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usb: remove support for -usbdevice parameters

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No device needs them anymore and in fact they're undocumented.
Remove the code.  The only change in behavior is that "-usbdevice
braille:hello" now reports an error, which is a bugfix.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210310173323.1422754-2-thuth@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Paolo Bonzini 2021-03-10 18:33:20 +01:00 committed by Gerd Hoffmann
parent 7707beaea7
commit 405cf80ceb
3 changed files with 9 additions and 27 deletions
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32
hw/usb/bus.c
View file

@ -310,13 +310,13 @@ typedef struct LegacyUSBFactory
{
const char *name;
const char *usbdevice_name;
USBDevice *(*usbdevice_init)(const char *params);
USBDevice *(*usbdevice_init)(void);
} LegacyUSBFactory;
static GSList *legacy_usb_factory;
void usb_legacy_register(const char *typename, const char *usbdevice_name,
USBDevice *(*usbdevice_init)(const char *params))
USBDevice *(*usbdevice_init)(void))
{
if (usbdevice_name) {
LegacyUSBFactory *f = g_malloc0(sizeof(*f));
@ -658,27 +658,17 @@ void hmp_info_usb(Monitor *mon, const QDict *qdict)
}
/* handle legacy -usbdevice cmd line option */
USBDevice *usbdevice_create(const char *cmdline)
USBDevice *usbdevice_create(const char *driver)
{
USBBus *bus = usb_bus_find(-1 /* any */);
LegacyUSBFactory *f = NULL;
Error *err = NULL;
GSList *i;
char driver[32];
const char *params;
int len;
USBDevice *dev;
params = strchr(cmdline,':');
if (params) {
params++;
len = params - cmdline;
if (len > sizeof(driver))
len = sizeof(driver);
pstrcpy(driver, len, cmdline);
} else {
params = "";
pstrcpy(driver, sizeof(driver), cmdline);
if (strchr(driver, ':')) {
error_report("usbdevice parameters are not supported anymore");
return NULL;
}
for (i = legacy_usb_factory; i; i = i->next) {
@ -702,15 +692,7 @@ USBDevice *usbdevice_create(const char *cmdline)
return NULL;
}
if (f->usbdevice_init) {
dev = f->usbdevice_init(params);
} else {
if (*params) {
error_report("usbdevice %s accepts no params", driver);
return NULL;
}
dev = usb_new(f->name);
}
dev = f->usbdevice_init ? f->usbdevice_init() : usb_new(f->name);
if (!dev) {
error_report("Failed to create USB device '%s'", f->name);
return NULL;

2
hw/usb/dev-serial.c
View file

@ -614,7 +614,7 @@ static void usb_serial_realize(USBDevice *dev, Error **errp)
s->intr = usb_ep_get(dev, USB_TOKEN_IN, 1);
}
static USBDevice *usb_braille_init(const char *unused)
static USBDevice *usb_braille_init(void)
{
USBDevice *dev;
Chardev *cdrv;

2
include/hw/usb.h
View file

@ -499,7 +499,7 @@ void usb_bus_new(USBBus *bus, size_t bus_size,
void usb_bus_release(USBBus *bus);
USBBus *usb_bus_find(int busnr);
void usb_legacy_register(const char *typename, const char *usbdevice_name,
USBDevice *(*usbdevice_init)(const char *params));
USBDevice *(*usbdevice_init)(void));
USBDevice *usb_new(const char *name);
bool usb_realize_and_unref(USBDevice *dev, USBBus *bus, Error **errp);
USBDevice *usb_create_simple(USBBus *bus, const char *name);