMMON
> help
> - Support for PMU events monitoring on the ARM CCI cache coherent
> - interconnect.
> -
> - If unsure, say Y
> + Support for PMU events monitoring on the ARM CCI-400 (cache coherent
> + interconnect). CCI-400 supports counting events related to the
> + connected slave/master interfaces.
>
> config ARM_CCI400_PORT_CTRL
> bool
^ permalink raw reply [flat|nested] 2+ messages in thread
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