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Subject[PATCH] drm/xen-front: fix pointer casts
Date
From: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>

Building for a 32-bit target results in warnings from casting
between a 32-bit pointer and a 64-bit integer. Fix the warnings
by casting those pointers to uintptr_t first.

Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
---
drivers/gpu/drm/xen/xen_drm_front.h | 4 ++--
drivers/gpu/drm/xen/xen_drm_front_shbuf.c | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/xen/xen_drm_front.h b/drivers/gpu/drm/xen/xen_drm_front.h
index 2c2479b571ae..8e15dbebc4ba 100644
--- a/drivers/gpu/drm/xen/xen_drm_front.h
+++ b/drivers/gpu/drm/xen/xen_drm_front.h
@@ -126,12 +126,12 @@ struct xen_drm_front_drm_info {

static inline u64 xen_drm_front_fb_to_cookie(struct drm_framebuffer *fb)
{
- return (u64)fb;
+ return (u64)(uintptr_t)fb;
}

static inline u64 xen_drm_front_dbuf_to_cookie(struct drm_gem_object *gem_obj)
{
- return (u64)gem_obj;
+ return (u64)(uintptr_t)gem_obj;
}

int xen_drm_front_mode_set(struct xen_drm_front_drm_pipeline *pipeline,
diff --git a/drivers/gpu/drm/xen/xen_drm_front_shbuf.c b/drivers/gpu/drm/xen/xen_drm_front_shbuf.c
index 8099cb343ae3..47fc93847765 100644
--- a/drivers/gpu/drm/xen/xen_drm_front_shbuf.c
+++ b/drivers/gpu/drm/xen/xen_drm_front_shbuf.c
@@ -122,7 +122,7 @@ static void guest_calc_num_grefs(struct xen_drm_front_shbuf *buf)
}

#define xen_page_to_vaddr(page) \
- ((phys_addr_t)pfn_to_kaddr(page_to_xen_pfn(page)))
+ ((phys_addr_t)(uintptr_t)pfn_to_kaddr(page_to_xen_pfn(page)))

static int backend_unmap(struct xen_drm_front_shbuf *buf)
{
--
2.17.0
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