mirror of
https://github.com/torvalds/linux.git
synced 2024-11-22 20:22:09 +00:00
10892847de
Make structs const to reduce data size ~20KB.
Change function arguments and prototypes as necessary to compile.
$ size (x86-64 defconfig pre)
text data bss dec hex filename
12281 10948 480 23709 5c9d ./drivers/usb/storage/usb.o
111 10528 8 10647 2997 ./drivers/usb/storage/usual-tables.o
$ size (x86-64 defconfig post)
text data bss dec hex filename
22809 420 480 23709 5c9d drivers/usb/storage/usb.o
10551 0 0 10551 2937 drivers/usb/storage/usual-tables.o
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/cf13bd2d790ae3afbf5da55ea7bed12e00c5119d.camel@perches.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
109 lines
2.8 KiB
C
109 lines
2.8 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Driver for USB Mass Storage devices
|
|
* Usual Tables File for usb-storage and libusual
|
|
*
|
|
* Copyright (C) 2009 Alan Stern (stern@rowland.harvard.edu)
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/usb.h>
|
|
#include <linux/usb_usual.h>
|
|
|
|
|
|
/*
|
|
* The table of devices
|
|
*/
|
|
#define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
|
|
vendorName, productName, useProtocol, useTransport, \
|
|
initFunction, flags) \
|
|
{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
|
|
.driver_info = (flags) }
|
|
|
|
#define COMPLIANT_DEV UNUSUAL_DEV
|
|
|
|
#define USUAL_DEV(useProto, useTrans) \
|
|
{ USB_INTERFACE_INFO(USB_CLASS_MASS_STORAGE, useProto, useTrans) }
|
|
|
|
/* Define the device is matched with Vendor ID and interface descriptors */
|
|
#define UNUSUAL_VENDOR_INTF(id_vendor, cl, sc, pr, \
|
|
vendorName, productName, useProtocol, useTransport, \
|
|
initFunction, flags) \
|
|
{ \
|
|
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO \
|
|
| USB_DEVICE_ID_MATCH_VENDOR, \
|
|
.idVendor = (id_vendor), \
|
|
.bInterfaceClass = (cl), \
|
|
.bInterfaceSubClass = (sc), \
|
|
.bInterfaceProtocol = (pr), \
|
|
.driver_info = (flags) \
|
|
}
|
|
|
|
const struct usb_device_id usb_storage_usb_ids[] = {
|
|
# include "unusual_devs.h"
|
|
{ } /* Terminating entry */
|
|
};
|
|
MODULE_DEVICE_TABLE(usb, usb_storage_usb_ids);
|
|
|
|
#undef UNUSUAL_DEV
|
|
#undef COMPLIANT_DEV
|
|
#undef USUAL_DEV
|
|
#undef UNUSUAL_VENDOR_INTF
|
|
|
|
/*
|
|
* The table of devices to ignore
|
|
*/
|
|
struct ignore_entry {
|
|
u16 vid, pid, bcdmin, bcdmax;
|
|
};
|
|
|
|
#define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
|
|
vendorName, productName, useProtocol, useTransport, \
|
|
initFunction, flags) \
|
|
{ \
|
|
.vid = id_vendor, \
|
|
.pid = id_product, \
|
|
.bcdmin = bcdDeviceMin, \
|
|
.bcdmax = bcdDeviceMax, \
|
|
}
|
|
|
|
static const struct ignore_entry ignore_ids[] = {
|
|
# include "unusual_alauda.h"
|
|
# include "unusual_cypress.h"
|
|
# include "unusual_datafab.h"
|
|
# include "unusual_ene_ub6250.h"
|
|
# include "unusual_freecom.h"
|
|
# include "unusual_isd200.h"
|
|
# include "unusual_jumpshot.h"
|
|
# include "unusual_karma.h"
|
|
# include "unusual_onetouch.h"
|
|
# include "unusual_realtek.h"
|
|
# include "unusual_sddr09.h"
|
|
# include "unusual_sddr55.h"
|
|
# include "unusual_usbat.h"
|
|
{ } /* Terminating entry */
|
|
};
|
|
|
|
#undef UNUSUAL_DEV
|
|
|
|
/* Return an error if a device is in the ignore_ids list */
|
|
int usb_usual_ignore_device(struct usb_interface *intf)
|
|
{
|
|
struct usb_device *udev;
|
|
unsigned vid, pid, bcd;
|
|
const struct ignore_entry *p;
|
|
|
|
udev = interface_to_usbdev(intf);
|
|
vid = le16_to_cpu(udev->descriptor.idVendor);
|
|
pid = le16_to_cpu(udev->descriptor.idProduct);
|
|
bcd = le16_to_cpu(udev->descriptor.bcdDevice);
|
|
|
|
for (p = ignore_ids; p->vid; ++p) {
|
|
if (p->vid == vid && p->pid == pid &&
|
|
p->bcdmin <= bcd && p->bcdmax >= bcd)
|
|
return -ENXIO;
|
|
}
|
|
return 0;
|
|
}
|