diff options
Diffstat (limited to 'drivers/base/core.c')
| -rw-r--r-- | drivers/base/core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c index 280425409b40..e65dd803a453 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -27,6 +27,7 @@ #include <linux/netdevice.h> #include <linux/sched/signal.h> #include <linux/sched/mm.h> +#include <linux/swiotlb.h> #include <linux/sysfs.h> #include <linux/dma-map-ops.h> /* for dma_default_coherent */ @@ -886,6 +887,8 @@ static void device_link_put_kref(struct device_link *link) { if (link->flags & DL_FLAG_STATELESS) kref_put(&link->kref, __device_link_del); + else if (!device_is_registered(link->consumer)) + __device_link_del(&link->kref); else WARN(1, "Unable to drop a managed device link reference\n"); } @@ -2849,6 +2852,9 @@ void device_initialize(struct device *dev) defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU_ALL) dev->dma_coherent = dma_default_coherent; #endif +#ifdef CONFIG_SWIOTLB + dev->dma_io_tlb_mem = &io_tlb_default_mem; +#endif } EXPORT_SYMBOL_GPL(device_initialize); |