From b7006958ea367394e39e82532317a44491ed52ac Mon Sep 17 00:00:00 2001
From: Jim Shimer <jamesshimer@motorola.com>
Date: Mon, 30 Jul 2012 22:11:28 -0400
Subject: [PATCH] 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>
---
common/usb_storage.c | 12 ------------
1 file changed, 12 deletions(-)
diff --git a/common/usb_storage.c b/common/usb_storage.c
index ccfe811eeb..4aeed827c1 100644
--- 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);
--
2.39.5