usb: Optimize USB storage read/write

Trim down the IO times by removing uneeded
test unit reeady calls.

Signed-off-by: Jim Shimer <mgi2475@motorola.com>

diff --git a/common/usb_storage.c b/common/usb_storage.c
index ccfe811eebbd03863d1529a263bfd4575dfd07b8..4aeed827c1e60e624e2ec81857a5cf37ce6e8047 100644 (file)
--- a/common/usb_storage.c
+++ b/common/usb_storage.c
@@ -1083,12 +1083,6 @@ unsigned long usb_stor_read(int device, unsigned long blknr,
        buf_addr = (unsigned long)buffer;
        start = blknr;
        blks = blkcnt;
-       if (usb_test_unit_ready(srb, ss)) {
-               printf("Device NOT ready\n   Request Sense returned %02X %02X"
-                      " %02X\n", srb->sense_buf[2], srb->sense_buf[12],
-                      srb->sense_buf[13]);
-               return 0;
-       }
 
        USB_STOR_PRINTF("\nusb_read: dev %d startblk %lx, blccnt %lx"
                        " buffer %lx\n", device, start, blks, buf_addr);
@@ -1161,12 +1155,6 @@ unsigned long usb_stor_write(int device, unsigned long blknr,
        buf_addr = (unsigned long)buffer;
        start = blknr;
        blks = blkcnt;
-       if (usb_test_unit_ready(srb, ss)) {
-               printf("Device NOT ready\n   Request Sense returned %02X %02X"
-                      " %02X\n", srb->sense_buf[2], srb->sense_buf[12],
-                       srb->sense_buf[13]);
-               return 0;
-       }
 
        USB_STOR_PRINTF("\nusb_write: dev %d startblk %lx, blccnt %lx"
                        " buffer %lx\n", device, start, blks, buf_addr);