From patchwork Fri Sep 15 10:22:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Minda Chen X-Patchwork-Id: 13386832 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 35F27EE6454 for ; Fri, 15 Sep 2023 10:23:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id: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=gGVA3w6n2jQZ6hFTJxchLj7f+VSLCw3CMJ0ZioEUW0E=; b=rfxDcOmMzG7Xvp FzbobVXhFzIHgv4AESX0ECqJCox/T5Ozw3Snefl/CIsSwOo1vB9J2nMzXABT/sC9q60YfQsQTUeFn +UaAKxRWyAY1LMmYg4DH3d4yRr3EPR9I5HM0cJ/1iHl4BAEEvR0yfy3QuCCfUeJuuH2tBvG3QLzGq qepsIrKPT2souQzszzBX+Vdpbk2ILCKNI5fVCLUvmzMQz6KNSzWJ1XkbfpQOkhoK8vcDGvszgQqzq iRUKNI2E8A85sE/OO6R08uhiiynm5VgA4Slbij/TaKZL6wifMO8RrxP7mjyYLMWFE/fxGTqwc6xUb sRbFakDlbt0Vf3JSz8qQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qh5zN-00AOaL-2h; Fri, 15 Sep 2023 10:23:53 +0000 Received: from fd01.gateway.ufhost.com ([61.152.239.71]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qh5zD-00AOE7-0k for linux-riscv@lists.infradead.org; Fri, 15 Sep 2023 10:23:46 +0000 Received: from EXMBX166.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX166", Issuer "EXMBX166" (not verified)) by fd01.gateway.ufhost.com (Postfix) with ESMTP id 6E9DE85C3; Fri, 15 Sep 2023 18:22:57 +0800 (CST) Received: from EXMBX171.cuchost.com (172.16.6.91) by EXMBX166.cuchost.com (172.16.6.76) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Fri, 15 Sep 2023 18:22:57 +0800 Received: from ubuntu.localdomain (113.72.144.67) by EXMBX171.cuchost.com (172.16.6.91) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Fri, 15 Sep 2023 18:22:55 +0800 From: Minda Chen To: Daire McNamara , Conor Dooley , Rob Herring , Krzysztof Kozlowski , Bjorn Helgaas , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy=C5=84?= =?utf-8?q?ski?= , Emil Renner Berthing CC: , , , , =?utf-8?q?P?= =?utf-8?q?ali_Roh=C3=A1r?= , Paul Walmsley , Palmer Dabbelt , Albert Ou , Philipp Zabel , Mason Huo , Leyfoon Tan , Kevin Xie , Minda Chen Subject: [PATCH v6 13/19] PCI: microchip: Add get_events() callback function Date: Fri, 15 Sep 2023 18:22:37 +0800 Message-ID: <20230915102243.59775-14-minda.chen@starfivetech.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230915102243.59775-1-minda.chen@starfivetech.com> References: <20230915102243.59775-1-minda.chen@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [113.72.144.67] X-ClientProxiedBy: EXCAS062.cuchost.com (172.16.6.22) To EXMBX171.cuchost.com (172.16.6.91) X-YovoleRuleAgent: yovoleflag X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230915_032343_628610_BA80ADA7 X-CRM114-Status: GOOD ( 15.16 ) X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org For different interrupts to event num mapping function, add get_events() function pointer. Also add struct plda_event_ops for extent ops in the fucture. Signed-off-by: Minda Chen --- drivers/pci/controller/plda/pcie-microchip-host.c | 14 +++++++++++++- drivers/pci/controller/plda/pcie-plda.h | 2 ++ 2 files changed, 15 insertions(+), 1 deletion(-) diff --git a/drivers/pci/controller/plda/pcie-microchip-host.c b/drivers/pci/controller/plda/pcie-microchip-host.c index fb09b6c34e01..875bdb03ce22 100644 --- a/drivers/pci/controller/plda/pcie-microchip-host.c +++ b/drivers/pci/controller/plda/pcie-microchip-host.c @@ -646,7 +646,7 @@ static void plda_handle_event(struct irq_desc *desc) chained_irq_enter(chip, desc); - events = mc_get_events(port); + events = port->event_ops->get_events(port); for_each_set_bit(bit, &events, port->num_events) generic_handle_domain_irq(port->event_domain, bit); @@ -805,7 +805,12 @@ static int mc_request_event_irq(struct plda_pcie_rp *plda, int event_irq, 0, event_cause[event].sym, plda); } +static const struct plda_event_ops mc_event_ops = { + .get_events = mc_get_events, +}; + static const struct plda_event mc_event = { + .event_ops = &mc_event_ops, .request_event_irq = mc_request_event_irq, .intx_event = EVENT_LOCAL_PM_MSI_INT_INTX, .msi_event = EVENT_LOCAL_PM_MSI_INT_MSI, @@ -919,6 +924,11 @@ static int plda_init_interrupts(struct platform_device *pdev, int i, intx_irq, msi_irq, event_irq; int ret; + if (!event->event_ops || !event->event_ops->get_events) { + dev_err(dev, "no get events ops\n"); + return -EINVAL; + } + ret = plda_pcie_init_irq_domains(port); if (ret) { dev_err(dev, "failed creating IRQ domains\n"); @@ -929,6 +939,8 @@ static int plda_init_interrupts(struct platform_device *pdev, if (irq < 0) return -ENODEV; + port->event_ops = event->event_ops; + for (i = 0; i < port->num_events; i++) { event_irq = irq_create_mapping(port->event_domain, i); if (!event_irq) { diff --git a/drivers/pci/controller/plda/pcie-plda.h b/drivers/pci/controller/plda/pcie-plda.h index af5e69718342..48d7bc471137 100644 --- a/drivers/pci/controller/plda/pcie-plda.h +++ b/drivers/pci/controller/plda/pcie-plda.h @@ -149,11 +149,13 @@ struct plda_pcie_rp { struct irq_domain *event_domain; raw_spinlock_t lock; struct plda_msi msi; + const struct plda_event_ops *event_ops; void __iomem *bridge_addr; int num_events; }; struct plda_event { + const struct plda_event_ops *event_ops; int (*request_event_irq)(struct plda_pcie_rp *pcie, int event_irq, int event); int intx_event;