From: Michael Walle <michael@walle.cc>
To: linuxppc-dev@lists.ozlabs.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: Li Yang <leoyang.li@nxp.com>,
Ulf Hansson <ulf.hansson@linaro.org>,
Sudeep Holla <Sudeep.Holla@arm.com>,
Arnd Bergmann <arnd@arndb.de>, Michael Walle <michael@walle.cc>
Subject: [PATCH v1 4/7] soc: fsl: guts: allocate soc_dev_attr on the heap
Date: Thu, 27 Jan 2022 17:41:22 +0100 [thread overview]
Message-ID: <20220127164125.3651285-5-michael@walle.cc> (raw)
In-Reply-To: <20220127164125.3651285-1-michael@walle.cc>
This is the last global static variable. Drop it and allocate the memory
on the heap instead.
Signed-off-by: Michael Walle <michael@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 536377988fb4..383b35a4ed58 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;
@@ -124,6 +122,10 @@ static int fsl_guts_probe(struct platform_device *pdev)
bool little_endian;
u32 svr;
+ soc_dev_attr = devm_kzalloc(dev, sizeof(*soc_dev_attr), GFP_KERNEL);
+ if (!soc_dev_attr)
+ return -ENOMEM;
+
little_endian = of_property_read_bool(np, "little-endian");
regs = of_iomap(np, 0);
@@ -141,8 +143,8 @@ static int fsl_guts_probe(struct platform_device *pdev)
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;
}
@@ -151,30 +153,30 @@ 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
next prev parent reply other threads:[~2022-01-27 16:41 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-27 16:41 [PATCH v1 0/7] soc: fsl: guts: cleanups and serial_number support Michael Walle
2022-01-27 16:41 ` [PATCH v1 1/7] soc: fsl: guts: machine variable might be unset Michael Walle
2022-01-27 16:41 ` [PATCH v1 2/7] soc: fsl: guts: remove module_exit() and fsl_guts_remove() Michael Walle
2022-01-27 16:41 ` [PATCH v1 3/7] soc: fsl: guts: embed fsl_guts_get_svr() in probe() Michael Walle
2022-01-27 16:41 ` Michael Walle [this message]
2022-01-27 16:41 ` [PATCH v1 5/7] soc: fsl: guts: use of_root instead of own reference Michael Walle
2022-01-27 16:41 ` [PATCH v1 6/7] soc: fsl: guts: drop platform driver Michael Walle
2022-01-27 16:41 ` [RFC PATCH v1 7/7] soc: fsl: guts: add serial_number support Michael Walle
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