gpu: nvgpu: Remove bios_blob debugfs

linux/debugfs.h was included in gk20a.h because of the debugfs entry
bios_blob, which can be used for checking contents of VBIOS. That
has never been used, so instead of abstracting it, this patch removes
the feature altogether.

Two files were using debugfs but did not #include <linux/debugfs.h>.
They failed to build now that gk20a.h no longer #includes it, so
added explit #include.

JIRA NVGPU-259

Change-Id: Ie1ea9be1a8920441b1616f34e64e505e6e10e38c
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1570404
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 25 deletions

diff --git a/drivers/gpu/nvgpu/gp106/bios_gp106.c b/drivers/gpu/nvgpu/gp106/bios_gp106.c
index 3178ae53..a5a244e8 100644
--- a/drivers/gpu/nvgpu/gp106/bios_gp106.c
+++ b/drivers/gpu/nvgpu/gp106/bios_gp106.c
@@ -31,9 +31,6 @@
 #include "gm20b/fifo_gm20b.h"
 #include "bios_gp106.h"
 #include "gp106/mclk_gp106.h"
-#ifdef CONFIG_DEBUG_FS
-#include "common/linux/os_linux.h"
-#endif
 
 #include <nvgpu/hw/gp106/hw_pwr_gp106.h>
 #include <nvgpu/hw/gp106/hw_mc_gp106.h>
@@ -187,10 +184,6 @@ out:
 int gp106_bios_init(struct gk20a *g)
 {
         unsigned int i;
-#ifdef CONFIG_DEBUG_FS
-        struct nvgpu_os_linux *l = nvgpu_os_linux_from_gk20a(g);
-        struct dentry *d;
-#endif
         int err;
 
         gk20a_dbg_fn("");
@@ -232,40 +225,24 @@ int gp106_bios_init(struct gk20a *g)
                         g->power_sensor_missing = true;
         }
 
-#ifdef CONFIG_DEBUG_FS
-        g->bios_blob.data = g->bios.data;
-        g->bios_blob.size = g->bios.size;
-
-        d = debugfs_create_blob("bios", S_IRUGO, l->debugfs,
-                        &g->bios_blob);
-        if (!d) {
-                err = -EINVAL;
-                nvgpu_err(g, "No debugfs?");
-                goto free_firmware;
-        }
-#endif
         gk20a_dbg_fn("done");
 
         err = gp106_bios_devinit(g);
         if (err) {
                 nvgpu_err(g, "devinit failed");
-                goto free_debugfs;
+                goto free_firmware;
         }
 
         if (nvgpu_is_enabled(g, NVGPU_PMU_RUN_PREOS)) {
                 err = gp106_bios_preos(g);
                 if (err) {
                         nvgpu_err(g, "pre-os failed");
-                        goto free_debugfs;
+                        goto free_firmware;
                 }
         }
         g->bios_is_init = true;
 
         return 0;
-free_debugfs:
-#ifdef CONFIG_DEBUG_FS
-        debugfs_remove(d);
-#endif
 free_firmware:
         if (g->bios.data)
                 nvgpu_vfree(g, g->bios.data);