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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-08 16:58:07 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-08 16:58:07 +0000
commit5a6d13c86f2fe6304450e907fc1d8d72da82efef (patch)
tree1bd4e8854203c575eabaa99e2c509f8886065733 /drivers/hwmon/coretemp.c
parentAdding upstream version 6.1.76. (diff)
downloadlinux-84c1f1a2669300eff95517b777594aca7cc3ee5a.tar.xz
linux-84c1f1a2669300eff95517b777594aca7cc3ee5a.zip
Adding upstream version 6.1.82.upstream/6.1.82
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/hwmon/coretemp.c')
-rw-r--r--drivers/hwmon/coretemp.c42
1 files changed, 22 insertions, 20 deletions
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index 09aab5859..c0aa6bfa6 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -40,7 +40,7 @@ MODULE_PARM_DESC(tjmax, "TjMax value in degrees Celsius");
#define PKG_SYSFS_ATTR_NO 1 /* Sysfs attribute for package temp */
#define BASE_SYSFS_ATTR_NO 2 /* Sysfs Base attr no for coretemp */
-#define NUM_REAL_CORES 128 /* Number of Real cores per cpu */
+#define NUM_REAL_CORES 512 /* Number of Real cores per cpu */
#define CORETEMP_NAME_LENGTH 28 /* String Length of attrs */
#define MAX_CORE_ATTRS 4 /* Maximum no of basic attrs */
#define TOTAL_ATTRS (MAX_CORE_ATTRS + 1)
@@ -380,7 +380,7 @@ static int get_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev)
}
static int create_core_attrs(struct temp_data *tdata, struct device *dev,
- int attr_no)
+ int index)
{
int i;
static ssize_t (*const rd_ptr[TOTAL_ATTRS]) (struct device *dev,
@@ -392,13 +392,20 @@ static int create_core_attrs(struct temp_data *tdata, struct device *dev,
};
for (i = 0; i < tdata->attr_size; i++) {
+ /*
+ * We map the attr number to core id of the CPU
+ * The attr number is always core id + 2
+ * The Pkgtemp will always show up as temp1_*, if available
+ */
+ int attr_no = tdata->is_pkg_data ? 1 : tdata->cpu_core_id + 2;
+
snprintf(tdata->attr_name[i], CORETEMP_NAME_LENGTH,
"temp%d_%s", attr_no, suffixes[i]);
sysfs_attr_init(&tdata->sd_attrs[i].dev_attr.attr);
tdata->sd_attrs[i].dev_attr.attr.name = tdata->attr_name[i];
tdata->sd_attrs[i].dev_attr.attr.mode = 0444;
tdata->sd_attrs[i].dev_attr.show = rd_ptr[i];
- tdata->sd_attrs[i].index = attr_no;
+ tdata->sd_attrs[i].index = index;
tdata->attrs[i] = &tdata->sd_attrs[i].dev_attr.attr;
}
tdata->attr_group.attrs = tdata->attrs;
@@ -456,27 +463,22 @@ static int create_core_data(struct platform_device *pdev, unsigned int cpu,
struct platform_data *pdata = platform_get_drvdata(pdev);
struct cpuinfo_x86 *c = &cpu_data(cpu);
u32 eax, edx;
- int err, index, attr_no;
+ int err, index;
/*
- * Find attr number for sysfs:
- * We map the attr number to core id of the CPU
- * The attr number is always core id + 2
- * The Pkgtemp will always show up as temp1_*, if available
+ * Get the index of tdata in pdata->core_data[]
+ * tdata for package: pdata->core_data[1]
+ * tdata for core: pdata->core_data[2] .. pdata->core_data[NUM_REAL_CORES + 1]
*/
if (pkg_flag) {
- attr_no = PKG_SYSFS_ATTR_NO;
+ index = PKG_SYSFS_ATTR_NO;
} else {
- index = ida_alloc(&pdata->ida, GFP_KERNEL);
+ index = ida_alloc_max(&pdata->ida, NUM_REAL_CORES - 1, GFP_KERNEL);
if (index < 0)
return index;
- pdata->cpu_map[index] = topology_core_id(cpu);
- attr_no = index + BASE_SYSFS_ATTR_NO;
- }
- if (attr_no > MAX_CORE_DATA - 1) {
- err = -ERANGE;
- goto ida_free;
+ pdata->cpu_map[index] = topology_core_id(cpu);
+ index += BASE_SYSFS_ATTR_NO;
}
tdata = init_temp_data(cpu, pkg_flag);
@@ -508,20 +510,20 @@ static int create_core_data(struct platform_device *pdev, unsigned int cpu,
}
}
- pdata->core_data[attr_no] = tdata;
+ pdata->core_data[index] = tdata;
/* Create sysfs interfaces */
- err = create_core_attrs(tdata, pdata->hwmon_dev, attr_no);
+ err = create_core_attrs(tdata, pdata->hwmon_dev, index);
if (err)
goto exit_free;
return 0;
exit_free:
- pdata->core_data[attr_no] = NULL;
+ pdata->core_data[index] = NULL;
kfree(tdata);
ida_free:
if (!pkg_flag)
- ida_free(&pdata->ida, index);
+ ida_free(&pdata->ida, index - BASE_SYSFS_ATTR_NO);
return err;
}