Silence compile warnings about unused functions

Author: johalun

amd/amdgpu/Makefile

@@ -491,6 +491,7 @@ CWARNFLAGS.amdgpu_dm_pp_smu.c=	-Wno-missing-prototypes -Wno-enum-conversion
 CWARNFLAGS.amdgpu_dm_helpers.c= -Wno-missing-braces
 CWARNFLAGS.amdgpu_dm_services.c=-Wno-missing-prototypes
 CWARNFLAGS.amdgpu_display.c=	-Wno-missing-prototypes
+CWARNFLAGS.amdgpu_drv.c=	-Wno-unused-function
 CWARNFLAGS.amdgpu_gfx.c=	-Wno-missing-prototypes
 CWARNFLAGS.amdgpu_gtt_mgr.c=	-Wno-missing-prototypes
 CWARNFLAGS.amdgpu_job.c=	-Wno-missing-prototypes

drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c

@@ -1169,6 +1169,7 @@ static const struct dev_pm_ops amdgpu_pm_ops = {
 	.runtime_idle = amdgpu_pmops_runtime_idle,
 };
 
+#ifdef __linux__ /* Mute unused function warning (see below). */
 static int amdgpu_flush(struct file *f, fl_owner_t id)
 {
 	struct drm_file *file_priv = f->private_data;
@@ -1178,7 +1179,7 @@ static int amdgpu_flush(struct file *f, fl_owner_t id)
 
 	return 0;
 }
-
+#endif
 
 static const struct file_operations amdgpu_driver_kms_fops = {
 	.owner = THIS_MODULE,

drivers/gpu/drm/i915/i915_gem.c

@@ -1846,6 +1846,7 @@ i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data,
 	return 0;
 }
 
+#ifdef __linux__ /* Mute unused function warning. */
 static inline bool
 __vma_matches(struct vm_area_struct *vma, struct file *filp,
 	      unsigned long addr, unsigned long size)
@@ -1855,6 +1856,7 @@ __vma_matches(struct vm_area_struct *vma, struct file *filp,
 
 	return vma->vm_start == addr && (vma->vm_end - vma->vm_start) == size;
 }
+#endif
 
 /**
  * i915_gem_mmap_ioctl - Maps the contents of an object, returning the address

i915/Makefile

@@ -208,7 +208,7 @@ CWARNFLAGS.intel_dsi_panel_vbt.c= -Wno-cast-qual
 CWARNFLAGS.intel_engine_cs.c= -Wno-cast-qual
 CWARNFLAGS.intel_fbdev.c=	-Wno-initializer-overrides
 CWARNFLAGS.intel_guc_ct.c=	-Wno-address-of-packed-member # probably false positive
-CWARNFLAGS.intel_guc_submission.c= -Wno-cast-qual
+CWARNFLAGS.intel_guc_submission.c= -Wno-cast-qual -Wno-unused-function
 CWARNFLAGS.intel_hdmi.c=	-Wno-enum-conversion
 CWARNFLAGS.intel_hotplug.c=	-Wno-missing-prototypes
 CWARNFLAGS.intel_lrc.c=		-Wno-cast-qual -Wno-unused-variable

linuxkpi/gplv2/src/linux_genalloc.c

@@ -656,10 +656,10 @@ unsigned long gen_pool_best_fit(unsigned long *map, unsigned long size,
 }
 EXPORT_SYMBOL(gen_pool_best_fit);
 
-static void devm_gen_pool_release(struct device *dev, void *res)
-{
-	gen_pool_destroy(*(struct gen_pool **)res);
-}
+/* static void devm_gen_pool_release(struct device *dev, void *res) */
+/* { */
+/* 	gen_pool_destroy(*(struct gen_pool **)res); */
+/* } */
 
 /* static int devm_gen_pool_match(struct device *dev, void *res, void *data) */
 /* { */