Merge tag 'for-linus' of https://github.com/openrisc/linux

Pull OpenRISC updates from Stafford Horne:
"I have relocated to London so not much work from me while I get
settled.

Still, OpenRISC picked up two patches in this window:

- Fix for kernel page table walking from Jann Horn

- MAINTAINER entry cleanup from Palmer Dabbelt"

* tag 'for-linus' of https://github.com/openrisc/linux:
MAINTAINERS: git://github -> https://github.com for openrisc
openrisc: Fix pagewalk usage in arch_dma_{clear, set}_uncached

MAINTAINERS

···
 L:	[e-mail]
 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/

arch/openrisc/kernel/dma.c

···
 	 * 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);
···
 {
 	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,