diff options
Diffstat (limited to 'drivers/pinctrl/core.c')
| -rw-r--r-- | drivers/pinctrl/core.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index 2c0dbfcff3e6..d2b0329bc98a 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -1866,9 +1866,23 @@ static struct dentry *debugfs_root; static void pinctrl_init_device_debugfs(struct pinctrl_dev *pctldev) { struct dentry *device_root; + const char *debugfs_name; + + if (pctldev->desc->name && + strcmp(dev_name(pctldev->dev), pctldev->desc->name)) { + debugfs_name = devm_kasprintf(pctldev->dev, GFP_KERNEL, + "%s-%s", dev_name(pctldev->dev), + pctldev->desc->name); + if (!debugfs_name) { + pr_warn("failed to determine debugfs dir name for %s\n", + dev_name(pctldev->dev)); + return; + } + } else { + debugfs_name = dev_name(pctldev->dev); + } - device_root = debugfs_create_dir(dev_name(pctldev->dev), - debugfs_root); + device_root = debugfs_create_dir(debugfs_name, debugfs_root); pctldev->device_root = device_root; if (IS_ERR(device_root) || !device_root) { |