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No functional modification involved. drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c:2174: warning: expecting prototype for create_debufgs(). Prototype was for create_debugfs() instead. Reported-by: Abaci Robot <abaci at linux.alibaba.com> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=12292 Signed-off-by: Jiapeng Chong <jiapeng.chong at linux.alibaba.com> --- drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c | 2 +...

...don't see how I can just move "all this" to module_init and exit. The point is to keep the parent dentry around until the last GPU has shut down in r535_debugfs_shutdown(). Please tell me what you think module_init() and module_exit() will look like. > > +/** > > + * create_debufgs - create a blob debugfs entry > > + * @name: filename > > + * @parent: parent > > + * @blob: blob > > + * > > + * Creates a debugfs entry for a logging buffer with the name 'name'. > > + */ > > +static struct dentry *create_debugfs(struct nvkm_gsp...

...m_error(subdev, "libos print is too large (%u bytes)\n", > + rpc->libos_print_buf_size); > + return -E2BIG; > + } > + > + memcpy(gsp->blob_pmu.data, rpc->libos_print_buf, rpc->libos_print_buf_size); > + > + return 0; > +} > + > +/** > + * create_debufgs - create a blob debugfs entry > + * @name: filename > + * @parent: parent > + * @blob: blob > + * > + * Creates a debugfs entry for a logging buffer with the name 'name'. > + */ > +static struct dentry *create_debugfs(struct nvkm_gsp *gsp, const char *name, > +...

...c->libos_print_buf_size > GSP_PAGE_SIZE) { + nvkm_error(subdev, "libos print is too large (%u bytes)\n", + rpc->libos_print_buf_size); + return -E2BIG; + } + + memcpy(gsp->blob_pmu.data, rpc->libos_print_buf, rpc->libos_print_buf_size); + + return 0; +} + +/** + * create_debufgs - create a blob debugfs entry + * @gsp: gsp pointer + * @name: name of this dentry + * @blob: blob wrapper + * + * Creates a debugfs entry for a logging buffer with the name 'name'. + */ +static struct dentry *create_debugfs(struct nvkm_gsp *gsp, const char *name, + struct debugfs_...

Store the struct device pointer used to allocate the DMA buffer in the nvkm_gsp_mem object. This allows nvkm_gsp_mem_dtor() to release the buffer without needing the nvkm_gsp. This is needed so that we can retain DMA buffers even after the nvkm_gsp object is deleted. Signed-off-by: Timur Tabi <ttabi at nvidia.com> --- .../gpu/drm/nouveau/include/nvkm/subdev/gsp.h | 1 +

Store the struct device pointer used to allocate the DMA buffer in the nvkm_gsp_mem object. This allows nvkm_gsp_mem_dtor() to release the buffer without needing the nvkm_gsp. This is needed so that we can retain DMA buffers even after the nvkm_gsp object is deleted. Signed-off-by: Timur Tabi <ttabi at nvidia.com> --- .../gpu/drm/nouveau/include/nvkm/subdev/gsp.h | 1 +