diff options
| author | Alexander Usyskin <alexander.usyskin@intel.com> | 2016-02-08 00:35:38 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-08 01:47:20 +0300 |
| commit | f4e06246183f187d1327fdba18a797eb091a7d03 (patch) | |
| tree | 652e7e81d6983ac57152b70ad983b6a68941fff3 /drivers/misc/mei/debugfs.c | |
| parent | 06ee536bcb15ca12868289467762130fa0a426f3 (diff) | |
| download | linux-f4e06246183f187d1327fdba18a797eb091a7d03.tar.xz | |
mei: fixed address clients for the new platforms
Enable by default connection to fixed address clients
from user-space for skylake and newer platform.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/debugfs.c')
| -rw-r--r-- | drivers/misc/mei/debugfs.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/drivers/misc/mei/debugfs.c b/drivers/misc/mei/debugfs.c index 6bdd75424fe8..8ad406315741 100644 --- a/drivers/misc/mei/debugfs.c +++ b/drivers/misc/mei/debugfs.c @@ -176,6 +176,8 @@ static ssize_t mei_dbgfs_read_devstate(struct file *fp, char __user *ubuf, dev->hbm_f_dot_supported); pos += scnprintf(buf + pos, bufsz - pos, "\tEV: %01d\n", dev->hbm_f_ev_supported); + pos += scnprintf(buf + pos, bufsz - pos, "\tFA: %01d\n", + dev->hbm_f_fa_supported); } pos += scnprintf(buf + pos, bufsz - pos, "pg: %s, %s\n", @@ -191,6 +193,30 @@ static const struct file_operations mei_dbgfs_fops_devstate = { .llseek = generic_file_llseek, }; +static ssize_t mei_dbgfs_write_allow_fa(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct mei_device *dev; + int ret; + + dev = container_of(file->private_data, + struct mei_device, allow_fixed_address); + + ret = debugfs_write_file_bool(file, user_buf, count, ppos); + if (ret < 0) + return ret; + dev->override_fixed_address = true; + return ret; +} + +static const struct file_operations mei_dbgfs_fops_allow_fa = { + .open = simple_open, + .read = debugfs_read_file_bool, + .write = mei_dbgfs_write_allow_fa, + .llseek = generic_file_llseek, +}; + /** * mei_dbgfs_deregister - Remove the debugfs files and directories * @@ -240,8 +266,9 @@ int mei_dbgfs_register(struct mei_device *dev, const char *name) dev_err(dev->dev, "devstate: registration failed\n"); goto err; } - f = debugfs_create_bool("allow_fixed_address", S_IRUSR | S_IWUSR, dir, - &dev->allow_fixed_address); + f = debugfs_create_file("allow_fixed_address", S_IRUSR | S_IWUSR, dir, + &dev->allow_fixed_address, + &mei_dbgfs_fops_allow_fa); if (!f) { dev_err(dev->dev, "allow_fixed_address: registration failed\n"); goto err; |