diff options
| -rw-r--r-- | MAINTAINERS | 2 | ||||
| -rw-r--r-- | arch/openrisc/kernel/dma.c | 16 |
2 files changed, 9 insertions, 9 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 72e80c0f6d55..cf0f18502372 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -15411,7 +15411,7 @@ M: Stafford Horne <shorne@gmail.com> L: openrisc@lists.librecores.org S: Maintained W: http://openrisc.io -T: git git://github.com/openrisc/linux.git +T: git https://github.com/openrisc/linux.git F: Documentation/devicetree/bindings/openrisc/ F: Documentation/openrisc/ F: arch/openrisc/ diff --git a/arch/openrisc/kernel/dma.c b/arch/openrisc/kernel/dma.c index a82b2caaa560..b3edbb33b621 100644 --- a/arch/openrisc/kernel/dma.c +++ b/arch/openrisc/kernel/dma.c @@ -74,10 +74,10 @@ void *arch_dma_set_uncached(void *cpu_addr, size_t size) * We need to iterate through the pages, clearing the dcache for * them and setting the cache-inhibit bit. */ - mmap_read_lock(&init_mm); - error = walk_page_range(&init_mm, va, va + size, &set_nocache_walk_ops, - NULL); - mmap_read_unlock(&init_mm); + mmap_write_lock(&init_mm); + error = walk_page_range_novma(&init_mm, va, va + size, + &set_nocache_walk_ops, NULL, NULL); + mmap_write_unlock(&init_mm); if (error) return ERR_PTR(error); @@ -88,11 +88,11 @@ void arch_dma_clear_uncached(void *cpu_addr, size_t size) { unsigned long va = (unsigned long)cpu_addr; - mmap_read_lock(&init_mm); + mmap_write_lock(&init_mm); /* walk_page_range shouldn't be able to fail here */ - WARN_ON(walk_page_range(&init_mm, va, va + size, - &clear_nocache_walk_ops, NULL)); - mmap_read_unlock(&init_mm); + WARN_ON(walk_page_range_novma(&init_mm, va, va + size, + &clear_nocache_walk_ops, NULL, NULL)); + mmap_write_unlock(&init_mm); } void arch_sync_dma_for_device(phys_addr_t addr, size_t size, |