dma-mapping: remove dma_configure

There is no good reason for this indirection given that the method
always exists.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
This commit is contained in:
Christoph Hellwig 2018-08-24 09:40:24 +02:00
parent 58643a3a80
commit ccf640f4c9
3 changed files with 5 additions and 19 deletions

View File

@ -480,9 +480,11 @@ re_probe:
if (ret) if (ret)
goto pinctrl_bind_failed; goto pinctrl_bind_failed;
ret = dma_configure(dev); if (dev->bus->dma_configure) {
ret = dev->bus->dma_configure(dev);
if (ret) if (ret)
goto dma_failed; goto dma_failed;
}
if (driver_sysfs_add(dev)) { if (driver_sysfs_add(dev)) {
printk(KERN_ERR "%s: driver_sysfs_add(%s) failed\n", printk(KERN_ERR "%s: driver_sysfs_add(%s) failed\n",

View File

@ -754,14 +754,8 @@ dma_mark_declared_memory_occupied(struct device *dev,
#endif /* CONFIG_HAVE_GENERIC_DMA_COHERENT */ #endif /* CONFIG_HAVE_GENERIC_DMA_COHERENT */
#ifdef CONFIG_HAS_DMA #ifdef CONFIG_HAS_DMA
int dma_configure(struct device *dev);
void dma_deconfigure(struct device *dev); void dma_deconfigure(struct device *dev);
#else #else
static inline int dma_configure(struct device *dev)
{
return 0;
}
static inline void dma_deconfigure(struct device *dev) {} static inline void dma_deconfigure(struct device *dev) {}
#endif #endif

View File

@ -328,16 +328,6 @@ void dma_common_free_remap(void *cpu_addr, size_t size, unsigned long vm_flags)
} }
#endif #endif
/*
* enables DMA API use for a device
*/
int dma_configure(struct device *dev)
{
if (dev->bus->dma_configure)
return dev->bus->dma_configure(dev);
return 0;
}
void dma_deconfigure(struct device *dev) void dma_deconfigure(struct device *dev)
{ {
of_dma_deconfigure(dev); of_dma_deconfigure(dev);