[PATCH 2/3] arm: pmu: support pmu irq routed from CTI
Will Deacon
will.deacon at arm.com
Tue Mar 1 09:00:58 EST 2011
Hello,
> Subject: [PATCH 2/3] arm: pmu: support pmu irq routed from CTI
>
> From: Ming Lei <tom.leiming at gmail.com>
>
> This patch introduces pmu_platform_data struct to
> support pmu irq routed from CTI, such as implemented
> on OMAP4.
>
> Generally speaking, clearing cti irq should be done in
> irq handler, also enabling cti module after calling
> request_irq and disabling cti module before calling
> free_irq.
>
> Signed-off-by: Ming Lei <tom.leiming at gmail.com>
> ---
> arch/arm/include/asm/pmu.h | 12 ++++++++++
> arch/arm/kernel/perf_event.c | 51 ++++++++++++++++++++++++++++++++++++-----
> 2 files changed, 56 insertions(+), 7 deletions(-)
This will conflict with the the ux500 PMU workaround:
http://lists.infradead.org/pipermail/linux-arm-kernel/2011-February/041145.html
Will
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