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linux/drivers/tty/serial/8250/8250_pnp.c
Greg Kroah-Hartman 4793f2ebff tty: serial: Remove redundant license text 
Now that the SPDX tag is in all tty files, that identifies the license
in a specific and legally-defined manner.  So the extra GPL text wording
can be removed as it is no longer needed at all.

This is done on a quest to remove the 700+ different ways that files in
the kernel describe the GPL license text.  And there's unneeded stuff
like the address (sometimes incorrect) for the FSF which is never
needed.

No copyright headers or other non-license-description text was removed.

Cc: Jiri Slaby <jslaby@suse.com>
Cc: Eric Anholt <eric@anholt.net>
Cc: Stefan Wahren <stefan.wahren@i2se.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Scott Branden <sbranden@broadcom.com>
Cc: bcm-kernel-feedback-list@broadcom.com
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Helge Deller <deller@gmx.de>
Cc: Joachim Eastwood <manabian@gmail.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Tobias Klauser <tklauser@distanz.ch>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Richard Genoud <richard.genoud@gmail.com>
Cc: Alexander Shiyan <shc_work@mail.ru>
Cc: Baruch Siach <baruch@tkos.co.il>
Cc: Pat Gefre <pfg@sgi.com>
Cc: "Guilherme G. Piccoli" <gpiccoli@linux.vnet.ibm.com>
Cc: Jason Wessel <jason.wessel@windriver.com>
Cc: Vladimir Zapolskiy <vz@mleia.com>
Cc: Sylvain Lemieux <slemieux.tyco@gmail.com>
Cc: Carlo Caione <carlo@caione.org>
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: Liviu Dudau <liviu.dudau@arm.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Andy Gross <andy.gross@linaro.org>
Cc: David Brown <david.brown@linaro.org>
Cc: "Andreas Färber" <afaerber@suse.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Kevin Cernekee <cernekee@gmail.com>
Cc: Laxman Dewangan <ldewangan@nvidia.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
Cc: Barry Song <baohua@kernel.org>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Chris Metcalf <cmetcalf@mellanox.com>
Cc: Peter Korsgaard <jacmet@sunsite.dk>
Cc: Timur Tabi <timur@tabi.org>
Cc: Tony Prisk <linux@prisktech.co.nz>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: "Sören Brinkmann" <soren.brinkmann@xilinx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-08 13:08:12 +01:00

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// SPDX-License-Identifier: GPL-2.0
/*
* Probe for 8250/16550-type ISAPNP serial ports.
*
* Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o.
*
* Copyright (C) 2001 Russell King, All Rights Reserved.
*
* Ported to the Linux PnP Layer - (C) Adam Belay.
*/
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/pnp.h>
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/serial_core.h>
#include <linux/bitops.h>
#include <asm/byteorder.h>
#include "8250.h"
#define UNKNOWN_DEV 0x3000
#define CIR_PORT 0x0800
static const struct pnp_device_id pnp_dev_table[] = {
/* Archtek America Corp. */
/* Archtek SmartLink Modem 3334BT Plug & Play */
{ "AAC000F", 0 },
/* Anchor Datacomm BV */
/* SXPro 144 External Data Fax Modem Plug & Play */
{ "ADC0001", 0 },
/* SXPro 288 External Data Fax Modem Plug & Play */
{ "ADC0002", 0 },
/* PROLiNK 1456VH ISA PnP K56flex Fax Modem */
{ "AEI0250", 0 },
/* Actiontec ISA PNP 56K X2 Fax Modem */
{ "AEI1240", 0 },
/* Rockwell 56K ACF II Fax+Data+Voice Modem */
{ "AKY1021", 0 /*SPCI_FL_NO_SHIRQ*/ },
/*
* ALi Fast Infrared Controller
* Native driver (ali-ircc) is broken so at least
* it can be used with irtty-sir.
