aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arc
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arc')
-rw-r--r--arch/arc/Kconfig3
-rw-r--r--arch/arc/mm/cache.c2
-rw-r--r--arch/arc/mm/dma.c2
3 files changed, 3 insertions, 4 deletions
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 6dd783557330..ca8e26d045a9 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -13,12 +13,10 @@ config ARC
select ARCH_HAS_PTE_SPECIAL
select ARCH_HAS_SYNC_DMA_FOR_CPU
select ARCH_HAS_SYNC_DMA_FOR_DEVICE
- select ARCH_HAS_SG_CHAIN
select ARCH_SUPPORTS_ATOMIC_RMW if ARC_HAS_LLSC
select BUILDTIME_EXTABLE_SORT
select CLONE_BACKWARDS
select COMMON_CLK
- select DMA_DIRECT_OPS
select GENERIC_ATOMIC64 if !ISA_ARCV2 || !(ARC_HAS_LL64 && ARC_HAS_LLSC)
select GENERIC_CLOCKEVENTS
select GENERIC_FIND_FIRST_BIT
@@ -26,6 +24,7 @@ config ARC
select GENERIC_IRQ_SHOW
select GENERIC_PCI_IOMAP
select GENERIC_PENDING_IRQ if SMP
+ select GENERIC_SCHED_CLOCK
select GENERIC_SMP_IDLE_THREAD
select HAVE_ARCH_KGDB
select HAVE_ARCH_TRACEHOOK
diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c
index cf9619d4efb4..4135abec3fb0 100644
--- a/arch/arc/mm/cache.c
+++ b/arch/arc/mm/cache.c
@@ -1294,7 +1294,7 @@ void __init arc_cache_init_master(void)
/*
* In case of IOC (say IOC+SLC case), pointers above could still be set
* but end up not being relevant as the first function in chain is not
- * called at all for @dma_direct_ops
+ * called at all for devices using coherent DMA.
* arch_sync_dma_for_cpu() -> dma_cache_*() -> __dma_cache_*()
*/
}
diff --git a/arch/arc/mm/dma.c b/arch/arc/mm/dma.c
index db203ff69ccf..1525ac00fd02 100644
--- a/arch/arc/mm/dma.c
+++ b/arch/arc/mm/dma.c
@@ -33,7 +33,7 @@ void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle,
*/
BUG_ON(gfp & __GFP_HIGHMEM);
- page = alloc_pages(gfp, order);
+ page = alloc_pages(gfp | __GFP_ZERO, order);
if (!page)
return NULL;