diff options
Diffstat (limited to 'common/usb_storage.c')
| -rw-r--r-- | common/usb_storage.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/common/usb_storage.c b/common/usb_storage.c index 099edd3fa..ccfe811ee 100644 --- a/common/usb_storage.c +++ b/common/usb_storage.c @@ -136,6 +136,7 @@ struct us_data { struct usb_device *pusb_dev; /* this usb_device */ unsigned int flags; /* from filter initially */ +# define USB_READY (1 << 0) unsigned char ifnum; /* interface number */ unsigned char ep_in; /* in endpoint */ unsigned char ep_out; /* out ....... */ @@ -698,7 +699,8 @@ int usb_stor_BBB_transport(ccb *srb, struct us_data *us) usb_stor_BBB_reset(us); return USB_STOR_TRANSPORT_FAILED; } - mdelay(5); + if (!(us->flags & USB_READY)) + mdelay(5); pipein = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); pipeout = usb_sndbulkpipe(us->pusb_dev, us->ep_out); /* DATA phase + error handling */ @@ -963,8 +965,10 @@ static int usb_test_unit_ready(ccb *srb, struct us_data *ss) srb->cmd[1] = srb->lun << 5; srb->datalen = 0; srb->cmdlen = 12; - if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) + if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) { + ss->flags |= USB_READY; return 0; + } usb_request_sense(srb, ss); mdelay(100); } while (retries--); @@ -1114,6 +1118,7 @@ retry_it: blks -= smallblks; buf_addr += srb->datalen; } while (blks != 0); + ss->flags &= ~USB_READY; USB_STOR_PRINTF("usb_read: end startblk %lx, blccnt %x buffer %lx\n", start, smallblks, buf_addr); @@ -1193,6 +1198,7 @@ retry_it: blks -= smallblks; buf_addr += srb->datalen; } while (blks != 0); + ss->flags &= ~USB_READY; USB_STOR_PRINTF("usb_write: end startblk %lx, blccnt %x buffer %lx\n", start, smallblks, buf_addr); @@ -1404,6 +1410,7 @@ int usb_stor_get_info(struct usb_device *dev, struct us_data *ss, cap[0] = 2880; cap[1] = 0x200; } + ss->flags &= ~USB_READY; USB_STOR_PRINTF("Read Capacity returns: 0x%lx, 0x%lx\n", cap[0], cap[1]); #if 0 |