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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-10-13 00:11:21 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-10-13 00:11:21 +0300 |
| commit | 680b5b3c5d34b22695357e17b6bdd0abd83e6b1c (patch) | |
| tree | 50d9629f39d8a1c8ad0fb3e80c8d4bf8e6512841 /drivers/xen/gntdev.c | |
| parent | f154988a905e5cad9d1a20d4c4aeb176968fe3be (diff) | |
| parent | ee7f5225dc3cc7c19df1603597532ff34571f895 (diff) | |
| download | linux-680b5b3c5d34b22695357e17b6bdd0abd83e6b1c.tar.xz | |
Merge tag 'for-linus-5.4-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- correct panic handling when running as a Xen guest
- cleanup the Xen grant driver to remove printing a pointer being
always NULL
- remove a soon to be wrong call of of_dma_configure()
* tag 'for-linus-5.4-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen: Stop abusing DT of_dma_configure API
xen/grant-table: remove unnecessary printing
x86/xen: Return from panic notifier
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); |