Revision e5467b672bd99f0c1904900013e778e3a5ce30b7 authored by Marek BehĂșn on 15 September 2020, 00:54:26 UTC, committed by Rob Herring on 16 September 2020, 03:03:07 UTC
There is a bug in the device tree binding for cznic,turris-omnia-leds which causes make dt_binding_check to complain. The reason is that the multi-led property binding's regular expression does not contain the `@` character, while the example nodes do. Fix this, and also adjust the maximum address to 'b' as there are 12 LEDs. Cc: Rob Herring <robh+dt@kernel.org> Cc: devicetree@vger.kernel.org Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: Marek BehĂșn <marek.behun@nic.cz> Link: https://lore.kernel.org/r/20200915005426.15957-1-marek.behun@nic.cz Signed-off-by: Rob Herring <robh@kernel.org>
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devres.c
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* This file contains all networking devres helpers.
*/
#include <linux/device.h>
#include <linux/etherdevice.h>
#include <linux/netdevice.h>
struct net_device_devres {
struct net_device *ndev;
};
static void devm_free_netdev(struct device *dev, void *this)
{
struct net_device_devres *res = this;
free_netdev(res->ndev);
}
struct net_device *devm_alloc_etherdev_mqs(struct device *dev, int sizeof_priv,
unsigned int txqs, unsigned int rxqs)
{
struct net_device_devres *dr;
dr = devres_alloc(devm_free_netdev, sizeof(*dr), GFP_KERNEL);
if (!dr)
return NULL;
dr->ndev = alloc_etherdev_mqs(sizeof_priv, txqs, rxqs);
if (!dr->ndev) {
devres_free(dr);
return NULL;
}
devres_add(dev, dr);
return dr->ndev;
}
EXPORT_SYMBOL(devm_alloc_etherdev_mqs);
static void devm_unregister_netdev(struct device *dev, void *this)
{
struct net_device_devres *res = this;
unregister_netdev(res->ndev);
}
static int netdev_devres_match(struct device *dev, void *this, void *match_data)
{
struct net_device_devres *res = this;
struct net_device *ndev = match_data;
return ndev == res->ndev;
}
/**
* devm_register_netdev - resource managed variant of register_netdev()
* @dev: managing device for this netdev - usually the parent device
* @ndev: device to register
*
* This is a devres variant of register_netdev() for which the unregister
* function will be call automatically when the managing device is
* detached. Note: the net_device used must also be resource managed by
* the same struct device.
*/
int devm_register_netdev(struct device *dev, struct net_device *ndev)
{
struct net_device_devres *dr;
int ret;
/* struct net_device must itself be managed. For now a managed netdev
* can only be allocated by devm_alloc_etherdev_mqs() so the check is
* straightforward.
*/
if (WARN_ON(!devres_find(dev, devm_free_netdev,
netdev_devres_match, ndev)))
return -EINVAL;
dr = devres_alloc(devm_unregister_netdev, sizeof(*dr), GFP_KERNEL);
if (!dr)
return -ENOMEM;
ret = register_netdev(ndev);
if (ret) {
devres_free(dr);
return ret;
}
dr->ndev = ndev;
devres_add(ndev->dev.parent, dr);
return 0;
}
EXPORT_SYMBOL(devm_register_netdev);
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