diff options
author | Jonathan Corbet <corbet@lwn.net> | 2019-10-29 04:43:29 -0600 |
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committer | Jonathan Corbet <corbet@lwn.net> | 2019-10-29 04:43:29 -0600 |
commit | 822bbba0cabb50825a0ce22707dc45eb82d02853 (patch) | |
tree | ea61d4ca72cb60b4cae8e95f64eefa7cd2a36603 /drivers/xen/gntdev.c | |
parent | d41abfd7ae33cd3c1d9189438937d61cb75e690a (diff) | |
parent | 7d194c2100ad2a6dded545887d02754948ca5241 (diff) |
Merge tag 'v5.4-rc4' into docs-next
I need to pick up the independent changes made to
Documentation/core-api/memory-allocation.rst to be able to merge further
work without creating a total mess.
Diffstat (limited to 'drivers/xen/gntdev.c')
-rw-r--r-- | drivers/xen/gntdev.c | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index a446a7221e13..81401f386c9c 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -22,6 +22,7 @@ #define pr_fmt(fmt) "xen:" KBUILD_MODNAME ": " fmt +#include <linux/dma-mapping.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> @@ -34,9 +35,6 @@ #include <linux/slab.h> #include <linux/highmem.h> #include <linux/refcount.h> -#ifdef CONFIG_XEN_GRANT_DMA_ALLOC -#include <linux/of_device.h> -#endif #include <xen/xen.h> #include <xen/grant_table.h> @@ -625,14 +623,7 @@ static int gntdev_open(struct inode *inode, struct file *flip) flip->private_data = priv; #ifdef CONFIG_XEN_GRANT_DMA_ALLOC priv->dma_dev = gntdev_miscdev.this_device; - - /* - * The device is not spawn from a device tree, so arch_setup_dma_ops - * is not called, thus leaving the device with dummy DMA ops. - * Fix this by calling of_dma_configure() with a NULL node to set - * default DMA ops. - */ - of_dma_configure(priv->dma_dev, NULL, true); + dma_coerce_mask_and_coherent(priv->dma_dev, DMA_BIT_MASK(64)); #endif pr_debug("priv %p\n", priv); |