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path: root/drivers/edac/edac_mc_sysfs.c
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Diffstat (limited to 'drivers/edac/edac_mc_sysfs.c')
-rw-r--r--drivers/edac/edac_mc_sysfs.c64
1 files changed, 35 insertions, 29 deletions
diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c
index 5899a76eec3..01fae8289cf 100644
--- a/drivers/edac/edac_mc_sysfs.c
+++ b/drivers/edac/edac_mc_sysfs.c
@@ -7,7 +7,7 @@
*
* Written Doug Thompson <norsk5@xmission.com> www.softwarebitmaker.com
*
- * (c) 2012-2013 - Mauro Carvalho Chehab <mchehab@redhat.com>
+ * (c) 2012-2013 - Mauro Carvalho Chehab
* The entire API were re-written, and ported to use struct device
*
*/
@@ -52,16 +52,20 @@ int edac_mc_get_poll_msec(void)
static int edac_set_poll_msec(const char *val, struct kernel_param *kp)
{
- long l;
+ unsigned long l;
int ret;
if (!val)
return -EINVAL;
- ret = strict_strtol(val, 0, &l);
- if (ret == -EINVAL || ((int)l != l))
+ ret = kstrtoul(val, 0, &l);
+ if (ret)
+ return ret;
+
+ if (l < 1000)
return -EINVAL;
- *((int *)kp->arg) = l;
+
+ *((unsigned long *)kp->arg) = l;
/* notify edac_mc engine to reset the poll period */
edac_mc_reset_delay_period(l);
@@ -87,7 +91,7 @@ static struct device *mci_pdev;
/*
* various constants for Memory Controllers
*/
-static const char *mem_types[] = {
+static const char * const mem_types[] = {
[MEM_EMPTY] = "Empty",
[MEM_RESERVED] = "Reserved",
[MEM_UNKNOWN] = "Unknown",
@@ -107,7 +111,7 @@ static const char *mem_types[] = {
[MEM_RDDR3] = "Registered-DDR3"
};
-static const char *dev_types[] = {
+static const char * const dev_types[] = {
[DEV_UNKNOWN] = "Unknown",
[DEV_X1] = "x1",
[DEV_X2] = "x2",
@@ -118,7 +122,7 @@ static const char *dev_types[] = {
[DEV_X64] = "x64"
};
-static const char *edac_caps[] = {
+static const char * const edac_caps[] = {
[EDAC_UNKNOWN] = "Unknown",
[EDAC_NONE] = "None",
[EDAC_RESERVED] = "Reserved",
@@ -327,17 +331,17 @@ static struct device_attribute *dynamic_csrow_dimm_attr[] = {
};
/* possible dynamic channel ce_count attribute files */
-DEVICE_CHANNEL(ch0_ce_count, S_IRUGO | S_IWUSR,
+DEVICE_CHANNEL(ch0_ce_count, S_IRUGO,
channel_ce_count_show, NULL, 0);
-DEVICE_CHANNEL(ch1_ce_count, S_IRUGO | S_IWUSR,
+DEVICE_CHANNEL(ch1_ce_count, S_IRUGO,
channel_ce_count_show, NULL, 1);
-DEVICE_CHANNEL(ch2_ce_count, S_IRUGO | S_IWUSR,
+DEVICE_CHANNEL(ch2_ce_count, S_IRUGO,
channel_ce_count_show, NULL, 2);
-DEVICE_CHANNEL(ch3_ce_count, S_IRUGO | S_IWUSR,
+DEVICE_CHANNEL(ch3_ce_count, S_IRUGO,
channel_ce_count_show, NULL, 3);
-DEVICE_CHANNEL(ch4_ce_count, S_IRUGO | S_IWUSR,
+DEVICE_CHANNEL(ch4_ce_count, S_IRUGO,
channel_ce_count_show, NULL, 4);
-DEVICE_CHANNEL(ch5_ce_count, S_IRUGO | S_IWUSR,
+DEVICE_CHANNEL(ch5_ce_count, S_IRUGO,
channel_ce_count_show, NULL, 5);
