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zephyr/drivers/usb/device
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Adrian Bradianu 6840ee35a4 usb: dw: Protect FIFO writes 
Protect FIFO writes against other USB register accesses.
According to "DesignWare Cores USB 1.1/2.0 Device Subsystem-AHB/VCI Databook":
"During FIFO access, the application must not access the UDC/Subsystem
registers or vendor registers (for ULPI mode). After starting to access a
FIFO, the application must complete the transaction before accessing the
register."

Change-Id: I2aed833acaa2970310b6fd48f41a95bee2182ec1
Signed-off-by: Adrian Bradianu <adrian.bradianu@windriver.com>
 		2016-07-08 18:22:18 +00:00
..
Kconfig usb: dw: Add Quark SE USB device controller driver 2016-06-30 00:21:39 +00:00
Makefile usb: dw: Add Quark SE USB device controller driver 2016-06-30 00:21:39 +00:00
usb_dc_dw.c usb: dw: Protect FIFO writes 2016-07-08 18:22:18 +00:00
usb_dw_registers.h usb: dw: Add Quark SE USB device controller driver 2016-06-30 00:21:39 +00:00