netdev - [PATCH net-next 2/2] dpaa2-eth: name the debugfs directory after the DPNI object

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Message-Id: <20210521132530.2784829-3-ciorneiioana@gmail.com>
Date:   Fri, 21 May 2021 16:25:30 +0300
From:   Ioana Ciornei <ciorneiioana@...il.com>
To:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org
Cc:     Ioana Ciornei <ioana.ciornei@....com>
Subject: [PATCH net-next 2/2] dpaa2-eth: name the debugfs directory after the DPNI object

From: Ioana Ciornei <ioana.ciornei@....com>

Name the debugfs directory after the DPNI object instead of the netdev
name since this can be changed after probe by udev rules.

Signed-off-by: Ioana Ciornei <ioana.ciornei@....com>
---
 drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c
index b87db0846e10..8356af4631fd 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c
@@ -121,10 +121,14 @@ DEFINE_SHOW_ATTRIBUTE(dpaa2_dbg_ch);
 
 void dpaa2_dbg_add(struct dpaa2_eth_priv *priv)
 {
+	struct fsl_mc_device *dpni_dev;
 	struct dentry *dir;
+	char name[10];
 
 	/* Create a directory for the interface */
-	dir = debugfs_create_dir(priv->net_dev->name, dpaa2_dbg_root);
+	dpni_dev = to_fsl_mc_device(priv->net_dev->dev.parent);
+	snprintf(name, 10, "dpni.%d", dpni_dev->obj_desc.id);
+	dir = debugfs_create_dir(name, dpaa2_dbg_root);
 	priv->dbg.dir = dir;
 
 	/* per-cpu stats file */
-- 
2.31.1