From 5ea4399457f730b4614d0632ceefd3e8f53fb1e6 Mon Sep 17 00:00:00 2001 From: "Shimoda, Yoshihiro" Date: Thu, 5 Jan 2012 15:37:22 +0900 Subject: usb: renesas_usbhs: add support for SUDMAC The SUDMAC uses 8-bit width only. So, when the driver uses SUDMAC, we have to clear the MBW_32. Signed-off-by: Yoshihiro Shimoda Signed-off-by: Felipe Balbi --- drivers/usb/renesas_usbhs/fifo.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'drivers/usb') diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index 72339bd6fcab..03a9cc529c82 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -23,6 +23,7 @@ #define usbhsf_get_cfifo(p) (&((p)->fifo_info.cfifo)) #define usbhsf_get_d0fifo(p) (&((p)->fifo_info.d0fifo)) #define usbhsf_get_d1fifo(p) (&((p)->fifo_info.d1fifo)) +#define usbhsf_is_cfifo(p, f) (usbhsf_get_cfifo(p) == f) #define usbhsf_fifo_is_busy(f) ((f)->pipe) /* see usbhs_pipe_select_fifo */ @@ -305,7 +306,10 @@ static int usbhsf_fifo_select(struct usbhs_pipe *pipe, } /* "base" will be used below */ - usbhs_write(priv, fifo->sel, base | MBW_32); + if (usbhs_get_dparam(priv, has_sudmac) && !usbhsf_is_cfifo(priv, fifo)) + usbhs_write(priv, fifo->sel, base); + else + usbhs_write(priv, fifo->sel, base | MBW_32); /* check ISEL and CURPIPE value */ while (timeout--) { -- cgit v1.2.2