*/
{ "ALI5123", 0 },
/* AZT3005 PnP SOUND DEVICE */
{ "AZT4001", 0 },
/* Best Data Products Inc. Smart One 336F PnP Modem */
{ "BDP3336", 0 },
/* Boca Research */
/* Boca Complete Ofc Communicator 14.4 Data-FAX */
{ "BRI0A49", 0 },
/* Boca Research 33,600 ACF Modem */
{ "BRI1400", 0 },
/* Boca 33.6 Kbps Internal FD34FSVD */
{ "BRI3400", 0 },
/* Boca 33.6 Kbps Internal FD34FSVD */
{ "BRI0A49", 0 },
/* Best Data Products Inc. Smart One 336F PnP Modem */
{ "BDP3336", 0 },
/* Computer Peripherals Inc */
/* EuroViVa CommCenter-33.6 SP PnP */
{ "CPI4050", 0 },
/* Creative Labs */
/* Creative Labs Phone Blaster 28.8 DSVD PnP Voice */
{ "CTL3001", 0 },
/* Creative Labs Modem Blaster 28.8 DSVD PnP Voice */
{ "CTL3011", 0 },
/* Davicom ISA 33.6K Modem */
{ "DAV0336", 0 },
/* Creative */
/* Creative Modem Blaster Flash56 DI5601-1 */
{ "DMB1032", 0 },
/* Creative Modem Blaster V.90 DI5660 */
{ "DMB2001", 0 },
/* E-Tech */
/* E-Tech CyberBULLET PC56RVP */
{ "ETT0002", 0 },
/* FUJITSU */
/* Fujitsu 33600 PnP-I2 R Plug & Play */
{ "FUJ0202", 0 },
/* Fujitsu FMV-FX431 Plug & Play */
{ "FUJ0205", 0 },
/* Fujitsu 33600 PnP-I4 R Plug & Play */
{ "FUJ0206", 0 },
/* Fujitsu Fax Voice 33600 PNP-I5 R Plug & Play */
{ "FUJ0209", 0 },
/* Archtek America Corp. */
/* Archtek SmartLink Modem 3334BT Plug & Play */
{ "GVC000F", 0 },
/* Archtek SmartLink Modem 3334BRV 33.6K Data Fax Voice */
{ "GVC0303", 0 },
/* Hayes */
/* Hayes Optima 288 V.34-V.FC + FAX + Voice Plug & Play */
{ "HAY0001", 0 },
/* Hayes Optima 336 V.34 + FAX + Voice PnP */
{ "HAY000C", 0 },
/* Hayes Optima 336B V.34 + FAX + Voice PnP */
{ "HAY000D", 0 },
/* Hayes Accura 56K Ext Fax Modem PnP */
{ "HAY5670", 0 },
/* Hayes Accura 56K Ext Fax Modem PnP */
{ "HAY5674", 0 },
/* Hayes Accura 56K Fax Modem PnP */
{ "HAY5675", 0 },
/* Hayes 288, V.34 + FAX */
{ "HAYF000", 0 },
/* Hayes Optima 288 V.34 + FAX + Voice, Plug & Play */
{ "HAYF001", 0 },
/* IBM */
/* IBM Thinkpad 701 Internal Modem Voice */
{ "IBM0033", 0 },
/* Intermec */
/* Intermec CV60 touchscreen port */
{ "PNP4972", 0 },
/* Intertex */
/* Intertex 28k8 33k6 Voice EXT PnP */
{ "IXDC801", 0 },
/* Intertex 33k6 56k Voice EXT PnP */
{ "IXDC901", 0 },
/* Intertex 28k8 33k6 Voice SP EXT PnP */
{ "IXDD801", 0 },
/* Intertex 33k6 56k Voice SP EXT PnP */
{ "IXDD901", 0 },
/* Intertex 28k8 33k6 Voice SP INT PnP */
{ "IXDF401", 0 },
/* Intertex 28k8 33k6 Voice SP EXT PnP */
{ "IXDF801", 0 },
/* Intertex 33k6 56k Voice SP EXT PnP */
{ "IXDF901", 0 },
/* Kortex International */
/* KORTEX 28800 Externe PnP */
