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rename: _request_firmware_load() fw_load_sysfs_fallback() 

This reflects much clearer what is being done.
While at it, kdoc'ify it.

Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Luis R. Rodriguez 2018-03-10 06:14:55 -08:00 committed by Greg Kroah-Hartman
parent b3cf21fae1
commit 60fa74263c
2 changed files with 11 additions and 4 deletions
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2
Documentation/driver-api/firmware/fallback-mechanisms.rst
View File

@ -112,7 +112,7 @@ Since a device is created for the sysfs interface to help load firmware as a
fallback mechanism userspace can be informed of the addition of the device by
relying on kobject uevents. The addition of the device into the device
hierarchy means the fallback mechanism for firmware loading has been initiated.
For details of implementation refer to _request_firmware_load(), in particular
For details of implementation refer to fw_load_sysfs_fallback(), in particular
on the use of dev_set_uevent_suppress() and kobject_uevent().
The kernel's kobject uevent mechanism is implemented in lib/kobject_uevent.c,

13
drivers/base/firmware_loader/fallback.c
View File

@ -535,8 +535,15 @@ fw_create_instance(struct firmware *firmware, const char *fw_name,
return fw_sysfs;
}
/* load a firmware via user helper */
static int _request_firmware_load(struct fw_sysfs *fw_sysfs,
/**
* fw_load_sysfs_fallback - load a firmware via the syfs fallback mechanism
* @fw_sysfs: firmware syfs information for the firmware to load
* @opt_flags: flags of options, FW_OPT_*
* @timeout: timeout to wait for the load
*
* In charge of constructing a sysfs fallback interface for firmware loading.
**/
static int fw_load_sysfs_fallback(struct fw_sysfs *fw_sysfs,
unsigned int opt_flags, long timeout)
{
int retval = 0;
@ -621,7 +628,7 @@ static int fw_load_from_user_helper(struct firmware *firmware,
}
fw_sysfs->fw_priv = firmware->priv;
ret = _request_firmware_load(fw_sysfs, opt_flags, timeout);
ret = fw_load_sysfs_fallback(fw_sysfs, opt_flags, timeout);
if (!ret)
ret = assign_fw(firmware, device, opt_flags);