Commit e19718f6 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

media: atomisp: add debug message to help debugging hmm code 



The hmm code is partially based on a fork from 3.10 code,
and has bugs.

Add debug there to help tracking what happens there.

Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 576680cd

drivers/staging/media/atomisp/pci/hmm/hmm_bo.c

+5 −0
Original line number Diff line number Diff line
@@ -1015,6 +1015,11 @@ static int alloc_user_pages(struct hmm_buffer_object *bo, 
		bo->mem_type = HMM_BO_MEM_TYPE_USER;

	}



	dev_dbg(atomisp_dev, "%s: %d %s pages were allocated as 0x%08x\n",

		__func__,

		bo->pgnr,

		bo->mem_type == HMM_BO_MEM_TYPE_USER ? "user" : "pfn", page_nr);



	/* can be written by caller, not forced */

	if (page_nr != bo->pgnr) {

		dev_err(atomisp_dev,