mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Rosen Penev <rosenp@gmail.com>
To: netdev@vger.kernel.org
Cc: "Andrew Lunn" <andrew@lunn.ch>,
	"Vladimir Oltean" <olteanv@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	"Eric Dumazet" <edumazet@google.com>,
	"Jakub Kicinski" <kuba@kernel.org>,
	"Paolo Abeni" <pabeni@redhat.com>,
	"Clément Léger" <clement.leger@bootlin.com>,
	linux-kernel@vger.kernel.org (open list),
	linux-renesas-soc@vger.kernel.org (open list:RENESAS RZ/N1 A5PSW
	SWITCH DRIVER)
Subject: [PATCH 2/2] net: dsa: rzn1_a5psw: use devm to enable clocks
Date: Sun,  6 Jul 2025 17:39:18 -0700	[thread overview]
Message-ID: <20250707003918.21607-3-rosenp@gmail.com> (raw)
In-Reply-To: <20250707003918.21607-1-rosenp@gmail.com>

The remove function has these in the wrong order. The switch should be
unregistered last. Simpler to use devm so that the right thing is done.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
 drivers/net/dsa/rzn1_a5psw.c | 22 ++++------------------
 1 file changed, 4 insertions(+), 18 deletions(-)

diff --git a/drivers/net/dsa/rzn1_a5psw.c b/drivers/net/dsa/rzn1_a5psw.c
index df7466d4fe8f..1635255f58e4 100644
--- a/drivers/net/dsa/rzn1_a5psw.c
+++ b/drivers/net/dsa/rzn1_a5psw.c
@@ -1227,35 +1227,27 @@ static int a5psw_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	a5psw->hclk = devm_clk_get(dev, "hclk");
+	a5psw->hclk = devm_clk_get_enabled(dev, "hclk");
 	if (IS_ERR(a5psw->hclk)) {
 		dev_err(dev, "failed get hclk clock\n");
 		ret = PTR_ERR(a5psw->hclk);
 		goto free_pcs;
 	}
 
-	a5psw->clk = devm_clk_get(dev, "clk");
+	a5psw->clk = devm_clk_get_enabled(dev, "clk");
 	if (IS_ERR(a5psw->clk)) {
 		dev_err(dev, "failed get clk_switch clock\n");
 		ret = PTR_ERR(a5psw->clk);
 		goto free_pcs;
 	}
 
-	ret = clk_prepare_enable(a5psw->clk);
-	if (ret)
-		goto free_pcs;
-
-	ret = clk_prepare_enable(a5psw->hclk);
-	if (ret)
-		goto clk_disable;
-
 	mdio = of_get_available_child_by_name(dev->of_node, "mdio");
 	if (mdio) {
 		ret = a5psw_probe_mdio(a5psw, mdio);
 		of_node_put(mdio);
 		if (ret) {
 			dev_err(dev, "Failed to register MDIO: %d\n", ret);
-			goto hclk_disable;
+			goto free_pcs;
 		}
 	}
 
@@ -1269,15 +1261,11 @@ static int a5psw_probe(struct platform_device *pdev)
 	ret = dsa_register_switch(ds);
 	if (ret) {
 		dev_err(dev, "Failed to register DSA switch: %d\n", ret);
-		goto hclk_disable;
+		goto free_pcs;
 	}
 
 	return 0;
 
-hclk_disable:
-	clk_disable_unprepare(a5psw->hclk);
-clk_disable:
-	clk_disable_unprepare(a5psw->clk);
 free_pcs:
 	a5psw_pcs_free(a5psw);
 
@@ -1293,8 +1281,6 @@ static void a5psw_remove(struct platform_device *pdev)
 
 	dsa_unregister_switch(&a5psw->ds);
 	a5psw_pcs_free(a5psw);
-	clk_disable_unprepare(a5psw->hclk);
-	clk_disable_unprepare(a5psw->clk);
 }
 
 static void a5psw_shutdown(struct platform_device *pdev)
-- 
2.50.0


  parent reply	other threads:[~2025-07-07  0:39 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-07  0:39 [PATCH 0/2] net: dsa: rzn1_a5psw: add COMPILE_TEST Rosen Penev
2025-07-07  0:39 ` [PATCH 1/2] " Rosen Penev
2025-07-07  5:55   ` Andrew Lunn
2025-07-07  6:01     ` Andrew Lunn
2025-07-07 20:25   ` kernel test robot
2025-07-07 20:47     ` Rosen Penev
2025-07-07 21:33       ` Vladimir Oltean
2025-07-07  0:39 ` Rosen Penev [this message]
2025-07-07  5:56   ` [PATCH 2/2] net: dsa: rzn1_a5psw: use devm to enable clocks Andrew Lunn

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20250707003918.21607-3-rosenp@gmail.com \
    --to=rosenp@gmail.com \
    --cc=andrew@lunn.ch \
    --cc=clement.leger@bootlin.com \
    --cc=davem@davemloft.net \
    --cc=edumazet@google.com \
    --cc=kuba@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-renesas-soc@vger.kernel.org \
    --cc=netdev@vger.kernel.org \
    --cc=olteanv@gmail.com \
    --cc=pabeni@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®