diff options
Diffstat (limited to 'backport')
| -rw-r--r-- | backport/backport-include/linux/of_device.h | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/backport/backport-include/linux/of_device.h b/backport/backport-include/linux/of_device.h index 951b2534..cdd366e3 100644 --- a/backport/backport-include/linux/of_device.h +++ b/backport/backport-include/linux/of_device.h @@ -3,9 +3,24 @@ #include_next <linux/of_device.h> #include <linux/version.h> -#if LINUX_VERSION_IS_LESS(4,1,0) -static inline void of_dma_configure(struct device *dev, struct device_node *np) -{} -#endif /* < 4.1.0 */ +#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 */ |