From 6142e8731c3e5b9c9f96d9af83052b9787604b39 Mon Sep 17 00:00:00 2001
From: Dominik Sliwa <dominik.sliwa@toradex.com>
Date: Fri, 14 Sep 2018 10:41:12 +0200
Subject: initial commit

Generated againts 4.18 kernel source with
git backports 0795d050c62e04c7c4fd7fcb554756e6adb4ec64

Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>
---
 backport-include/asm-generic/bug.h            | 39 +++++++++++++++++++++++++++
 backport-include/asm-generic/pci-dma-compat.h | 17 ++++++++++++
 2 files changed, 56 insertions(+)
 create mode 100644 backport-include/asm-generic/bug.h
 create mode 100644 backport-include/asm-generic/pci-dma-compat.h

(limited to 'backport-include/asm-generic')

diff --git a/backport-include/asm-generic/bug.h b/backport-include/asm-generic/bug.h
new file mode 100644
index 0000000..4e9e05f
--- /dev/null
+++ b/backport-include/asm-generic/bug.h
@@ -0,0 +1,39 @@
+#ifndef __BACKPORT_ASM_GENERIC_BUG_H
+#define __BACKPORT_ASM_GENERIC_BUG_H
+#include_next <asm-generic/bug.h>
+
+#ifndef __WARN
+#define __WARN(foo) dump_stack()
+#endif
+
+#ifndef WARN_ONCE
+#define WARN_ONCE(condition, format...) ({                      \
+	static int __warned;                                    \
+	int __ret_warn_once = !!(condition);                    \
+								\
+	if (unlikely(__ret_warn_once))                          \
+		if (WARN(!__warned, format))                    \
+			__warned = 1;                           \
+	unlikely(__ret_warn_once);                              \
+})
+#endif
+
+#ifndef __WARN_printf
+/*
+ * To port this properly we'd have to port warn_slowpath_null(),
+ * which I'm lazy to do so just do a regular print for now. If you
+ * want to port this read kernel/panic.c
+ */
+#define __WARN_printf(arg...)   do { printk(arg); __WARN(); } while (0)
+#endif
+
+#ifndef WARN
+#define WARN(condition, format...) ({					\
+	int __ret_warn_on = !!(condition);				\
+	if (unlikely(__ret_warn_on))					\
+		__WARN_printf(format);					\
+	unlikely(__ret_warn_on);					\
+})
+#endif
+
+#endif /* __BACKPORT_ASM_GENERIC_BUG_H */
diff --git a/backport-include/asm-generic/pci-dma-compat.h b/backport-include/asm-generic/pci-dma-compat.h
new file mode 100644
index 0000000..1b1433e
--- /dev/null
+++ b/backport-include/asm-generic/pci-dma-compat.h
@@ -0,0 +1,17 @@
+#ifndef __BACKPORT_ASM_GENERIC_PCI_DMA_COMPAT_H
+#define __BACKPORT_ASM_GENERIC_PCI_DMA_COMPAT_H
+#include_next <asm-generic/pci-dma-compat.h>
+
+#if LINUX_VERSION_IS_LESS(3,17,0)
+#define pci_zalloc_consistent LINUX_BACKPORT(pci_zalloc_consistent)
+static inline void *pci_zalloc_consistent(struct pci_dev *hwdev, size_t size,
+					  dma_addr_t *dma_handle)
+{
+	void *ret = pci_alloc_consistent(hwdev, size, dma_handle);
+	if (ret)
+		memset(ret, 0, size);
+	return ret;
+}
+#endif
+
+#endif /* __BACKPORT_ASM_GENERIC_PCI_DMA_COMPAT_H */
-- 
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