[PATCH 3/4] soc: amlogic: meson-gx-socinfo: export socinfo for use in other modules
Viacheslav Bocharov
adeep at lexina.in
Thu Nov 2 00:49:15 PDT 2023
Move socinfo variable to global scope and export it as meson_gx_socinfo.
Signed-off-by: Viacheslav Bocharov <adeep at lexina.in>
---
drivers/soc/amlogic/meson-gx-socinfo.c | 34 +++++++++++++++-----------
1 file changed, 20 insertions(+), 14 deletions(-)
diff --git a/drivers/soc/amlogic/meson-gx-socinfo.c b/drivers/soc/amlogic/meson-gx-socinfo.c
index 6abb730344ab..0517f96a383b 100644
--- a/drivers/soc/amlogic/meson-gx-socinfo.c
+++ b/drivers/soc/amlogic/meson-gx-socinfo.c
@@ -24,6 +24,10 @@
#define SOCINFO_MINOR GENMASK(15, 8)
#define SOCINFO_MISC GENMASK(7, 0)
+
+unsigned int meson_gx_socinfo;
+EXPORT_SYMBOL(meson_gx_socinfo);
+
static const struct meson_gx_soc_id {
const char *name;
unsigned int id;
@@ -131,10 +135,10 @@ static int __init meson_gx_socinfo_init(void)
struct soc_device *soc_dev;
struct device_node *np;
struct regmap *regmap;
- unsigned int socinfo;
struct device *dev;
int ret;
+ meson_gx_socinfo = 0;
/* look up for chipid node */
np = of_find_compatible_node(NULL, NULL, "amlogic,meson-gx-ao-secure");
if (!np)
@@ -160,11 +164,13 @@ static int __init meson_gx_socinfo_init(void)
return -ENODEV;
}
- ret = regmap_read(regmap, AO_SEC_SOCINFO_OFFSET, &socinfo);
- if (ret < 0)
+ ret = regmap_read(regmap, AO_SEC_SOCINFO_OFFSET, &meson_gx_socinfo);
+ if (ret < 0) {
+ meson_gx_socinfo = 0;
return ret;
+ }
- if (!socinfo) {
+ if (!meson_gx_socinfo) {
pr_err("%s: invalid chipid value\n", __func__);
return -EINVAL;
}
@@ -175,13 +181,13 @@ static int __init meson_gx_socinfo_init(void)
soc_dev_attr->family = "Amlogic Meson";
soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%x:%x - %x:%x",
- socinfo_to_major(socinfo),
- socinfo_to_minor(socinfo),
- socinfo_to_pack(socinfo),
- socinfo_to_misc(socinfo));
+ socinfo_to_major(meson_gx_socinfo),
+ socinfo_to_minor(meson_gx_socinfo),
+ socinfo_to_pack(meson_gx_socinfo),
+ socinfo_to_misc(meson_gx_socinfo));
soc_dev_attr->soc_id = kasprintf(GFP_KERNEL, "%s (%s)",
- socinfo_to_soc_id(socinfo),
- socinfo_to_package_id(socinfo));
+ socinfo_to_soc_id(meson_gx_socinfo),
+ socinfo_to_package_id(meson_gx_socinfo));
soc_dev = soc_device_register(soc_dev_attr);
if (IS_ERR(soc_dev)) {
@@ -194,10 +200,10 @@ static int __init meson_gx_socinfo_init(void)
dev_info(dev, "Amlogic Meson %s Revision %x:%x (%x:%x) Detected\n",
soc_dev_attr->soc_id,
- socinfo_to_major(socinfo),
- socinfo_to_minor(socinfo),
- socinfo_to_pack(socinfo),
- socinfo_to_misc(socinfo));
+ socinfo_to_major(meson_gx_socinfo),
+ socinfo_to_minor(meson_gx_socinfo),
+ socinfo_to_pack(meson_gx_socinfo),
+ socinfo_to_misc(meson_gx_socinfo));
return 0;
}
--
2.34.1
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