
10 Aug
2012
10 Aug
'12
8:34 p.m.
Hi Benoit,
On Fri, Aug 10, 2012 at 8:23 PM, Benoît Thébaudeau < benoit.thebaudeau@advansee.com> wrote:
diff --git u-boot-usb-4f8254e.orig/common/usb_storage.c u-boot-usb-4f8254e/common/usb_storage.c index 0cd6399..822bd64 100644 --- u-boot-usb-4f8254e.orig/common/usb_storage.c +++ u-boot-usb-4f8254e/common/usb_storage.c @@ -157,12 +157,13 @@ struct us_data {
#ifdef CONFIG_USB_EHCI /*
- The U-Boot EHCI driver cannot handle more than 5 page aligned buffers
- of 4096 bytes in a transfer without running itself out of qt_buffers
- The U-Boot EHCI driver can handle any transfer length as long as there
is
- enough free heap space left, but the SCSI READ(10) and WRITE(10)
commands are
- limited to 65535 bytes.
bytes?
*/ -#define USB_MAX_XFER_BLK(start, blksz) (((4096 * 5) - (start % 4096)) / blksz) +#define USB_MAX_XFER_BLK 65535
But here you limit it to 65535 _blocks_, right? One of the two should be wrong ;)
Regards, Ilya.