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Signed-off-by: Peng Fan Reviewed-by: Frank Li --- drivers/soc/imx/soc-imx9.c | 28 +++++++++------------------- 1 file changed, 9 insertions(+), 19 deletions(-) diff --git a/drivers/soc/imx/soc-imx9.c b/drivers/soc/imx/soc-imx9.c index b46d22cf0212c3f40f61ec5be85ca11e5d3207ac..0b1c59c7ddb244549bfeedc47ae= 6e8d83c20b39b 100644 --- a/drivers/soc/imx/soc-imx9.c +++ b/drivers/soc/imx/soc-imx9.c @@ -18,6 +18,7 @@ =20 static int imx9_soc_probe(struct platform_device *pdev) { + struct device *dev =3D &pdev->dev; struct soc_device_attribute *attr; struct arm_smccc_res res; struct soc_device *sdev; @@ -25,17 +26,17 @@ static int imx9_soc_probe(struct platform_device *pdev) u64 uid127_64, uid63_0; int err; =20 - attr =3D kzalloc(sizeof(*attr), GFP_KERNEL); + attr =3D devm_kzalloc(dev, sizeof(*attr), GFP_KERNEL); if (!attr) return -ENOMEM; =20 err =3D of_property_read_string(of_root, "model", &attr->machine); if (err) { pr_err("%s: missing model property: %d\n", __func__, err); - goto attr; + return err; } =20 - attr->family =3D kasprintf(GFP_KERNEL, "Freescale i.MX"); + attr->family =3D devm_kasprintf(dev, GFP_KERNEL, "Freescale i.MX"); =20 /* * Retrieve the soc id, rev & uid info: @@ -47,39 +48,28 @@ static int imx9_soc_probe(struct platform_device *pdev) arm_smccc_smc(IMX_SIP_GET_SOC_INFO, 0, 0, 0, 0, 0, 0, 0, &res); if (res.a0 !=3D SMCCC_RET_SUCCESS) { pr_err("%s: SMC failed: 0x%lx\n", __func__, res.a0); - err =3D -EINVAL; - goto family; + return -EINVAL; } =20 soc_id =3D SOC_ID(res.a1); rev_major =3D SOC_REV_MAJOR(res.a1); rev_minor =3D SOC_REV_MINOR(res.a1); =20 - attr->soc_id =3D kasprintf(GFP_KERNEL, "i.MX%2x", soc_id); - attr->revision =3D kasprintf(GFP_KERNEL, "%d.%d", rev_major, rev_minor); + attr->soc_id =3D devm_kasprintf(dev, GFP_KERNEL, "i.MX%2x", soc_id); + attr->revision =3D devm_kasprintf(dev, GFP_KERNEL, "%d.%d", rev_major, re= v_minor); =20 uid127_64 =3D res.a2; uid63_0 =3D res.a3; - attr->serial_number =3D kasprintf(GFP_KERNEL, "%016llx%016llx", uid127_64= , uid63_0); + attr->serial_number =3D devm_kasprintf(dev, GFP_KERNEL, "%016llx%016llx",= uid127_64, uid63_0); =20 sdev =3D soc_device_register(attr); if (IS_ERR(sdev)) { err =3D PTR_ERR(sdev); pr_err("%s failed to register SoC as a device: %d\n", __func__, err); - goto serial_number; + return err; } =20 return 0; - -serial_number: - kfree(attr->serial_number); - kfree(attr->revision); - kfree(attr->soc_id); -family: - kfree(attr->family); -attr: - kfree(attr); - return err; } =20 static __maybe_unused const struct of_device_id imx9_soc_match[] =3D { --=20 2.37.1