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fix volatile reference

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This commit is contained in:
Markus Fröschle
2021-07-17 23:04:14 +02:00
parent 3ececfa405
commit b7d702e4c8
1 changed files with 18 additions and 9 deletions
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27
usb/usb.c
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@@ -155,12 +155,12 @@ int usb_init(int32_t handle, const struct pci_device_id *ent)
break;
case PCI_CLASS_SERIAL_USB_OHCI:
dbg("initialize ohci host controller interface\r\n");
inf("initialize ohci host controller interface\r\n");
res = ohci_usb_lowlevel_init(handle, ent, (void *) &priv);
break;
case PCI_CLASS_SERIAL_USB_EHCI:
dbg("initialize ehci host controller interface\r\n");
inf("initialize ehci host controller interface\r\n");
res = ehci_usb_lowlevel_init(handle, ent, (void *) &priv);
break;
@@ -184,7 +184,7 @@ int usb_init(int32_t handle, const struct pci_device_id *ent)
dbg("could not allocate memory\r\n");
return -1; /* no memory, no USB */
return -1; /* no memory, no USB */
}
}
@@ -399,7 +399,7 @@ int usb_bulk_msg(struct usb_device *dev, unsigned int pipe, void *data, int len,
while (timeout--)
{
if (!((volatile uint32_t) dev->status & USB_ST_NOT_PROC)) /* FIXME: this volatile does nothing! */
if (!((* (volatile uint32_t *) &dev->status) & USB_ST_NOT_PROC))
break;
wait(1);
}
@@ -920,7 +920,7 @@ int usb_string(struct usb_device *dev, int index, char *buf, size_t size)
if (tbuf == NULL)
{
dbg("usb_string: malloc failure\r\n");
err("usb_string: malloc failure\r\n");
return -1;
}
@@ -945,7 +945,7 @@ int usb_string(struct usb_device *dev, int index, char *buf, size_t size)
dev->have_langid = -1;
dev->string_langid = tbuf[2] | (tbuf[3] << 8);
/* always use the first langid listed */
dbg("USB device number %d default language ID 0x%x\r\n", dev->devnum, dev->string_langid);
inf("USB device number %d default language ID 0x%x\r\n", dev->devnum, dev->string_langid);
}
}
error = usb_string_sub(dev, dev->string_langid, index, tbuf);
@@ -1278,17 +1278,26 @@ int usb_new_device(struct usb_device *dev)
{
usb_string(dev, dev->descriptor.iManufacturer, dev->mf, sizeof(dev->mf));
}
else
strcpy(dev->mf, "NONE");
if (dev->descriptor.iProduct)
{
usb_string(dev, dev->descriptor.iProduct, dev->prod, sizeof(dev->prod));
}
else
strcpy(dev->prod, "NONE");
if (dev->descriptor.iSerialNumber)
{
usb_string(dev, dev->descriptor.iSerialNumber, dev->serial, sizeof(dev->serial));
}
inf("Manufacturer %s, ", dev->mf);
inf("Product %s, ", dev->prod);
inf("SerialNumber %s\r\n", dev->serial);
else
strcpy(dev->serial, "NONE");
inf("usb %d, dev %d: Manufacturer: %s, ", dev->usbnum, dev->devnum, dev->mf);
inf("Product : %s, ", dev->prod);
inf("SerialNumber: %s\r\n", dev->serial);
/* now probe if the device is a hub */
usb_hub_probe(dev, 0);