From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752845AbbJTNIN (ORCPT ); Tue, 20 Oct 2015 09:08:13 -0400 Received: from eu-smtp-delivery-143.mimecast.com ([207.82.80.143]:44300 "EHLO eu-smtp-delivery-143.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751901AbbJTNGi (ORCPT ); Tue, 20 Oct 2015 09:06:38 -0400 From: "Suzuki K. Poulose" To: linux-arm-kernel@lists.infradead.org Cc: punit.agrawal@arm.com, mark.rutland@arm.com, arm@kernel.org, linux-kernel@vger.kernel.org, "Suzuki K. Poulose" Subject: [PATCHv2 2/4] arm-cci: Get the status of a counter Date: Tue, 20 Oct 2015 14:05:24 +0100 Message-Id: <1445346326-30820-3-git-send-email-suzuki.poulose@arm.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1445346326-30820-1-git-send-email-suzuki.poulose@arm.com> References: <1445346326-30820-1-git-send-email-suzuki.poulose@arm.com> X-OriginalArrivalTime: 20 Oct 2015 13:06:12.0963 (UTC) FILETIME=[189F6B30:01D10B38] X-MC-Unique: ZJApzxn6QtCEAaZ93LM8IQ-5 Content-Type: text/plain; charset=WINDOWS-1252 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by mail.home.local id t9KD8IX2016544 Add helper routines to get the counter status and the event programmed on it. Cc: Punit Agrawal Cc: Mark Rutland Cc: arm@kernel.org Signed-off-by: Suzuki K. Poulose --- drivers/bus/arm-cci.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/bus/arm-cci.c b/drivers/bus/arm-cci.c index 5435d87..1a75010 100644 --- a/drivers/bus/arm-cci.c +++ b/drivers/bus/arm-cci.c @@ -647,11 +647,21 @@ static void pmu_enable_counter(struct cci_pmu *cci_pmu, int idx) pmu_write_register(cci_pmu, 1, idx, CCI_PMU_CNTR_CTRL); } +static u32 pmu_get_counter_ctrl(struct cci_pmu *cci_pmu, int idx) +{ + return pmu_read_register(cci_pmu, idx, CCI_PMU_CNTR_CTRL) & 0x1; +} + static void pmu_set_event(struct cci_pmu *cci_pmu, int idx, unsigned long event) { pmu_write_register(cci_pmu, event, idx, CCI_PMU_EVT_SEL); } +static u32 pmu_get_event(struct cci_pmu *cci_pmu, int idx) +{ + return pmu_read_register(cci_pmu, idx, CCI_PMU_EVT_SEL); +} + /* * Returns the number of programmable counters actually implemented * by the cci -- 1.7.9.5