usb: musb: Always clear the data toggle bit when configuring ep
Without this patch clearing was done only when U-Boot was compiled with
MUSB Host Controller. But clearing of data toggle bit is needed also for
MUSB Device Controller otherwise Device Controller does not work correctly.
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Acked-by: Pavel Machek <pavel@ucw.cz>
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 147b2eb..cc6dc38 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -81,10 +81,8 @@
config_fifo(tx, idx, fifoaddr);
csr = readw(&musbr->txcsr);
-#if defined(CONFIG_USB_MUSB_HCD)
/* clear the data toggle bit */
writew(csr | MUSB_TXCSR_CLRDATATOG, &musbr->txcsr);
-#endif
/* Flush fifo if required */
if (csr & MUSB_TXCSR_TXPKTRDY)
writew(csr | MUSB_TXCSR_FLUSHFIFO,
@@ -94,10 +92,8 @@
config_fifo(rx, idx, fifoaddr);
csr = readw(&musbr->rxcsr);
-#if defined(CONFIG_USB_MUSB_HCD)
/* clear the data toggle bit */
writew(csr | MUSB_RXCSR_CLRDATATOG, &musbr->rxcsr);
-#endif
/* Flush fifo if required */
if (csr & MUSB_RXCSR_RXPKTRDY)
writew(csr | MUSB_RXCSR_FLUSHFIFO,