[PATCH v2 4/7] soc: fsl: guts: allocate soc_dev_attr on the heap

[Michael Walle]

This is the last global static variable. Drop it and allocate the memory
on the heap instead.

Signed-off-by: Michael Walle <mich...@walle.cc>
---
 drivers/soc/fsl/guts.c | 36 +++++++++++++++++++-----------------
 1 file changed, 19 insertions(+), 17 deletions(-)

diff --git a/drivers/soc/fsl/guts.c b/drivers/soc/fsl/guts.c
index 4e5675ab5f73..f992064a7f58 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,
+       soc_dev_attr->soc_id = devm_kasprintf(dev, GFP_KERNEL,
                                             "svr:0x%08x", svr);
-       if (!soc_dev_attr.soc_id)
+       if (!soc_dev_attr->soc_id)
                return -ENOMEM;
-       soc_dev_attr.revision = devm_kasprintf(dev, GFP_KERNEL, "%d.%d",
+       soc_dev_attr->revision = devm_kasprintf(dev, GFP_KERNEL, "%d.%d",
                                               (svr >>  4) & 0xf, svr & 0xf);
-       if (!soc_dev_attr.revision)
+       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;
 }
 
-- 
2.30.2