Am 07.09.21 um 12:03 schrieb Huang Rui:
__fls() on sparc64 return "int", but here it is expected as "unsigned long" (x86). It will cause the build errors because the warning becomes fatal while it is using sparc configuration. As suggested by Linus, it can use min_t instead of min to force the type as "unsigned int".
Suggested-by: Linus Torvalds torvalds@linux-foundation.org Signed-off-by: Huang Rui ray.huang@amd.com Cc: Christian König christian.koenig@amd.com
Reviewed-by: Christian König christian.koenig@amd.com
drivers/gpu/drm/ttm/ttm_pool.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/ttm/ttm_pool.c b/drivers/gpu/drm/ttm/ttm_pool.c index af1b41369626..c961a788b519 100644 --- a/drivers/gpu/drm/ttm/ttm_pool.c +++ b/drivers/gpu/drm/ttm/ttm_pool.c @@ -382,7 +382,8 @@ int ttm_pool_alloc(struct ttm_pool *pool, struct ttm_tt *tt, else gfp_flags |= GFP_HIGHUSER;
- for (order = min(MAX_ORDER - 1UL, __fls(num_pages)); num_pages;
- for (order = min_t(unsigned int, MAX_ORDER - 1, __fls(num_pages));
bool apply_caching = false; struct ttm_pool_type *pt;num_pages; order = min_t(unsigned int, order, __fls(num_pages))) {