From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 86D48CA0FF0 for ; Fri, 29 Aug 2025 12:49:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:CC:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=yb/VjMGDmmpuowzt+hSFA+l0RNY0LQ9loXoLSeR8xSg=; b=TaLXC7bNTZkJX5z8b+psFSQ+3n 7XQVFJFBUOICzD01+lTux7aCiCG6pkfzhNKAAhJxze9gHiKyF6VtlCVOnkqA2g2VILd6RF0fHbnWB 5tMf9tul7QtiVxo2GV4PsF6WcIvp1wWtp4xyrtOJk2yJGVC8zHuY3Eycz2We/bZMuIkqAMdHORLCi lTWsdeaTRGzNRyvlVgJgaRqy2GUGssZHVB7eqwqG9DGSVcphx3aNV9xT0dnL/d1cIfwmMuaUW1z/z hGZ3s5Ym5NgTiCRqnrVPNQzs6TqY0Yq3Kknpre+NBU1yhD+2cR+jBcPQspOGu7v3Z2JRp6I0gF2ka GK3FdyoQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uryXg-00000005htY-2FVO; Fri, 29 Aug 2025 12:49:20 +0000 Received: from szxga01-in.huawei.com ([45.249.212.187]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1urw7x-00000005HRx-3faR for linux-arm-kernel@lists.infradead.org; Fri, 29 Aug 2025 10:14:43 +0000 Received: from mail.maildlp.com (unknown [172.19.163.252]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4cCvJG5Fdsz14MCg; Fri, 29 Aug 2025 18:14:22 +0800 (CST) Received: from dggemv706-chm.china.huawei.com (unknown [10.3.19.33]) by mail.maildlp.com (Postfix) with ESMTPS id 7E111180B54; Fri, 29 Aug 2025 18:14:30 +0800 (CST) Received: from kwepemn100008.china.huawei.com (7.202.194.111) by dggemv706-chm.china.huawei.com (10.3.19.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Fri, 29 Aug 2025 18:14:30 +0800 Received: from localhost.huawei.com (10.90.31.46) by kwepemn100008.china.huawei.com (7.202.194.111) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Fri, 29 Aug 2025 18:14:29 +0800 From: Yushan Wang To: , , , CC: , , , , , , , , , Subject: [PATCH v3 3/9] drivers/perf: hisi: Simplify the probe process of each L3C PMU version Date: Fri, 29 Aug 2025 18:14:21 +0800 Message-ID: <20250829101427.2557899-4-wangyushan12@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20250829101427.2557899-1-wangyushan12@huawei.com> References: <20250829101427.2557899-1-wangyushan12@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.90.31.46] X-ClientProxiedBy: kwepems100001.china.huawei.com (7.221.188.238) To kwepemn100008.china.huawei.com (7.202.194.111) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250829_031438_314140_175311AB X-CRM114-Status: GOOD ( 15.68 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Yicong Yang Version 1 and 2 of L3C PMU also use different HID. Make use of struct acpi_device_id::driver_data for version specific information rather than judge the version register. This will help to simplify the probe process and also a bit easier for extension. Acked-by: Jonathan Cameron Signed-off-by: Yicong Yang Signed-off-by: Yushan Wang --- drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c | 43 ++++++++++++-------- 1 file changed, 26 insertions(+), 17 deletions(-) diff --git a/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c b/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c index 412fc3a97963..db683dd7375c 100644 --- a/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c +++ b/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c @@ -345,13 +345,6 @@ static void hisi_l3c_pmu_clear_int_status(struct hisi_pmu *l3c_pmu, int idx) writel(1 << idx, l3c_pmu->base + L3C_INT_CLEAR); } -static const struct acpi_device_id hisi_l3c_pmu_acpi_match[] = { - { "HISI0213", }, - { "HISI0214", }, - {} -}; -MODULE_DEVICE_TABLE(acpi, hisi_l3c_pmu_acpi_match); - static int hisi_l3c_pmu_init_data(struct platform_device *pdev, struct hisi_pmu *l3c_pmu) { @@ -371,6 +364,10 @@ static int hisi_l3c_pmu_init_data(struct platform_device *pdev, return -EINVAL; } + l3c_pmu->dev_info = device_get_match_data(&pdev->dev); + if (!l3c_pmu->dev_info) + return -ENODEV; + l3c_pmu->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(l3c_pmu->base)) { dev_err(&pdev->dev, "ioremap failed for l3c_pmu resource\n"); @@ -457,6 +454,18 @@ static const struct attribute_group *hisi_l3c_pmu_v2_attr_groups[] = { NULL }; +static const struct hisi_pmu_dev_info hisi_l3c_pmu_v1 = { + .attr_groups = hisi_l3c_pmu_v1_attr_groups, + .counter_bits = 48, + .check_event = L3C_V1_NR_EVENTS, +}; + +static const struct hisi_pmu_dev_info hisi_l3c_pmu_v2 = { + .attr_groups = hisi_l3c_pmu_v2_attr_groups, + .counter_bits = 64, + .check_event = L3C_V2_NR_EVENTS, +}; + static const struct hisi_uncore_ops hisi_uncore_l3c_ops = { .write_evtype = hisi_l3c_pmu_write_evtype, .get_event_idx = hisi_uncore_pmu_get_event_idx, @@ -487,16 +496,9 @@ static int hisi_l3c_pmu_dev_probe(struct platform_device *pdev, if (ret) return ret; - if (l3c_pmu->identifier >= HISI_PMU_V2) { - l3c_pmu->counter_bits = 64; - l3c_pmu->check_event = L3C_V2_NR_EVENTS; - l3c_pmu->pmu_events.attr_groups = hisi_l3c_pmu_v2_attr_groups; - } else { - l3c_pmu->counter_bits = 48; - l3c_pmu->check_event = L3C_V1_NR_EVENTS; - l3c_pmu->pmu_events.attr_groups = hisi_l3c_pmu_v1_attr_groups; - } - + l3c_pmu->pmu_events.attr_groups = l3c_pmu->dev_info->attr_groups; + l3c_pmu->counter_bits = l3c_pmu->dev_info->counter_bits; + l3c_pmu->check_event = l3c_pmu->dev_info->check_event; l3c_pmu->num_counters = L3C_NR_COUNTERS; l3c_pmu->ops = &hisi_uncore_l3c_ops; l3c_pmu->dev = &pdev->dev; @@ -554,6 +556,13 @@ static void hisi_l3c_pmu_remove(struct platform_device *pdev) &l3c_pmu->node); } +static const struct acpi_device_id hisi_l3c_pmu_acpi_match[] = { + { "HISI0213", (kernel_ulong_t)&hisi_l3c_pmu_v1 }, + { "HISI0214", (kernel_ulong_t)&hisi_l3c_pmu_v2 }, + {} +}; +MODULE_DEVICE_TABLE(acpi, hisi_l3c_pmu_acpi_match); + static struct platform_driver hisi_l3c_pmu_driver = { .driver = { .name = "hisi_l3c_pmu", -- 2.33.0