gpu: nvgpu: Add abstraction for firmware loading

Add nvgpu_firmware data structure, and return it instead of Linux
struct firmare from nvgpu_request_firmware. Also add abstraction
for releasing firmware: nvgpu_release_firmware.

JIRA NVGPU-16

Change-Id: I6dae8262957c0d4506f710289e3a43a6c1729fc7
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1463538
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h
index 84161304..e7a8b7c2 100644
--- a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h
@@ -25,6 +25,8 @@
 #include <nvgpu/flcnif_cmn.h>
 #include <nvgpu/pmuif/nvgpu_gpmu_cmdif.h>
 
+struct nvgpu_firmware;
+
 /* defined by pmu hw spec */
 #define GK20A_PMU_VA_SIZE               (512 * 1024 * 1024)
 #define GK20A_PMU_UCODE_SIZE_MAX        (256 * 1024)
@@ -394,7 +396,7 @@ struct pmu_gk20a {
         u32 aelpg_param[5];
         u32 override_done;
 
-        const struct firmware *fw;
+        struct nvgpu_firmware *fw;
 };
 
 int gk20a_init_pmu_support(struct gk20a *g);