{ "KOR4522", 0 },
/* KXPro 33.6 Vocal ASVD PnP */
{ "KORF661", 0 },
/* Lasat */
/* LASAT Internet 33600 PnP */
{ "LAS4040", 0 },
/* Lasat Safire 560 PnP */
{ "LAS4540", 0 },
/* Lasat Safire 336 PnP */
{ "LAS5440", 0 },
/* Microcom, Inc. */
/* Microcom TravelPorte FAST V.34 Plug & Play */
{ "MNP0281", 0 },
/* Microcom DeskPorte V.34 FAST or FAST+ Plug & Play */
{ "MNP0336", 0 },
/* Microcom DeskPorte FAST EP 28.8 Plug & Play */
{ "MNP0339", 0 },
/* Microcom DeskPorte 28.8P Plug & Play */
{ "MNP0342", 0 },
/* Microcom DeskPorte FAST ES 28.8 Plug & Play */
{ "MNP0500", 0 },
/* Microcom DeskPorte FAST ES 28.8 Plug & Play */
{ "MNP0501", 0 },
/* Microcom DeskPorte 28.8S Internal Plug & Play */
{ "MNP0502", 0 },
/* Motorola */
/* Motorola BitSURFR Plug & Play */
{ "MOT1105", 0 },
/* Motorola TA210 Plug & Play */
{ "MOT1111", 0 },
/* Motorola HMTA 200 (ISDN) Plug & Play */
{ "MOT1114", 0 },
/* Motorola BitSURFR Plug & Play */
{ "MOT1115", 0 },
/* Motorola Lifestyle 28.8 Internal */
{ "MOT1190", 0 },
/* Motorola V.3400 Plug & Play */
{ "MOT1501", 0 },
/* Motorola Lifestyle 28.8 V.34 Plug & Play */
{ "MOT1502", 0 },
/* Motorola Power 28.8 V.34 Plug & Play */
{ "MOT1505", 0 },
/* Motorola ModemSURFR External 28.8 Plug & Play */
{ "MOT1509", 0 },
/* Motorola Premier 33.6 Desktop Plug & Play */
{ "MOT150A", 0 },
/* Motorola VoiceSURFR 56K External PnP */
{ "MOT150F", 0 },
/* Motorola ModemSURFR 56K External PnP */
{ "MOT1510", 0 },
/* Motorola ModemSURFR 56K Internal PnP */
{ "MOT1550", 0 },
/* Motorola ModemSURFR Internal 28.8 Plug & Play */
{ "MOT1560", 0 },
/* Motorola Premier 33.6 Internal Plug & Play */
{ "MOT1580", 0 },
/* Motorola OnlineSURFR 28.8 Internal Plug & Play */
{ "MOT15B0", 0 },
/* Motorola VoiceSURFR 56K Internal PnP */
{ "MOT15F0", 0 },
/* Com 1 */
/* Deskline K56 Phone System PnP */
{ "MVX00A1", 0 },
/* PC Rider K56 Phone System PnP */
{ "MVX00F2", 0 },
/* NEC 98NOTE SPEAKER PHONE FAX MODEM(33600bps) */
{ "nEC8241", 0 },
/* Pace 56 Voice Internal Plug & Play Modem */
{ "PMC2430", 0 },
/* Generic */
/* Generic standard PC COM port */
{ "PNP0500", 0 },
/* Generic 16550A-compatible COM port */
{ "PNP0501", 0 },
/* Compaq 14400 Modem */
{ "PNPC000", 0 },
/* Compaq 2400/9600 Modem */
{ "PNPC001", 0 },
/* Dial-Up Networking Serial Cable between 2 PCs */
{ "PNPC031", 0 },
/* Dial-Up Networking Parallel Cable between 2 PCs */
{ "PNPC032", 0 },
/* Standard 9600 bps Modem */
{ "PNPC100", 0 },
/* Standard 14400 bps Modem */
{ "PNPC101", 0 },
/* Standard 28800 bps Modem*/
{ "PNPC102", 0 },
/* Standard Modem*/
