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Merge "icnss2: Add debugfs entry to update qmi timeout"

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qctecmdr 2021-09-28 15:11:50 -07:00 • committed by Gerrit - the friendly Code Review server
commit b1aa593514
1 changed files with 79 additions and 0 deletions
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79
drivers/soc/qcom/icnss2/debug.c
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@ -710,6 +710,83 @@ static const struct file_operations icnss_fw_debug_fops = {
.owner = THIS_MODULE,
.llseek = seq_lseek,
};
static ssize_t icnss_control_params_debug_write(struct file *fp,
const char __user *user_buf,
size_t count, loff_t *off)
{
struct icnss_priv *priv =
((struct seq_file *)fp->private_data)->private;
char buf[64];
char *sptr, *token;
char *cmd;
u32 val;
unsigned int len = 0;
const char *delim = " ";
if (!priv)
return -ENODEV;
len = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, len))
return -EINVAL;
buf[len] = '\0';
sptr = buf;
token = strsep(&sptr, delim);
if (!token)
return -EINVAL;
if (!sptr)
return -EINVAL;
cmd = token;
token = strsep(&sptr, delim);
if (!token)
return -EINVAL;
if (kstrtou32(token, 0, &val))
return -EINVAL;
if (strcmp(cmd, "qmi_timeout") == 0)
priv->ctrl_params.qmi_timeout = msecs_to_jiffies(val);
else
return -EINVAL;
return count;
}
static int icnss_control_params_debug_show(struct seq_file *s, void *data)
{
struct icnss_priv *priv = s->private;
seq_puts(s, "\nUsage: echo <params_name> <value> > <debugfs>/icnss/control_params\n");
seq_puts(s, "<params_name> can be from below:\n");
seq_puts(s, "qmi_timeout: Timeout for QMI message in milliseconds\n");
seq_puts(s, "\nCurrent value:\n");
seq_printf(s, "qmi_timeout: %u\n", priv->ctrl_params.qmi_timeout);
return 0;
}
static int icnss_control_params_debug_open(struct inode *inode,
struct file *file)
{
return single_open(file, icnss_control_params_debug_show,
inode->i_private);
}
static const struct file_operations icnss_control_params_debug_fops = {
.read = seq_read,
.write = icnss_control_params_debug_write,
.release = single_release,
.open = icnss_control_params_debug_open,
.owner = THIS_MODULE,
.llseek = seq_lseek,
};
#ifdef CONFIG_ICNSS2_DEBUG
int icnss_debugfs_create(struct icnss_priv *priv)
{
@ -734,6 +811,8 @@ int icnss_debugfs_create(struct icnss_priv *priv)
&icnss_regread_fops);
debugfs_create_file("reg_write", 0600, root_dentry, priv,
&icnss_regwrite_fops);
debugfs_create_file("control_params", 0600, root_dentry, priv,
&icnss_control_params_debug_fops);
out:
return ret;
}