Thanks for the review Greg.
+static int cdns_hw_reset(void *data, u64 value) +{ + struct sdw_cdns *cdns = data; + int ret; + + if (value != 1) + return 0; + + dev_info(cdns->dev, "starting link hw_reset\n"); + + ret = sdw_cdns_exit_reset(cdns); + + dev_info(cdns->dev, "link hw_reset done\n");Do not be noisy for when things always go right. This looks like debuggging code, please remove.
yes, missed this in the cleanup, will remove.
+DEFINE_DEBUGFS_ATTRIBUTE(cdns_hw_reset_fops, NULL, cdns_hw_reset, "%llu\n"); + /** * sdw_cdns_debugfs_init() - Cadence debugfs init * @cdns: Cadence instance @@ -339,6 +358,9 @@ static const struct file_operations cdns_reg_fops = { void sdw_cdns_debugfs_init(struct sdw_cdns *cdns, struct dentry *root) { debugfs_create_file("cdns-registers", 0400, root, cdns, &cdns_reg_fops); + + debugfs_create_file_unsafe("cdns-hw-reset", 0200, root, cdns, + &cdns_hw_reset_fops);Why unsafe?
Dunno. I followed the documentation and my take-away, along with a number of examples, was to use _unsafe. I really have no idea if this is correct or not, I can remove this qualifier if that's not needed.
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