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git://nv-tegra.nvidia.com/linux-nvgpu.git
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d4c375f00e
As per MISRA Rule-17.7, the return value of non-void functions must be used. Fix such violations in nvlink code by either checking the the return value or by changing the function to return void. JIRA NVGPU-1921 Change-Id: I955cc3bb38bea000e136eca444d8fde0f8ff6f72 Signed-off-by: Tejal Kudav <tkudav@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/2016069 Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
/*
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* Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <nvgpu/gk20a.h>
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#include <nvgpu/enabled.h>
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#include <nvgpu/nvlink_probe.h>
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int nvgpu_nvlink_probe(struct gk20a *g)
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{
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#ifdef CONFIG_TEGRA_NVLINK
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int err;
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err = nvgpu_nvlink_setup_ndev(g);
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if (err != 0) {
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return err;
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}
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err = nvgpu_nvlink_read_dt_props(g);
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if (err != 0) {
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goto free_ndev;
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}
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err = nvgpu_nvlink_init_ops(g);
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if (err != 0) {
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goto free_ndev;
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}
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/* Register device with core driver*/
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err = nvgpu_nvlink_register_device(g);
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if (err != 0) {
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nvgpu_err(g, "failed on nvlink device registration");
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goto free_ndev;
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}
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/* Register link with core driver */
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err = nvgpu_nvlink_register_link(g);
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if (err != 0) {
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nvgpu_err(g, "failed on nvlink link registration");
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goto unregister_ndev;
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}
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/* Enable NVLINK support */
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nvgpu_set_enabled(g, NVGPU_SUPPORT_NVLINK, true);
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return 0;
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unregister_ndev:
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err = nvgpu_nvlink_unregister_device(g);
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free_ndev:
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nvgpu_kfree(g, g->nvlink.priv);
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g->nvlink.priv = NULL;
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return err;
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#else
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return -ENODEV;
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#endif
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}
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