gpu: nvgpu: Remove support for old kernel version

Remove support for pre-4.4 kernels. This allows deleting the checks
for kernel version, and usage of linux/version.h.

Change-Id: I4d6cb30512ea164d27549f4f4d096e5931bb1379
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1543499
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

2 files changed, 0 insertions, 9 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/css_vgpu.c b/drivers/gpu/nvgpu/vgpu/css_vgpu.c
index a06ca037..d14f0da3 100644
--- a/drivers/gpu/nvgpu/vgpu/css_vgpu.c
+++ b/drivers/gpu/nvgpu/vgpu/css_vgpu.c
@@ -68,11 +68,7 @@ static int vgpu_css_init_snapshot_buffer(struct gr_gk20a *gr)
                 goto fail;
         }
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 18, 0)
-        buf = ioremap_cached(css_cookie->ipa, css_cookie->size);
-#else
         buf = ioremap_cache(css_cookie->ipa, css_cookie->size);
-#endif
         if (!buf) {
                 nvgpu_info(g, "ioremap_cache failed");
                 err = -EINVAL;
diff --git a/drivers/gpu/nvgpu/vgpu/fecs_trace_vgpu.c b/drivers/gpu/nvgpu/vgpu/fecs_trace_vgpu.c
index 7cab4d1e..d201d596 100644
--- a/drivers/gpu/nvgpu/vgpu/fecs_trace_vgpu.c
+++ b/drivers/gpu/nvgpu/vgpu/fecs_trace_vgpu.c
@@ -14,7 +14,6 @@
 #include <linux/string.h>
 #include <linux/tegra-ivc.h>
 #include <linux/tegra_vgpu.h>
-#include <linux/version.h>
 
 #include <nvgpu/kmem.h>
 #include <nvgpu/bug.h>
@@ -69,11 +68,7 @@ static int vgpu_fecs_trace_init(struct gk20a *g)
                 goto fail;
         }
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(3,18,0)
-        vcst->buf = ioremap_cached(vcst->cookie->ipa, vcst->cookie->size);
-#else
         vcst->buf = ioremap_cache(vcst->cookie->ipa, vcst->cookie->size);
-#endif
         if (!vcst->buf) {
                 dev_info(dev_from_gk20a(g), "ioremap_cache failed\n");
                 err = -EINVAL;