drm/amdgpu: remove per obj debugfs write

there is ras_control node which can do its job.

Signed-off-by: xinhui pan <xinhui.pan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 1e243e16c56040fb2e8ba204e30997b994b3c547..469cb6477b8e294f273d1c647f7031127cf1dcf3 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -157,50 +157,10 @@ static ssize_t amdgpu_ras_debugfs_read(struct file *f, char __user *buf,
        return s;
 }
 
-static ssize_t amdgpu_ras_debugfs_write(struct file *f, const char __user *buf,
-               size_t size, loff_t *pos)
-{
-       struct ras_manager *obj = (struct ras_manager *)file_inode(f)->i_private;
-       struct ras_inject_if info = {
-               .head = obj->head,
-       };
-       ssize_t s = min_t(u64, 64, size);
-       char val[64];
-       char *str = val;
-       memset(val, 0, sizeof(val));
-
-       if (*pos)
-               return -EINVAL;
-
-       if (copy_from_user(str, buf, s))
-               return -EINVAL;
-
-       /* only care ue/ce for now. */
-       if (memcmp(str, "ue", 2) == 0) {
-               info.head.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
-               str += 2;
-       } else if (memcmp(str, "ce", 2) == 0) {
-               info.head.type = AMDGPU_RAS_ERROR__SINGLE_CORRECTABLE;
-               str += 2;
-       }
-
-       if (sscanf(str, "0x%llx 0x%llx", &info.address, &info.value) != 2) {
-               if (sscanf(str, "%llu %llu", &info.address, &info.value) != 2)
-                       return -EINVAL;
-       }
-
-       *pos = s;
-
-       if (amdgpu_ras_error_inject(obj->adev, &info))
-               return -EINVAL;
-
-       return size;
-}
-
 static const struct file_operations amdgpu_ras_debugfs_ops = {
        .owner = THIS_MODULE,
        .read = amdgpu_ras_debugfs_read,
-       .write = amdgpu_ras_debugfs_write,
+       .write = NULL,
        .llseek = default_llseek
 };