{ "PNPC103", 0 },
/* Standard 9600 bps Modem*/
{ "PNPC104", 0 },
/* Standard 14400 bps Modem*/
{ "PNPC105", 0 },
/* Standard 28800 bps Modem*/
{ "PNPC106", 0 },
/* Standard Modem */
{ "PNPC107", 0 },
/* Standard 9600 bps Modem */
{ "PNPC108", 0 },
/* Standard 14400 bps Modem */
{ "PNPC109", 0 },
/* Standard 28800 bps Modem */
{ "PNPC10A", 0 },
/* Standard Modem */
{ "PNPC10B", 0 },
/* Standard 9600 bps Modem */
{ "PNPC10C", 0 },
/* Standard 14400 bps Modem */
{ "PNPC10D", 0 },
/* Standard 28800 bps Modem */
{ "PNPC10E", 0 },
/* Standard Modem */
{ "PNPC10F", 0 },
/* Standard PCMCIA Card Modem */
{ "PNP2000", 0 },
/* Rockwell */
/* Modular Technology */
/* Rockwell 33.6 DPF Internal PnP */
/* Modular Technology 33.6 Internal PnP */
{ "ROK0030", 0 },
/* Kortex International */
/* KORTEX 14400 Externe PnP */
{ "ROK0100", 0 },
/* Rockwell 28.8 */
{ "ROK4120", 0 },
/* Viking Components, Inc */
/* Viking 28.8 INTERNAL Fax+Data+Voice PnP */
{ "ROK4920", 0 },
/* Rockwell */
/* British Telecom */
/* Modular Technology */
/* Rockwell 33.6 DPF External PnP */
/* BT Prologue 33.6 External PnP */
/* Modular Technology 33.6 External PnP */
{ "RSS00A0", 0 },
/* Viking 56K FAX INT */
{ "RSS0262", 0 },
/* K56 par,VV,Voice,Speakphone,AudioSpan,PnP */
{ "RSS0250", 0 },
/* SupraExpress 28.8 Data/Fax PnP modem */
{ "SUP1310", 0 },
/* SupraExpress 336i PnP Voice Modem */
{ "SUP1381", 0 },
/* SupraExpress 33.6 Data/Fax PnP modem */
{ "SUP1421", 0 },
/* SupraExpress 33.6 Data/Fax PnP modem */
{ "SUP1590", 0 },
/* SupraExpress 336i Sp ASVD */
{ "SUP1620", 0 },
/* SupraExpress 33.6 Data/Fax PnP modem */
{ "SUP1760", 0 },
/* SupraExpress 56i Sp Intl */
{ "SUP2171", 0 },
/* Phoebe Micro */
/* Phoebe Micro 33.6 Data Fax 1433VQH Plug & Play */
{ "TEX0011", 0 },
/* Archtek America Corp. */
/* Archtek SmartLink Modem 3334BT Plug & Play */
{ "UAC000F", 0 },
/* 3Com Corp. */
/* Gateway Telepath IIvi 33.6 */
{ "USR0000", 0 },
/* U.S. Robotics Sporster 33.6K Fax INT PnP */
{ "USR0002", 0 },
/* Sportster Vi 14.4 PnP FAX Voicemail */
{ "USR0004", 0 },
/* U.S. Robotics 33.6K Voice INT PnP */
{ "USR0006", 0 },
/* U.S. Robotics 33.6K Voice EXT PnP */
{ "USR0007", 0 },
/* U.S. Robotics Courier V.Everything INT PnP */
{ "USR0009", 0 },
/* U.S. Robotics 33.6K Voice INT PnP */
{ "USR2002", 0 },
/* U.S. Robotics 56K Voice INT PnP */
{ "USR2070", 0 },
/* U.S. Robotics 56K Voice EXT PnP */
{ "USR2080", 0 },
/* U.S. Robotics 56K FAX INT */
{ "USR3031", 0 },
/* U.S. Robotics 56K FAX INT */
{ "USR3050", 0 },
/* U.S. Robotics 56K Voice INT PnP */
{ "USR3070", 0 },
