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Better estimate the maximum USB transfer size.

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2013-03-19 08:17:51 +01:00
parent 2f1071d57e
commit 5dd6f58789
6 changed files with 85 additions and 44 deletions
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4
grub-core/bus/usb/uhci.c
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@ -823,7 +823,9 @@ static struct grub_usb_controller_dev usb_controller =
.cancel_transfer = grub_uhci_cancel_transfer,
.hubports = grub_uhci_hubports,
.portstatus = grub_uhci_portstatus,
.detect_dev = grub_uhci_detect_dev
.detect_dev = grub_uhci_detect_dev,
/* estimated max. count of TDs for one bulk transfer */
.max_bulk_tds = N_TD * 3 / 4
};
GRUB_MOD_INIT(uhci)