On 7/26/19 4:35 AM, Cezary Rojewski wrote:
On 2019-07-26 01:39, Pierre-Louis Bossart wrote:+static void intel_debugfs_init(struct sdw_intel *sdw) +{ + struct dentry *root = sdw->cdns.bus.debugfs; + + if (!root) + return; + + sdw->fs = debugfs_create_dir("intel-sdw", root); + if (IS_ERR_OR_NULL(sdw->fs)) { + dev_err(sdw->cdns.dev, "debugfs root creation failed\n"); + sdw->fs = NULL; + return; + } + + debugfs_create_file("intel-registers", 0400, sdw->fs, sdw, + &intel_reg_fops); + + sdw_cdns_debugfs_init(&sdw->cdns, sdw->fs); +}I believe there should be dummy equivalent of _init and _exit if debugfs is not enabled (if these are defined already and I've missed it, please ignore).
I think the direction is just to keep going if there is an error or debufs is not enabled.
+static void intel_debugfs_exit(struct sdw_intel *sdw) +{ + debugfs_remove_recursive(sdw->fs); +}
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