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Commit 3565b787 authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Greg Kroah-Hartman
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usb: musb: tusb6010_omap: Use one musb_ep_select call in tusb_omap_dma_program 



Having one musb_ep_select() instead the two calls in if/else is the same
thing, but makes the code a bit simpler to follow.

Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@ti.com>
Tested-by: default avatarTony Lindgren <tony@atomide.com>
Signed-off-by: default avatarBin Liu <b-liu@ti.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 0efc1356

drivers/usb/musb/tusb6010_omap.c

+1 −2
Original line number Diff line number Diff line
@@ -368,15 +368,14 @@ static int tusb_omap_dma_program(struct dma_channel *channel, u16 packet_sz, 
	/*

	 * Prepare MUSB for DMA transfer

	 */

	if (chdat->tx) {

	musb_ep_select(mbase, chdat->epnum);

	if (chdat->tx) {

		csr = musb_readw(hw_ep->regs, MUSB_TXCSR);

		csr |= (MUSB_TXCSR_AUTOSET | MUSB_TXCSR_DMAENAB

			| MUSB_TXCSR_DMAMODE | MUSB_TXCSR_MODE);

		csr &= ~MUSB_TXCSR_P_UNDERRUN;

		musb_writew(hw_ep->regs, MUSB_TXCSR, csr);

	} else {

		musb_ep_select(mbase, chdat->epnum);

		csr = musb_readw(hw_ep->regs, MUSB_RXCSR);

		csr |= MUSB_RXCSR_DMAENAB;

		csr &= ~(MUSB_RXCSR_AUTOCLEAR | MUSB_RXCSR_DMAMODE);