add pcie_capability_set_word() pcie_capability_clear_and_set_word()

needed for 6.1.53 drm

diff --git a/sys/dev/pci/drm/include/linux/pci.h b/sys/dev/pci/drm/include/linux/pci.h
index 3f8de6b..b5b5133 100644 (file)
--- a/sys/dev/pci/drm/include/linux/pci.h
+++ b/sys/dev/pci/drm/include/linux/pci.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: pci.h,v 1.13 2023/01/01 01:34:58 jsg Exp $    */
+/*     $OpenBSD: pci.h,v 1.14 2023/09/13 12:31:49 jsg Exp $    */
 /*
  * Copyright (c) 2015 Mark Kettenis
  *
@@ -305,6 +305,27 @@ pcie_capability_write_word(struct pci_dev *pdev, int off, u16 val)
        return 0;
 }
 
+static inline int
+pcie_capability_set_word(struct pci_dev *pdev, int off, u16 val)
+{
+       u16 r;
+       pcie_capability_read_word(pdev, off, &r);
+       r |= val;
+       pcie_capability_write_word(pdev, off, r);
+       return 0;
+}
+
+static inline int
+pcie_capability_clear_and_set_word(struct pci_dev *pdev, int off, u16 c, u16 s)
+{
+       u16 r;
+       pcie_capability_read_word(pdev, off, &r);
+       r &= ~c;
+       r |= s;
+       pcie_capability_write_word(pdev, off, r);
+       return 0;
+}
+
 static inline int
 pcie_get_readrq(struct pci_dev *pdev)
 {