From patchwork Sat Mar 15 00:19:28 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roman Kisel X-Patchwork-Id: 14017641 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 2E998C282EC for ; Sat, 15 Mar 2025 00:31:40 +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-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=y7usvJbWdzao6Cpj0TdEPzfAZnIHMs9Jb/NJTFyO0qY=; b=h+X/YFRn1G60j/HFvyZW2E4OcW TM9sjYQipbj5G2qtJ25uyJt3YHToHm5N19yviIh1VGtnWbpmC8SWWXXe/ADtDDItJTZQ7hW6pBHDy cI1tJXqQcOzuTeoxePpAP9kz9g9TmFOVj37nTTFul4QPtD5ql9lQyoklqVZ+phSfgx3jNNVwF86t3 vt1CHZGeyv81dNOHCeuDDpAso2p3UXwJoZ+ywG1wvevdVl/0fsP6wCi1rcIH5uwe0pRsUOf6Ffly8 bLxPRo1tzZsBBuJDW83zsVbyQ4nFpB/JmuTLB5ZNLlfWUq7nsebZpN/PQXBv/j0mLEnyG06d8dA3Q NNe+/CPw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1ttFR5-0000000FbG8-2Ycz; Sat, 15 Mar 2025 00:31:31 +0000 Received: from linux.microsoft.com ([13.77.154.182]) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1ttFFY-0000000FZS0-2mjQ for linux-arm-kernel@lists.infradead.org; Sat, 15 Mar 2025 00:19:38 +0000 Received: from romank-3650.corp.microsoft.com (unknown [131.107.160.188]) by linux.microsoft.com (Postfix) with ESMTPSA id 06AF02045FE8; Fri, 14 Mar 2025 17:19:36 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 06AF02045FE8 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1741997976; bh=y7usvJbWdzao6Cpj0TdEPzfAZnIHMs9Jb/NJTFyO0qY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HSyzEKDaib/vNCsj0GVsgBRAnrzEB+NL8ATK/bG84DrwPyanIH5lU4qwJwKnntN4c gwattMzODKXWZLDfgxcC5LW+foXpL4yumP+Wx/H9YOhZ5tZwxmFXWOzSj7mOcHDm7O Zal/Tatiej9zT9mFNSWbnkskAD/Jx8sn2YNPgiUw= From: Roman Kisel To: arnd@arndb.de, bhelgaas@google.com, bp@alien8.de, catalin.marinas@arm.com, conor+dt@kernel.org, dan.carpenter@linaro.org, dave.hansen@linux.intel.com, decui@microsoft.com, haiyangz@microsoft.com, hpa@zytor.com, joey.gouly@arm.com, krzk+dt@kernel.org, kw@linux.com, kys@microsoft.com, lenb@kernel.org, lpieralisi@kernel.org, manivannan.sadhasivam@linaro.org, mark.rutland@arm.com, maz@kernel.org, mingo@redhat.com, oliver.upton@linux.dev, rafael@kernel.org, robh@kernel.org, ssengar@linux.microsoft.com, sudeep.holla@arm.com, suzuki.poulose@arm.com, tglx@linutronix.de, wei.liu@kernel.org, will@kernel.org, yuzenghui@huawei.com, devicetree@vger.kernel.org, kvmarm@lists.linux.dev, linux-acpi@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, x86@kernel.org Cc: apais@microsoft.com, benhill@microsoft.com, bperkins@microsoft.com, sunilmut@microsoft.com Subject: [PATCH hyperv-next v6 08/11] Drivers: hv: vmbus: Get the IRQ number from DeviceTree Date: Fri, 14 Mar 2025 17:19:28 -0700 Message-ID: <20250315001931.631210-9-romank@linux.microsoft.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250315001931.631210-1-romank@linux.microsoft.com> References: <20250315001931.631210-1-romank@linux.microsoft.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250314_171936_725344_684CF63E X-CRM114-Status: GOOD ( 11.66 ) 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 The VMBus driver uses ACPI for interrupt assignment on arm64 hence it won't function in the VTL mode where only DeviceTree can be used. Update the VMBus driver to discover interrupt configuration from DT. Signed-off-by: Roman Kisel Reviewed-by: Michael Kelley --- drivers/hv/vmbus_drv.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index 22afebfc28ff..e8f2c3e92d1f 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -2345,6 +2345,31 @@ static int vmbus_acpi_add(struct platform_device *pdev) } #endif +static int vmbus_set_irq(struct platform_device *pdev) +{ + struct irq_data *data; + int irq; + irq_hw_number_t hwirq; + + irq = platform_get_irq(pdev, 0); + /* platform_get_irq() may not return 0. */ + if (irq < 0) + return irq; + + data = irq_get_irq_data(irq); + if (!data) { + pr_err("No interrupt data for VMBus virq %d\n", irq); + return -ENODEV; + } + hwirq = irqd_to_hwirq(data); + + vmbus_irq = irq; + vmbus_interrupt = hwirq; + pr_debug("VMBus virq %d, hwirq %d\n", vmbus_irq, vmbus_interrupt); + + return 0; +} + static int vmbus_device_add(struct platform_device *pdev) { struct resource **cur_res = &hyperv_mmio; @@ -2359,6 +2384,11 @@ static int vmbus_device_add(struct platform_device *pdev) if (ret) return ret; + if (!__is_defined(HYPERVISOR_CALLBACK_VECTOR)) + ret = vmbus_set_irq(pdev); + if (ret) + return ret; + for_each_of_range(&parser, &range) { struct resource *res;