diff options
| author | Dominik Sliwa <dominik.sliwa@toradex.com> | 2018-09-14 10:41:12 +0200 |
|---|---|---|
| committer | Dominik Sliwa <dominik.sliwa@toradex.com> | 2018-09-14 10:41:12 +0200 |
| commit | 6142e8731c3e5b9c9f96d9af83052b9787604b39 (patch) | |
| tree | 45b17840142b10874bf8974a74152eb3f9021e82 /backport-include/asm-generic | |
initial commit
Generated againts 4.18 kernel source with
git backports 0795d050c62e04c7c4fd7fcb554756e6adb4ec64
Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>
Diffstat (limited to 'backport-include/asm-generic')
| -rw-r--r-- | backport-include/asm-generic/bug.h | 39 | ||||
| -rw-r--r-- | backport-include/asm-generic/pci-dma-compat.h | 17 |
2 files changed, 56 insertions, 0 deletions
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 */ |