From: punit.agrawal@arm.com (Punit Agrawal)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCHv2] arm-cci: Do not enable CCI-400 PMU by default
Date: Mon, 18 May 2015 17:06:26 +0100 [thread overview]
Message-ID: <9hhd21xx43h.fsf@e105922-lin.cambridge.arm.com> (raw)
In-Reply-To: <1431425521-10639-1-git-send-email-suzuki.poulose@arm.com> (Suzuki K. Poulose's message of "Tue, 12 May 2015 11:12:01 +0100")
"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
prev parent reply other threads:[~2015-05-18 16:06 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
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 [this message]
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