usb: dwc2: Fix EP TxFIFO number setting

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In case when some EP IN is frequently reused, i.e. enabled/disabled by
function driver. It is required to clear TxFIFO number field in DIEPCTL
register before setting new number. Otherwise there is probability to
have same TxFIFO number for different EP's because of OR operator.

Signed-off-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

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Minas Harutyunyan 2019-01-31 18:28:07 +04:00 • committed by Felipe Balbi

parent 836bcab506

commit 97311c8f8b

1 changed files with 1 additions and 0 deletions

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drivers/usb/dwc2/gadget.c

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