/* Total possible dynamic ce_count attribute file table */
@@ -370,7 +374,7 @@ static int edac_create_csrow_object(struct mem_ctl_info *mci,
return -ENODEV;
csrow->dev.type = &csrow_attr_type;
- csrow->dev.bus = &mci->bus;
+ csrow->dev.bus = mci->bus;
device_initialize(&csrow->dev);
csrow->dev.parent = &mci->dev;
csrow->mci = mci;
@@ -605,7 +609,7 @@ static int edac_create_dimm_object(struct mem_ctl_info *mci,
dimm->mci = mci;
dimm->dev.type = &dimm_attr_type;
- dimm->dev.bus = &mci->bus;
+ dimm->dev.bus = mci->bus;
device_initialize(&dimm->dev);
dimm->dev.parent = &mci->dev;
@@ -678,7 +682,7 @@ static ssize_t mci_sdram_scrub_rate_store(struct device *dev,
unsigned long bandwidth = 0;
int new_bw = 0;
- if (strict_strtoul(data, 10, &bandwidth) < 0)
+ if (kstrtoul(data, 10, &bandwidth) < 0)
return -EINVAL;
new_bw = mci->set_sdram_scrub_rate(mci, bandwidth);
@@ -912,7 +916,7 @@ void __exit edac_debugfs_exit(void)
debugfs_remove(edac_debugfs);
}
-int edac_create_debug_nodes(struct mem_ctl_info *mci)
+static int edac_create_debug_nodes(struct mem_ctl_info *mci)
{
struct dentry *d, *parent;
char name[80];
@@ -975,11 +979,13 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci)
* The memory controller needs its own bus, in order to avoid
* namespace conflicts at /sys/bus/edac.
*/
- mci->bus.name = kasprintf(GFP_KERNEL, "mc%d", mci->mc_idx);
- if (!mci->bus.name)
+ mci->bus->name = kasprintf(GFP_KERNEL, "mc%d", mci->mc_idx);
+ if (!mci->bus->name)
return -ENOMEM;
- edac_dbg(0, "creating bus %s\n", mci->bus.name);
- err = bus_register(&mci->bus);
+
+ edac_dbg(0, "creating bus %s\n", mci->bus->name);
+
+ err = bus_register(mci->bus);
if (err < 0)
return err;
@@ -988,7 +994,7 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci)
device_initialize(&mci->dev);
mci->dev.parent = mci_pdev;
- mci->dev.bus = &mci->bus;
+ mci->dev.bus = mci->bus;
dev_set_name(&mci->dev, "mc%d", mci->mc_idx);
dev_set_drvdata(&mci->dev, mci);
pm_runtime_forbid(&mci->dev);
@@ -997,8 +1003,8 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci)
err = device_add(&mci->dev);
if (err < 0) {
edac_dbg(1, "failure: create device %s\n", dev_name(&mci->dev));
- bus_unregister(&mci->bus);
- kfree(mci->bus.name);
+ bus_unregister(mci->bus);
+ kfree(mci->bus->name);
return err;
}
@@ -1064,8 +1070,8 @@ fail:
}
fail2:
device_unregister(&mci->dev);
- bus_unregister(&mci->bus);
- kfree(mci->bus.name);
+ bus_unregister(mci->bus);
+ kfree(mci->bus->name);
return err;
}
@@ -1098,8 +1104,8 @@ void edac_unregister_sysfs(struct mem_ctl_info *mci)
{
edac_dbg(1, "Unregistering device %s\n", dev_name(&mci->dev));
device_unregister(&mci->dev);
- bus_unregister(&mci->bus);
- kfree(mci->bus.name);
+ bus_unregister(mci->bus);
+ kfree(mci->bus->name);
}
static void mc_attr_release(struct device *dev)