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From: "Pali Rohár" <pali@kernel.org>
To: "Martin Mares" <mj@ucw.cz>, "Bjorn Helgaas" <helgaas@kernel.org>,
	"Krzysztof Wilczyński" <kw@linux.com>,
	"Matthew Wilcox" <willy@infradead.org>,
	linux-pci@vger.kernel.org
Subject: [PATCH pciutils 3/4] libpci: sysfs: Implement support for PCI_FILL_DRIVER
Date: Fri, 21 Jan 2022 15:03:50 +0100	[thread overview]
Message-ID: <20220121140351.27382-4-pali@kernel.org> (raw)
In-Reply-To: <20220121140351.27382-1-pali@kernel.org>

In sysfs is driver name stored as symlink path of "driver" node.
---
 lib/sysfs.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/lib/sysfs.c b/lib/sysfs.c
index 7714607f66a0..0dbd127ff53b 100644
--- a/lib/sysfs.c
+++ b/lib/sysfs.c
@@ -445,6 +445,19 @@ sysfs_fill_info(struct pci_dev *d, unsigned int flags)
       done |= PCI_FILL_DT_NODE;
     }
 
+  if (flags & PCI_FILL_DRIVER)
+    {
+      char *driver_path = sysfs_deref_link(d, "driver");
+      if (driver_path)
+        {
+          char *driver = strrchr(driver_path, '/');
+          driver = driver ? driver+1 : driver_path;
+          pci_set_property(d, PCI_FILL_DRIVER, driver);
+          free(driver_path);
+        }
+      done |= PCI_FILL_DRIVER;
+    }
+
   return done | pci_generic_fill_info(d, flags & ~done);
 }
 
-- 
2.20.1


  parent reply	other threads:[~2022-01-21 14:05 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-21 14:03 [PATCH pciutils 0/4] Support for PCI_FILL_DRIVER Pali Rohár
2022-01-21 14:03 ` [PATCH pciutils 1/4] libpci: Define new string property PCI_FILL_DRIVER Pali Rohár
2022-01-21 14:03 ` [PATCH pciutils 2/4] libpci: proc: Implement support for PCI_FILL_DRIVER Pali Rohár
2022-01-21 14:03 ` Pali Rohár [this message]
2022-01-21 14:03 ` [PATCH pciutils 4/4] lspci: Replace find_driver() via libpci PCI_FILL_DRIVER Pali Rohár
2022-01-21 14:31 ` [PATCH pciutils 0/4] Support for PCI_FILL_DRIVER Martin Mareš
2022-01-21 14:40   ` Pali Rohár
2022-01-21 14:46     ` Martin Mareš

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