From 5d707e4e3fb5185b24a41d72f75599cc77afab61 Mon Sep 17 00:00:00 2001 From: Michael Walle Date: Mon, 4 Apr 2022 11:56:06 +0200 Subject: [PATCH] soc: fsl: guts: allocate soc_dev_attr on the heap This is the last global static variable. Drop it and allocate the memory on the heap instead. Signed-off-by: Michael Walle Acked-by: Arnd Bergmann Signed-off-by: Shawn Guo --- drivers/soc/fsl/guts.c | 40 +++++++++++++++++++++------------------- 1 file changed, 21 insertions(+), 19 deletions(-) diff --git a/drivers/soc/fsl/guts.c b/drivers/soc/fsl/guts.c index 4e5675a..44e7a9b 100644 --- a/drivers/soc/fsl/guts.c +++ b/drivers/soc/fsl/guts.c @@ -20,9 +20,6 @@ struct fsl_soc_die_attr { u32 mask; }; -static struct soc_device_attribute soc_dev_attr; - - /* SoC die attribute definition for QorIQ platform */ static const struct fsl_soc_die_attr fsl_soc_die[] = { /* @@ -116,6 +113,7 @@ static const struct fsl_soc_die_attr *fsl_soc_die_match( static int fsl_guts_probe(struct platform_device *pdev) { struct device_node *root, *np = pdev->dev.of_node; + struct soc_device_attribute *soc_dev_attr; static struct soc_device *soc_dev; struct device *dev = &pdev->dev; const struct fsl_soc_die_attr *soc_die; @@ -136,12 +134,16 @@ static int fsl_guts_probe(struct platform_device *pdev) iounmap(regs); /* Register soc device */ + soc_dev_attr = devm_kzalloc(dev, sizeof(*soc_dev_attr), GFP_KERNEL); + if (!soc_dev_attr) + return -ENOMEM; + root = of_find_node_by_path("/"); if (of_property_read_string(root, "model", &machine)) of_property_read_string_index(root, "compatible", 0, &machine); if (machine) { - soc_dev_attr.machine = devm_kstrdup(dev, machine, GFP_KERNEL); - if (!soc_dev_attr.machine) { + soc_dev_attr->machine = devm_kstrdup(dev, machine, GFP_KERNEL); + if (!soc_dev_attr->machine) { of_node_put(root); return -ENOMEM; } @@ -150,30 +152,30 @@ static int fsl_guts_probe(struct platform_device *pdev) soc_die = fsl_soc_die_match(svr, fsl_soc_die); if (soc_die) { - soc_dev_attr.family = devm_kasprintf(dev, GFP_KERNEL, - "QorIQ %s", soc_die->die); + soc_dev_attr->family = devm_kasprintf(dev, GFP_KERNEL, + "QorIQ %s", soc_die->die); } else { - soc_dev_attr.family = devm_kasprintf(dev, GFP_KERNEL, "QorIQ"); + soc_dev_attr->family = devm_kasprintf(dev, GFP_KERNEL, "QorIQ"); } - if (!soc_dev_attr.family) + if (!soc_dev_attr->family) return -ENOMEM; - soc_dev_attr.soc_id = devm_kasprintf(dev, GFP_KERNEL, - "svr:0x%08x", svr); - if (!soc_dev_attr.soc_id) + soc_dev_attr->soc_id = devm_kasprintf(dev, GFP_KERNEL, + "svr:0x%08x", svr); + if (!soc_dev_attr->soc_id) return -ENOMEM; - soc_dev_attr.revision = devm_kasprintf(dev, GFP_KERNEL, "%d.%d", - (svr >> 4) & 0xf, svr & 0xf); - if (!soc_dev_attr.revision) + soc_dev_attr->revision = devm_kasprintf(dev, GFP_KERNEL, "%d.%d", + (svr >> 4) & 0xf, svr & 0xf); + if (!soc_dev_attr->revision) return -ENOMEM; - soc_dev = soc_device_register(&soc_dev_attr); + soc_dev = soc_device_register(soc_dev_attr); if (IS_ERR(soc_dev)) return PTR_ERR(soc_dev); - pr_info("Machine: %s\n", soc_dev_attr.machine); - pr_info("SoC family: %s\n", soc_dev_attr.family); + pr_info("Machine: %s\n", soc_dev_attr->machine); + pr_info("SoC family: %s\n", soc_dev_attr->family); pr_info("SoC ID: %s, Revision: %s\n", - soc_dev_attr.soc_id, soc_dev_attr.revision); + soc_dev_attr->soc_id, soc_dev_attr->revision); return 0; } -- 2.7.4