diff mbox series

[v1,1/1] net: phy: mdio-mux-bcm-iproc: check clk_prepare_enable() return value

Message ID 20200317045435.29975-1-rayagonda.kokatanur@broadcom.com (mailing list archive)
State Mainlined
Commit 872307abbd0d9afd72171929806c2fa33dc34179
Headers show
Series [v1,1/1] net: phy: mdio-mux-bcm-iproc: check clk_prepare_enable() return value | expand

Commit Message

Rayagonda Kokatanur March 17, 2020, 4:54 a.m. UTC
Check clk_prepare_enable() return value.

Fixes: 2c7230446bc9 ("net: phy: Add pm support to Broadcom iProc mdio mux driver")
Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
---
 drivers/net/phy/mdio-mux-bcm-iproc.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

Comments

Andrew Lunn March 17, 2020, 9:29 a.m. UTC | #1
On Tue, Mar 17, 2020 at 10:24:35AM +0530, Rayagonda Kokatanur wrote:
> Check clk_prepare_enable() return value.
> 
> Fixes: 2c7230446bc9 ("net: phy: Add pm support to Broadcom iProc mdio mux driver")
> Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>

Reviewed-by: Andrew Lunn <andrew@lunn.ch>

    Andrew
David Miller March 18, 2020, 4:21 a.m. UTC | #2
From: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
Date: Tue, 17 Mar 2020 10:24:35 +0530

> Check clk_prepare_enable() return value.
> 
> Fixes: 2c7230446bc9 ("net: phy: Add pm support to Broadcom iProc mdio mux driver")
> Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>

Applied.
David Miller March 18, 2020, 4:23 a.m. UTC | #3
From: David Miller <davem@davemloft.net>
Date: Tue, 17 Mar 2020 21:21:27 -0700 (PDT)

> From: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
> Date: Tue, 17 Mar 2020 10:24:35 +0530
> 
>> Check clk_prepare_enable() return value.
>> 
>> Fixes: 2c7230446bc9 ("net: phy: Add pm support to Broadcom iProc mdio mux driver")
>> Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
> 
> Applied.

I also queued this up for -stable as well.
diff mbox series

Patch

diff --git a/drivers/net/phy/mdio-mux-bcm-iproc.c b/drivers/net/phy/mdio-mux-bcm-iproc.c
index 88d409e48c1f..aad6809ebe39 100644
--- a/drivers/net/phy/mdio-mux-bcm-iproc.c
+++ b/drivers/net/phy/mdio-mux-bcm-iproc.c
@@ -288,8 +288,13 @@  static int mdio_mux_iproc_suspend(struct device *dev)
 static int mdio_mux_iproc_resume(struct device *dev)
 {
 	struct iproc_mdiomux_desc *md = dev_get_drvdata(dev);
+	int rc;
 
-	clk_prepare_enable(md->core_clk);
+	rc = clk_prepare_enable(md->core_clk);
+	if (rc) {
+		dev_err(md->dev, "failed to enable core clk\n");
+		return rc;
+	}
 	mdio_mux_iproc_config(md);
 
 	return 0;