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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On Thu, Sep 25, 2025 at 09:38:06AM +0800, Xiaolei Wang wrote: > Initialize priv->lock to fix the following warning. > > WARNING: CPU: 0 PID: 12 at kernel/locking/mutex.c:577 __mutex_lock+0x70c/0x8b8 > Modules linked in: > Hardware name: Freescale i.MX8QM MEK (DT) > Call trace: > __mutex_lock+0x70c/0x8b8 (P) > mutex_lock_nested+0x24/0x30 > imx_hsio_power_on+0x4c/0x764 > phy_power_on+0x7c/0x12c > imx_pcie_host_init+0x1d0/0x4d4 > dw_pcie_host_init+0x188/0x4b0 > imx_pcie_probe+0x324/0x6f4 > platform_probe+0x5c/0x98 > really_probe+0xbc/0x29c > __driver_probe_device+0x78/0x12c > driver_probe_device+0xd8/0x160 > __device_attach_driver+0xb8/0x138 > bus_for_each_drv+0x84/0xe4 > __device_attach_async_helper+0xb8/0xdc > async_run_entry_fn+0x34/0xe0 > process_one_work+0x220/0x694 > worker_thread+0x1c0/0x36c > kthread+0x14c/0x224 > > Fixes: 82c56b6dd24f ("phy: freescale: imx8qm-hsio: Add i.MX8QM HSIO PHY driver support") > Signed-off-by: Xiaolei Wang > --- Reviewed-by: Frank Li > v1: https://patchwork.kernel.org/project/imx/patch/20250923141611.1295395-1-xiaolei.wang@windriver.com/ > > v2: Use devm_mutex_init() instead of mutex_init() > > drivers/phy/freescale/phy-fsl-imx8qm-hsio.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/drivers/phy/freescale/phy-fsl-imx8qm-hsio.c b/drivers/phy/freescale/phy-fsl-imx8qm-hsio.c > index 5dca93cd325c..977d21d753a5 100644 > --- a/drivers/phy/freescale/phy-fsl-imx8qm-hsio.c > +++ b/drivers/phy/freescale/phy-fsl-imx8qm-hsio.c > @@ -533,7 +533,7 @@ static struct phy *imx_hsio_xlate(struct device *dev, > > static int imx_hsio_probe(struct platform_device *pdev) > { > - int i; > + int i, ret; > void __iomem *off; > struct device *dev = &pdev->dev; > struct device_node *np = dev->of_node; > @@ -545,6 +545,9 @@ static int imx_hsio_probe(struct platform_device *pdev) > return -ENOMEM; > priv->dev = &pdev->dev; > priv->drvdata = of_device_get_match_data(dev); > + ret = devm_mutex_init(dev, &priv->lock); > + if (ret) > + return ret; > > /* Get HSIO configuration mode */ > if (of_property_read_string(np, "fsl,hsio-cfg", &priv->hsio_cfg)) > -- > 2.43.0 > -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy