From: jsg <jsg@openbsd.org>
Date: Wed, 13 Sep 2023 12:31:49 +0000 (+0000)
Subject: add pcie_capability_set_word() pcie_capability_clear_and_set_word()
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=f0b298f8a7f946e61a2fc40519753fa4980c05ec;p=openbsd

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 3f8de6b8616..b5b51337f9d 100644
--- 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)
 {