From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754370AbbLQRvl (ORCPT ); Thu, 17 Dec 2015 12:51:41 -0500 Received: from foss.arm.com ([217.140.101.70]:35211 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752204AbbLQRtm (ORCPT ); Thu, 17 Dec 2015 12:49:42 -0500 From: "Suzuki K. Poulose" To: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, mark.rutland@arm.com, punit.agrawal@arm.com, arm@kernel.org, "Suzuki K. Poulose" Subject: [PATCH v4 07/12] arm-cci: Get the status of a counter Date: Thu, 17 Dec 2015 17:49:14 +0000 Message-Id: <1450374559-23315-8-git-send-email-suzuki.poulose@arm.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1450374559-23315-1-git-send-email-suzuki.poulose@arm.com> References: <1450374559-23315-1-git-send-email-suzuki.poulose@arm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add helper routines to get the counter status and the event programmed on it. Cc: Punit Agrawal Acked-by: Mark Rutland Signed-off-by: Suzuki K. Poulose --- drivers/bus/arm-cci.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/bus/arm-cci.c b/drivers/bus/arm-cci.c index e2824a7..7f77f65 100644 --- a/drivers/bus/arm-cci.c +++ b/drivers/bus/arm-cci.c @@ -662,11 +662,23 @@ static void pmu_enable_counter(struct cci_pmu *cci_pmu, int idx) pmu_write_register(cci_pmu, 1, idx, CCI_PMU_CNTR_CTRL); } +static bool __maybe_unused +pmu_counter_is_enabled(struct cci_pmu *cci_pmu, int idx) +{ + return (pmu_read_register(cci_pmu, idx, CCI_PMU_CNTR_CTRL) & 0x1) != 0; +} + 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 __maybe_unused +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 From mboxrd@z Thu Jan 1 00:00:00 1970 From: suzuki.poulose@arm.com (Suzuki K. Poulose) Date: Thu, 17 Dec 2015 17:49:14 +0000 Subject: [PATCH v4 07/12] arm-cci: Get the status of a counter In-Reply-To: <1450374559-23315-1-git-send-email-suzuki.poulose@arm.com> References: <1450374559-23315-1-git-send-email-suzuki.poulose@arm.com> Message-ID: <1450374559-23315-8-git-send-email-suzuki.poulose@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Add helper routines to get the counter status and the event programmed on it. Cc: Punit Agrawal Acked-by: Mark Rutland Signed-off-by: Suzuki K. Poulose --- drivers/bus/arm-cci.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/bus/arm-cci.c b/drivers/bus/arm-cci.c index e2824a7..7f77f65 100644 --- a/drivers/bus/arm-cci.c +++ b/drivers/bus/arm-cci.c @@ -662,11 +662,23 @@ static void pmu_enable_counter(struct cci_pmu *cci_pmu, int idx) pmu_write_register(cci_pmu, 1, idx, CCI_PMU_CNTR_CTRL); } +static bool __maybe_unused +pmu_counter_is_enabled(struct cci_pmu *cci_pmu, int idx) +{ + return (pmu_read_register(cci_pmu, idx, CCI_PMU_CNTR_CTRL) & 0x1) != 0; +} + 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 __maybe_unused +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