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| author | wdenk <wdenk> | 2004-03-02 14:05:39 +0000 |
|---|---|---|
| committer | wdenk <wdenk> | 2004-03-02 14:05:39 +0000 |
| commit | f8d813e34f03823ddfeb3b9f44a9807d3ffb847e (patch) | |
| tree | 8aa8c3521520f576591d184c858d6ed3eb7a180e /common/usb_storage.c | |
| parent | e7c85689bbf2f6aaeb68d5976da642ae80fa06b2 (diff) | |
| download | u-boot-imx-f8d813e34f03823ddfeb3b9f44a9807d3ffb847e.zip u-boot-imx-f8d813e34f03823ddfeb3b9f44a9807d3ffb847e.tar.gz u-boot-imx-f8d813e34f03823ddfeb3b9f44a9807d3ffb847e.tar.bz2 | |
* Fix SDRAM timings for LITE5200 / IceCube board
* Handle Auti-MDIX / connection status for INCA-IP
* Fix USB problems when attempting to read 0 bytes
Diffstat (limited to 'common/usb_storage.c')
| -rw-r--r-- | common/usb_storage.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/common/usb_storage.c b/common/usb_storage.c index dbe9cd9..fd116be 100644 --- a/common/usb_storage.c +++ b/common/usb_storage.c @@ -899,8 +899,12 @@ unsigned long usb_stor_read(int device, unsigned long blknr, unsigned long blkcn unsigned short smallblks; struct usb_device *dev; int retry,i; - ccb *srb=&usb_ccb; - device&=0xff; + ccb *srb = &usb_ccb; + + if (blkcnt == 0) + return 0; + + device &= 0xff; /* Setup device */ USB_STOR_PRINTF("\nusb_read: dev %d \n",device); |