Merge 1546cd4bfd ("Merge tag 'ata-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata") into android-mainline

Steps on the way to 6.5-rc1

Change-Id: Ia463446d17457b876f2d910fda2c13745d5348e8
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

kernel/dma/Kconfig

@@ -42,7 +42,7 @@ config ARCH_HAS_DMA_SET_MASK
 #
 # Select this option if the architecture needs special handling for
 # DMA_ATTR_WRITE_COMBINE.  Normally the "uncached" mapping should be what
-# people thing of when saying write combine, so very few platforms should
+# people think of when saying write combine, so very few platforms should
 # need to enable this.
 #
 config ARCH_HAS_DMA_WRITE_COMBINE

kernel/dma/remap.c

@@ -43,13 +43,13 @@ void *dma_common_contiguous_remap(struct page *page, size_t size,
 	void *vaddr;
 	int i;
 
-	pages = kmalloc_array(count, sizeof(struct page *), GFP_KERNEL);
+	pages = kvmalloc_array(count, sizeof(struct page *), GFP_KERNEL);
 	if (!pages)
 		return NULL;
 	for (i = 0; i < count; i++)
 		pages[i] = nth_page(page, i);
 	vaddr = vmap(pages, count, VM_DMA_COHERENT, prot);
-	kfree(pages);
+	kvfree(pages);
 
 	return vaddr;
 }

kernel/dma/swiotlb.c

@@ -717,6 +717,15 @@ static int swiotlb_find_slots(struct device *dev, phys_addr_t orig_addr,
 	return -1;
 }
 
+#ifdef CONFIG_DEBUG_FS
+
+static unsigned long mem_used(struct io_tlb_mem *mem)
+{
+	return atomic_long_read(&mem->total_used);
+}
+
+#else /* !CONFIG_DEBUG_FS */
+
 static unsigned long mem_used(struct io_tlb_mem *mem)
 {
 	int i;
@@ -727,6 +736,8 @@ static unsigned long mem_used(struct io_tlb_mem *mem)
 	return used;
 }
 
+#endif /* CONFIG_DEBUG_FS */
+
 phys_addr_t swiotlb_tbl_map_single(struct device *dev, phys_addr_t orig_addr,
 		size_t mapping_size, size_t alloc_size,
 		unsigned int alloc_align_mask, enum dma_data_direction dir,