{"id":2226601,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2226601/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260422161407.118748-3-kwilczynski@kernel.org/","project":{"id":28,"url":"http://patchwork.ozlabs.org/api/1.1/projects/28/?format=json","name":"Linux PCI development","link_name":"linux-pci","list_id":"linux-pci.vger.kernel.org","list_email":"linux-pci@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<20260422161407.118748-3-kwilczynski@kernel.org>","date":"2026-04-22T16:13:45","name":"[v6,02/24] PCI: Add pci_resource_is_io() and pci_resource_is_mem() helpers","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"b39d70ffa1fda5d2f8884f26796ca918ed663562","submitter":{"id":86709,"url":"http://patchwork.ozlabs.org/api/1.1/people/86709/?format=json","name":"Krzysztof Wilczyński","email":"kwilczynski@kernel.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260422161407.118748-3-kwilczynski@kernel.org/mbox/","series":[{"id":501041,"url":"http://patchwork.ozlabs.org/api/1.1/series/501041/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/list/?series=501041","date":"2026-04-22T16:13:46","name":"PCI: Convert all dynamic sysfs attributes to static","version":6,"mbox":"http://patchwork.ozlabs.org/series/501041/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2226601/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2226601/checks/","tags":{},"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-pci@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=k9viRKS6;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; 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charset=UTF-8","Content-Transfer-Encoding":"8bit"},"content":"Add helpers to check whether a PCI resource is of I/O port or\nmemory type. These replace the open-coded pci_resource_flags()\nwith IORESOURCE_IO and IORESOURCE_MEM pattern used across the\ntree.\n\nSuggested-by: Ilpo Järvinen \nReviewed-by: Ilpo Järvinen \nSigned-off-by: Krzysztof Wilczyński \n---\n include/linux/pci.h | 25 +++++++++++++++++++++++++\n 1 file changed, 25 insertions(+)","diff":"diff --git a/include/linux/pci.h b/include/linux/pci.h\nindex 1c270f1d5123..05aceb7f1f37 100644\n--- a/include/linux/pci.h\n+++ b/include/linux/pci.h\n@@ -2295,6 +2295,31 @@ int pci_iobar_pfn(struct pci_dev *pdev, int bar, struct vm_area_struct *vma);\n \tCONCATENATE(__pci_dev_for_each_res, COUNT_ARGS(__VA_ARGS__)) \t\\\n \t\t (dev, res, __VA_ARGS__)\n \n+/**\n+ * pci_resource_is_io - check if a PCI resource is of I/O port type.\n+ * @dev: PCI device to check.\n+ * @resno: The resource number (BAR index) to check.\n+ *\n+ * Returns true if the resource type is I/O port.\n+ */\n+static inline bool pci_resource_is_io(const struct pci_dev *dev, int resno)\n+{\n+\treturn resource_type(pci_resource_n(dev, resno)) == IORESOURCE_IO;\n+}\n+\n+/**\n+ * pci_resource_is_mem - check if a PCI resource is of memory type.\n+ * @dev: PCI device to check.\n+ * @resno: The resource number (BAR index) to check.\n+ *\n+ * Returns true if the resource type is memory, including\n+ * prefetchable memory.\n+ */\n+static inline bool pci_resource_is_mem(const struct pci_dev *dev, int resno)\n+{\n+\treturn resource_type(pci_resource_n(dev, resno)) == IORESOURCE_MEM;\n+}\n+\n /*\n * Similar to the helpers above, these manipulate per-pci_dev\n * driver-specific data. They are really just a wrapper around\n","prefixes":["v6","02/24"]}