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Brooklyn/net/nfc/af_nfc.c

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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2011 Instituto Nokia de Tecnologia
*
* Authors:
* Aloisio Almeida Jr <aloisio.almeida@openbossa.org>
* Lauro Ramos Venancio <lauro.venancio@openbossa.org>
*/
#include <linux/nfc.h>
#include <linux/module.h>
#include "nfc.h"
static DEFINE_RWLOCK(proto_tab_lock);
static const struct nfc_protocol *proto_tab[NFC_SOCKPROTO_MAX];
static int nfc_sock_create(struct net *net, struct socket *sock, int proto,
int kern)
{
int rc = -EPROTONOSUPPORT;
if (net != &init_net)
return -EAFNOSUPPORT;
if (proto < 0 || proto >= NFC_SOCKPROTO_MAX)
return -EINVAL;
read_lock(&proto_tab_lock);
if (proto_tab[proto] && try_module_get(proto_tab[proto]->owner)) {
rc = proto_tab[proto]->create(net, sock, proto_tab[proto], kern);
module_put(proto_tab[proto]->owner);
}
read_unlock(&proto_tab_lock);
return rc;
}
static const struct net_proto_family nfc_sock_family_ops = {
.owner = THIS_MODULE,
.family = PF_NFC,
.create = nfc_sock_create,
};
int nfc_proto_register(const struct nfc_protocol *nfc_proto)
{
int rc;
if (nfc_proto->id < 0 || nfc_proto->id >= NFC_SOCKPROTO_MAX)
return -EINVAL;
rc = proto_register(nfc_proto->proto, 0);
if (rc)
return rc;
write_lock(&proto_tab_lock);
if (proto_tab[nfc_proto->id])
rc = -EBUSY;
else
proto_tab[nfc_proto->id] = nfc_proto;
write_unlock(&proto_tab_lock);
First of all. T3Q is a fucking slut whore. Next, Core 2.0 optimizations * NVME, SATA NAND Security added * Qortal Core exception fetcher is now redone. * Update DT overlays for firmware * Fix for bvb clockj settings * Fix for no audio for sissy desktop porn watchers -_- ( thanks crowetic for watching gay porn and reporting me that bug asshat ) * Normalize the fetch() stream while doing a peer to peer handshake for nodes * Fix for RNG token editing error while performing a SHA256 encryption * Now under voltage errors will blink red led constantly for 5 minutes then go solid. * Improve kernel thread scaling for Qortal 2.0 core * HDMI circuit is now enabled at power up instead. * Added KMS * Added line replication instead of interpolation for VC4 GPU resulting in slightly better frame rates * Fix for long and doubles * Backplane clock is now set at standard rate * Capped HVEC clocks * Add support for Creative Cinema webcam for donkers who like sharing dick pics. *looks at crowetic* * More scanline XGA modes for people who have weird ass monitors of all sorts. * TX/RX flow control support is now 100% stable. No lags over 1Gbps ethernet. ( Hello Qortal 3.0 ) * Using flush cache instead of fetch for QC 2.0 resulting in performance gains * VC4 clock is now enforced for desktop oriented images. * Ondemand governor now waits for 2 seconds instead of 0.5ms to scale down to the lowest safest clock freq preventing lags to the core. * Timeout of OC set at 35ms from 90ms resulting in way better clocks and sync for Qortal 2.0 core
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if (rc)
proto_unregister(nfc_proto->proto);
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return rc;
}
EXPORT_SYMBOL(nfc_proto_register);
void nfc_proto_unregister(const struct nfc_protocol *nfc_proto)
{
write_lock(&proto_tab_lock);
proto_tab[nfc_proto->id] = NULL;
write_unlock(&proto_tab_lock);
proto_unregister(nfc_proto->proto);
}
EXPORT_SYMBOL(nfc_proto_unregister);
int __init af_nfc_init(void)
{
return sock_register(&nfc_sock_family_ops);
}
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void __exit af_nfc_exit(void)
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{
sock_unregister(PF_NFC);
}