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Commit 77975eec authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Felipe Balbi
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usb: renesas_usbhs: fixup DMA transport data alignment 



renesas_usbhs dma can transport 8byte alignment data, not 4byte.
This patch fixup it.

Reported-by: default avatarSugnan Prabhu S <sugnan.prabhu@renesasmobile.com>
Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent f3bb8e63

drivers/usb/renesas_usbhs/fifo.c

+2 −2
Original line number Diff line number Diff line
@@ -818,7 +818,7 @@ static int usbhsf_dma_prepare_push(struct usbhs_pkt *pkt, int *is_done) 
	    usbhs_pipe_is_dcp(pipe))

		goto usbhsf_pio_prepare_push;



	if (len % 4) /* 32bit alignment */

	if (len & 0x7) /* 8byte alignment */

		goto usbhsf_pio_prepare_push;



	if ((uintptr_t)(pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */
@@ -905,7 +905,7 @@ static int usbhsf_dma_try_pop(struct usbhs_pkt *pkt, int *is_done) 
	/* use PIO if packet is less than pio_dma_border */

	len = usbhsf_fifo_rcv_len(priv, fifo);

	len = min(pkt->length - pkt->actual, len);

	if (len % 4) /* 32bit alignment */

	if (len & 0x7) /* 8byte alignment */

		goto usbhsf_pio_prepare_pop_unselect;



	if (len < usbhs_get_dparam(priv, pio_dma_border))