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drm: fix drm_get_max_iomem type mismatch 

When comparing two variables with min()/max(), they should be the same type:

drivers/gpu/drm/drm_memory.c: In function 'drm_get_max_iomem':
include/linux/kernel.h:821:16: error: comparison of distinct pointer types lacks a cast [-Werror]
  (void) (&max1 == &max2);

This makes the local variable in drm_get_max_iomem make the type
from resource->end.

Fixes: 82626363a2 ("drm: add func to get max iomem address v2")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180222114804.1394300-1-arnd@arndb.de
hifive-unleashed-5.1
Arnd Bergmann 2018-02-22 12:47:51 +01:00 committed by Sean Paul
parent 4751cf733a
commit 5887170610
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/drm_memory.c
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@ -153,7 +153,7 @@ EXPORT_SYMBOL(drm_legacy_ioremapfree);
u64 drm_get_max_iomem(void)
{
struct resource *tmp;
u64 max_iomem = 0;
resource_size_t max_iomem = 0;
for (tmp = iomem_resource.child; tmp; tmp = tmp->sibling) {
max_iomem = max(max_iomem, tmp->end);