Re: [PATCH 2/4] arm-cci: Get rid of secure transactions for PMU driver

2015-02-25 Thread Suzuki K. Poulose
On 24/02/15 21:53, Nicolas Pitre wrote: On Tue, 24 Feb 2015, Suzuki K. Poulose wrote: From: "Suzuki K. Poulose" Avoid secure transactions while probing the CCI PMU. The existing code makes use of the Peripheral ID2 (PID2) register to determine the revision of the CCI400, which requires a

Re: [PATCH 2/4] arm-cci: Get rid of secure transactions for PMU driver

2015-02-25 Thread Suzuki K. Poulose
On 24/02/15 21:53, Nicolas Pitre wrote: On Tue, 24 Feb 2015, Suzuki K. Poulose wrote: From: Suzuki K. Poulose suzuki.poul...@arm.com Avoid secure transactions while probing the CCI PMU. The existing code makes use of the Peripheral ID2 (PID2) register to determine the revision of the CCI400,

Re: [PATCH 2/4] arm-cci: Get rid of secure transactions for PMU driver

2015-02-24 Thread Nicolas Pitre
On Tue, 24 Feb 2015, Suzuki K. Poulose wrote: > From: "Suzuki K. Poulose" > > Avoid secure transactions while probing the CCI PMU. The > existing code makes use of the Peripheral ID2 (PID2) register > to determine the revision of the CCI400, which requires a > secure transaction. This puts a

[PATCH 2/4] arm-cci: Get rid of secure transactions for PMU driver

2015-02-24 Thread Suzuki K. Poulose
From: "Suzuki K. Poulose" Avoid secure transactions while probing the CCI PMU. The existing code makes use of the Peripheral ID2 (PID2) register to determine the revision of the CCI400, which requires a secure transaction. This puts a limitation on the usage of the driver on systems running

[PATCH 2/4] arm-cci: Get rid of secure transactions for PMU driver

2015-02-24 Thread Suzuki K. Poulose
From: Suzuki K. Poulose suzuki.poul...@arm.com Avoid secure transactions while probing the CCI PMU. The existing code makes use of the Peripheral ID2 (PID2) register to determine the revision of the CCI400, which requires a secure transaction. This puts a limitation on the usage of the driver on

Re: [PATCH 2/4] arm-cci: Get rid of secure transactions for PMU driver

2015-02-24 Thread Nicolas Pitre
On Tue, 24 Feb 2015, Suzuki K. Poulose wrote: From: Suzuki K. Poulose suzuki.poul...@arm.com Avoid secure transactions while probing the CCI PMU. The existing code makes use of the Peripheral ID2 (PID2) register to determine the revision of the CCI400, which requires a secure transaction.