/* U.S. Robotics 56K Voice EXT PnP */
{ "USR3080", 0 },
/* U.S. Robotics 56K Voice INT PnP */
{ "USR3090", 0 },
/* U.S. Robotics 56K Message */
{ "USR9100", 0 },
/* U.S. Robotics 56K FAX EXT PnP*/
{ "USR9160", 0 },
/* U.S. Robotics 56K FAX INT PnP*/
{ "USR9170", 0 },
/* U.S. Robotics 56K Voice EXT PnP*/
{ "USR9180", 0 },
/* U.S. Robotics 56K Voice INT PnP*/
{ "USR9190", 0 },
/* Wacom tablets */
{ "WACFXXX", 0 },
/* Compaq touchscreen */
{ "FPI2002", 0 },
/* Fujitsu Stylistic touchscreens */
{ "FUJ02B2", 0 },
{ "FUJ02B3", 0 },
/* Fujitsu Stylistic LT touchscreens */
{ "FUJ02B4", 0 },
/* Passive Fujitsu Stylistic touchscreens */
{ "FUJ02B6", 0 },
{ "FUJ02B7", 0 },
{ "FUJ02B8", 0 },
{ "FUJ02B9", 0 },
{ "FUJ02BC", 0 },
/* Fujitsu Wacom Tablet PC device */
{ "FUJ02E5", 0 },
/* Fujitsu P-series tablet PC device */
{ "FUJ02E6", 0 },
/* Fujitsu Wacom 2FGT Tablet PC device */
{ "FUJ02E7", 0 },
/* Fujitsu Wacom 1FGT Tablet PC device */
{ "FUJ02E9", 0 },
/*
* LG C1 EXPRESS DUAL (C1-PB11A3) touch screen (actually a FUJ02E6
* in disguise).
*/
{ "LTS0001", 0 },
/* Rockwell's (PORALiNK) 33600 INT PNP */
{ "WCI0003", 0 },
/* Unknown PnP modems */
{ "PNPCXXX", UNKNOWN_DEV },
/* More unknown PnP modems */
{ "PNPDXXX", UNKNOWN_DEV },
/*
* Winbond CIR port, should not be probed. We should keep track of
* it to prevent the legacy serial driver from probing it.
*/
{ "WEC1022", CIR_PORT },
/*
* SMSC IrCC SIR/FIR port, should not be probed by serial driver as
* well so its own driver can bind to it.
*/
{ "SMCF010", CIR_PORT },
{ "", 0 }
};
MODULE_DEVICE_TABLE(pnp, pnp_dev_table);
static const char *modem_names[] = {
"MODEM", "Modem", "modem", "FAX", "Fax", "fax",
"56K", "56k", "K56", "33.6", "28.8", "14.4",
"33,600", "28,800", "14,400", "33.600", "28.800", "14.400",
"33600", "28800", "14400", "V.90", "V.34", "V.32", NULL
};
static bool check_name(const char *name)
{
const char **tmp;
for (tmp = modem_names; *tmp; tmp++)
if (strstr(name, *tmp))
return true;
return false;
}
static bool check_resources(struct pnp_dev *dev)
{
static const resource_size_t base[] = {0x2f8, 0x3f8, 0x2e8, 0x3e8};
unsigned int i;
for (i = 0; i < ARRAY_SIZE(base); i++) {
if (pnp_possible_config(dev, IORESOURCE_IO, base[i], 8))
return true;
}
return false;
}
/*
* Given a complete unknown PnP device, try to use some heuristics to
* detect modems. Currently use such heuristic set:
* - dev->name or dev->bus->name must contain "modem" substring;
* - device must have only one IO region (8 byte long) with base address
* 0x2e8, 0x3e8, 0x2f8 or 0x3f8.
