The tegra DRM driver is almost ok without an MMU, but there
is one small warning that I get:
drivers/gpu/drm/tegra/gem.c: In function 'tegra_drm_mmap':
drivers/gpu/drm/tegra/gem.c:508:12: unused variable 'prot'
This marks the variable as __maybe_unused instead.
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
drivers/gpu/drm/tegra/gem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c
index 7d853e6b5ff0..63f14b7a59a0 100644
--- a/drivers/gpu/drm/tegra/gem.c
+++ b/drivers/gpu/drm/tegra/gem.c
@@ -505,7 +505,7 @@ int tegra_drm_mmap(struct file *file, struct vm_area_struct *vma)
vma->vm_pgoff = vm_pgoff;
} else {
- pgprot_t prot = vm_get_page_prot(vma->vm_flags);
+ pgprot_t prot __maybe_unused = vm_get_page_prot(vma->vm_flags);
vma->vm_flags |= VM_MIXEDMAP;
vma->vm_flags &= ~VM_PFNMAP;
--
2.9.0
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