diff options
Diffstat (limited to 'drivers/gpu/drm/drm_mipi_dbi.c')
| -rw-r--r-- | drivers/gpu/drm/drm_mipi_dbi.c | 33 |
1 files changed, 7 insertions, 26 deletions
diff --git a/drivers/gpu/drm/drm_mipi_dbi.c b/drivers/gpu/drm/drm_mipi_dbi.c index 558baf989f5a..bb27c82757f1 100644 --- a/drivers/gpu/drm/drm_mipi_dbi.c +++ b/drivers/gpu/drm/drm_mipi_dbi.c @@ -169,7 +169,8 @@ int mipi_dbi_command_buf(struct mipi_dbi *dbi, u8 cmd, u8 *data, size_t len) EXPORT_SYMBOL(mipi_dbi_command_buf); /* This should only be used by mipi_dbi_command() */ -int mipi_dbi_command_stackbuf(struct mipi_dbi *dbi, u8 cmd, u8 *data, size_t len) +int mipi_dbi_command_stackbuf(struct mipi_dbi *dbi, u8 cmd, const u8 *data, + size_t len) { u8 *buf; int ret; @@ -510,6 +511,10 @@ int mipi_dbi_dev_init_with_formats(struct mipi_dbi_dev *dbidev, if (!dbidev->dbi.command) return -EINVAL; + ret = drmm_mode_config_init(drm); + if (ret) + return ret; + dbidev->tx_buf = devm_kmalloc(drm->dev, tx_buf_size, GFP_KERNEL); if (!dbidev->tx_buf) return -ENOMEM; @@ -579,26 +584,6 @@ int mipi_dbi_dev_init(struct mipi_dbi_dev *dbidev, EXPORT_SYMBOL(mipi_dbi_dev_init); /** - * mipi_dbi_release - DRM driver release helper - * @drm: DRM device - * - * This function finalizes and frees &mipi_dbi. - * - * Drivers can use this as their &drm_driver->release callback. - */ -void mipi_dbi_release(struct drm_device *drm) -{ - struct mipi_dbi_dev *dbidev = drm_to_mipi_dbi_dev(drm); - - DRM_DEBUG_DRIVER("\n"); - - drm_mode_config_cleanup(drm); - drm_dev_fini(drm); - kfree(dbidev); -} -EXPORT_SYMBOL(mipi_dbi_release); - -/** * mipi_dbi_hw_reset - Hardware reset of controller * @dbi: MIPI DBI structure * @@ -1308,10 +1293,8 @@ static const struct file_operations mipi_dbi_debugfs_command_fops = { * controller or getting the read command values. * Drivers can use this as their &drm_driver->debugfs_init callback. * - * Returns: - * Zero on success, negative error code on failure. */ -int mipi_dbi_debugfs_init(struct drm_minor *minor) +void mipi_dbi_debugfs_init(struct drm_minor *minor) { struct mipi_dbi_dev *dbidev = drm_to_mipi_dbi_dev(minor->dev); umode_t mode = S_IFREG | S_IWUSR; @@ -1320,8 +1303,6 @@ int mipi_dbi_debugfs_init(struct drm_minor *minor) mode |= S_IRUGO; debugfs_create_file("command", mode, minor->debugfs_root, dbidev, &mipi_dbi_debugfs_command_fops); - - return 0; } EXPORT_SYMBOL(mipi_dbi_debugfs_init); |