*
* Such detection looks very ugly, but can detect at least some of numerous
* PnP modems, alternatively we must hardcode all modems in pnp_devices[]
* table.
*/
static int serial_pnp_guess_board(struct pnp_dev *dev)
{
if (!(check_name(pnp_dev_name(dev)) ||
(dev->card && check_name(dev->card->name))))
return -ENODEV;
if (check_resources(dev))
return 0;
return -ENODEV;
}
static int
serial_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)
{
struct uart_8250_port uart, *port;
int ret, line, flags = dev_id->driver_data;
if (flags & UNKNOWN_DEV) {
ret = serial_pnp_guess_board(dev);
if (ret < 0)
return ret;
}
memset(&uart, 0, sizeof(uart));
if (pnp_irq_valid(dev, 0))
uart.port.irq = pnp_irq(dev, 0);
if ((flags & CIR_PORT) && pnp_port_valid(dev, 2)) {
uart.port.iobase = pnp_port_start(dev, 2);
uart.port.iotype = UPIO_PORT;
} else if (pnp_port_valid(dev, 0)) {
uart.port.iobase = pnp_port_start(dev, 0);
uart.port.iotype = UPIO_PORT;
} else if (pnp_mem_valid(dev, 0)) {
uart.port.mapbase = pnp_mem_start(dev, 0);
uart.port.iotype = UPIO_MEM;
uart.port.flags = UPF_IOREMAP;
} else
return -ENODEV;
dev_dbg(&dev->dev,
"Setup PNP port: port %lx, mem %pa, irq %d, type %d\n",
uart.port.iobase, &uart.port.mapbase,
uart.port.irq, uart.port.iotype);
if (flags & CIR_PORT) {
uart.port.flags |= UPF_FIXED_PORT | UPF_FIXED_TYPE;
uart.port.type = PORT_8250_CIR;
}
uart.port.flags |= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF;
if (pnp_irq_flags(dev, 0) & IORESOURCE_IRQ_SHAREABLE)
uart.port.flags |= UPF_SHARE_IRQ;
uart.port.uartclk = 1843200;
uart.port.dev = &dev->dev;
line = serial8250_register_8250_port(&uart);
if (line < 0 || (flags & CIR_PORT))
return -ENODEV;
port = serial8250_get_port(line);
if (uart_console(&port->port))
dev->capabilities |= PNP_CONSOLE;
pnp_set_drvdata(dev, (void *)((long)line + 1));
return 0;
}
static void serial_pnp_remove(struct pnp_dev *dev)
{
long line = (long)pnp_get_drvdata(dev);
dev->capabilities &= ~PNP_CONSOLE;
if (line)
serial8250_unregister_port(line - 1);
}
#ifdef CONFIG_PM
static int serial_pnp_suspend(struct pnp_dev *dev, pm_message_t state)
{
long line = (long)pnp_get_drvdata(dev);
if (!line)
return -ENODEV;
serial8250_suspend_port(line - 1);
return 0;
}
static int serial_pnp_resume(struct pnp_dev *dev)
{
long line = (long)pnp_get_drvdata(dev);
if (!line)
return -ENODEV;
serial8250_resume_port(line - 1);
return 0;
}
#else
#define serial_pnp_suspend NULL
#define serial_pnp_resume NULL
#endif /* CONFIG_PM */
static struct pnp_driver serial_pnp_driver = {
.name = "serial",
.probe = serial_pnp_probe,
.remove = serial_pnp_remove,
.suspend = serial_pnp_suspend,
.resume = serial_pnp_resume,
.id_table = pnp_dev_table,
};
int serial8250_pnp_init(void)
{
return pnp_register_driver(&serial_pnp_driver);
}
void serial8250_pnp_exit(void)
{
pnp_unregister_driver(&serial_pnp_driver);
}
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