From: Bjorn Helgaas <bhelgaas@google.com>
Date: Fri, 24 Feb 2012 03:18:56 +0000 (-0700)
Subject: PCI: add pci_clear_flags()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=dcce6dc486816d5e1a14e066f611100624421e3a;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

PCI: add pci_clear_flags()

Add a pci_clear_flags() for cases when we statically initialize
pci_flags, then decide to clear things out later.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
---

diff --git a/include/asm-generic/pci-bridge.h b/include/asm-generic/pci-bridge.h
index 4a5aca2a2c94..a5b5d5a89a4f 100644
--- a/include/asm-generic/pci-bridge.h
+++ b/include/asm-generic/pci-bridge.h
@@ -45,6 +45,11 @@ static inline void pci_add_flags(int flags)
 	pci_flags |= flags;
 }
 
+static inline void pci_clear_flags(int flags)
+{
+	pci_flags &= ~flags;
+}
+
 static inline int pci_has_flag(int flag)
 {
 	return pci_flags & flag;
@@ -52,6 +57,7 @@ static inline int pci_has_flag(int flag)
 #else
 static inline void pci_set_flags(int flags) { }
 static inline void pci_add_flags(int flags) { }
+static inline void pci_clear_flags(int flags) { }
 static inline int pci_has_flag(int flag)
 {
 	return 0;