From: "Suzuki K. Poulose" <suzuki.poulose@arm.com>
To: arm@kernel.org
Cc: will.deacon@arm.com, punit.agrawal@arm.com, mark.rutland@arm.com,
linux-arm-kernel@lists.infradead.org, arnd@arndb.de,
olof@lixom.net, pawel.moll@arm.com, linux-kernel@vger.kernel.org,
"Suzuki K. Poulose" <suzuki.poulose@arm.com>,
Russell King <rmk+kernel@arm.linux.org.uk>
Subject: [PATCH 1/7] arm-cci: Do not enable CCI-400 PMU by default
Date: Tue, 26 May 2015 10:53:10 +0100 [thread overview]
Message-ID: <1432633996-7229-2-git-send-email-suzuki.poulose@arm.com> (raw)
In-Reply-To: <1432633996-7229-1-git-send-email-suzuki.poulose@arm.com>
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@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
next prev parent reply other threads:[~2015-05-26 14:04 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-26 9:53 [PATCH 0/7] ARM CCI PMU updates for 4.2 Suzuki K. Poulose
2015-05-26 9:53 ` Suzuki K. Poulose [this message]
2015-05-29 10:06 ` [PATCH 1/7] arm-cci: Do not enable CCI-400 PMU by default Suzuki K. Poulose
2015-05-26 9:53 ` [PATCH 2/7] arm-cci: Cleanup PMU driver code Suzuki K. Poulose
2015-05-26 9:53 ` [PATCH 3/7] arm-cci: Abstract out the PMU counter details Suzuki K. Poulose
2015-05-26 9:53 ` [PATCH 4/7] arm-cci: Abstract handling for CCI events Suzuki K. Poulose
2015-05-26 9:53 ` [PATCH 5/7] arm-cci: Sanitise CCI400 PMU driver specific code Suzuki K. Poulose
2015-05-26 9:53 ` [PATCH 6/7] arm-cci: Add CCI-500 PMU support Suzuki K. Poulose
2015-05-26 9:53 ` [PATCH 7/7] arm-cci: Add aliases for PMU events Suzuki K. Poulose
2015-05-29 9:29 ` [PATCH 0/7] ARM CCI PMU updates for 4.2 Suzuki K. Poulose
2015-05-29 12:49 ` Arnd Bergmann
2015-05-29 13:04 ` Suzuki K. Poulose
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