cregit-Linux how code gets into the kernel

Release 4.11 drivers/media/usb/go7007/go7007-loader.c

/*
 * Copyright (C) 2008 Sensoray Company Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License (Version 2) as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/module.h>
#include <linux/slab.h>
#include <linux/usb.h>
#include <linux/firmware.h>
#include <cypress_firmware.h>


struct fw_config {
	
u16 vendor;
	
u16 product;
	
const char * const fw_name1;
	
const char * const fw_name2;
};


static struct fw_config fw_configs[] = {
	{ 0x1943, 0xa250, "go7007/s2250-1.fw", "go7007/s2250-2.fw" },
	{ 0x093b, 0xa002, "go7007/px-m402u.fw", NULL },
	{ 0x093b, 0xa004, "go7007/px-tv402u.fw", NULL },
	{ 0x0eb1, 0x6666, "go7007/lr192.fw", NULL },
	{ 0x0eb1, 0x6668, "go7007/wis-startrek.fw", NULL },
	{ 0, 0, NULL, NULL }
};
MODULE_FIRMWARE("go7007/s2250-1.fw");
MODULE_FIRMWARE("go7007/s2250-2.fw");
MODULE_FIRMWARE("go7007/px-m402u.fw");
MODULE_FIRMWARE("go7007/px-tv402u.fw");
MODULE_FIRMWARE("go7007/lr192.fw");
MODULE_FIRMWARE("go7007/wis-startrek.fw");


static int go7007_loader_probe(struct usb_interface *interface, const struct usb_device_id *id) { struct usb_device *usbdev; const struct firmware *fw; u16 vendor, product; const char *fw1, *fw2; int ret; int i; usbdev = usb_get_dev(interface_to_usbdev(interface)); if (!usbdev) goto failed2; if (usbdev->descriptor.bNumConfigurations != 1) { dev_err(&interface->dev, "can't handle multiple config\n"); goto failed2; } vendor = le16_to_cpu(usbdev->descriptor.idVendor); product = le16_to_cpu(usbdev->descriptor.idProduct); for (i = 0; fw_configs[i].fw_name1; i++) if (fw_configs[i].vendor == vendor && fw_configs[i].product == product) break; /* Should never happen */ if (fw_configs[i].fw_name1 == NULL) goto failed2; fw1 = fw_configs[i].fw_name1; fw2 = fw_configs[i].fw_name2; dev_info(&interface->dev, "loading firmware %s\n", fw1); if (request_firmware(&fw, fw1, &usbdev->dev)) { dev_err(&interface->dev, "unable to load firmware from file \"%s\"\n", fw1); goto failed2; } ret = cypress_load_firmware(usbdev, fw, CYPRESS_FX2); release_firmware(fw); if (0 != ret) { dev_err(&interface->dev, "loader download failed\n"); goto failed2; } if (fw2 == NULL) return 0; if (request_firmware(&fw, fw2, &usbdev->dev)) { dev_err(&interface->dev, "unable to load firmware from file \"%s\"\n", fw2); goto failed2; } ret = cypress_load_firmware(usbdev, fw, CYPRESS_FX2); release_firmware(fw); if (0 != ret) { dev_err(&interface->dev, "firmware download failed\n"); goto failed2; } return 0; failed2: usb_put_dev(usbdev); dev_err(&interface->dev, "probe failed\n"); return -ENODEV; }

Contributors

PersonTokensPropCommitsCommitProp
Pete Eberlein20856.99%116.67%
Hans Verkuil10729.32%350.00%
Toshiaki Yamane4211.51%116.67%
Alexey Khoroshilov82.19%116.67%
Total365100.00%6100.00%


static void go7007_loader_disconnect(struct usb_interface *interface) { dev_info(&interface->dev, "disconnect\n"); usb_put_dev(interface_to_usbdev(interface)); usb_set_intfdata(interface, NULL); }

Contributors

PersonTokensPropCommitsCommitProp
Pete Eberlein2055.56%125.00%
Alexey Khoroshilov822.22%125.00%
Toshiaki Yamane616.67%125.00%
Hans Verkuil25.56%125.00%
Total36100.00%4100.00%

static const struct usb_device_id go7007_loader_ids[] = { { USB_DEVICE(0x1943, 0xa250) }, { USB_DEVICE(0x093b, 0xa002) }, { USB_DEVICE(0x093b, 0xa004) }, { USB_DEVICE(0x0eb1, 0x6666) }, { USB_DEVICE(0x0eb1, 0x6668) }, {} /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, go7007_loader_ids); static struct usb_driver go7007_loader_driver = { .name = "go7007-loader", .probe = go7007_loader_probe, .disconnect = go7007_loader_disconnect, .id_table = go7007_loader_ids, }; module_usb_driver(go7007_loader_driver); MODULE_AUTHOR(""); MODULE_DESCRIPTION("firmware loader for go7007-usb"); MODULE_LICENSE("GPL v2");

Overall Contributors

PersonTokensPropCommitsCommitProp
Pete Eberlein31748.84%215.38%
Hans Verkuil26240.37%538.46%
Toshiaki Yamane487.40%17.69%
Alexey Khoroshilov162.47%17.69%
Tejun Heo30.46%17.69%
Greg Kroah-Hartman10.15%17.69%
Márton Németh10.15%17.69%
Ebru Akagunduz10.15%17.69%
Total649100.00%13100.00%
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