diff options
Diffstat (limited to 'backport-include/linux/of_device.h')
| -rw-r--r-- | backport-include/linux/of_device.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/backport-include/linux/of_device.h b/backport-include/linux/of_device.h new file mode 100644 index 0000000..cdd366e --- /dev/null +++ b/backport-include/linux/of_device.h @@ -0,0 +1,26 @@ +#ifndef __BP_OF_DEVICE_H +#define __BP_OF_DEVICE_H +#include_next <linux/of_device.h> +#include <linux/version.h> + +#if LINUX_VERSION_IS_LESS(4,18,0) +static inline int backport_of_dma_configure(struct device *dev, + struct device_node *np, + bool force_dma) +{ +#if LINUX_VERSION_IS_GEQ(4,15,0) + dev->bus->force_dma = force_dma; + return of_dma_configure(dev, np); +#elif LINUX_VERSION_IS_GEQ(4,12,0) + return of_dma_configure(dev, np); +#elif LINUX_VERSION_IS_GEQ(4,1,0) + of_dma_configure(dev, np); + return 0; +#else + return 0; +#endif +} +#define of_dma_configure LINUX_BACKPORT(of_dma_configure) +#endif /* < 4.18 */ + +#endif /* __BP_OF_DEVICE_H */ |