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authorShimoda, Yoshihiro <yoshihiro.shimoda.uh@renesas.com>2012-01-05 15:37:22 +0900
committerFelipe Balbi <balbi@ti.com>2012-01-24 11:33:04 +0200
commit5ea4399457f730b4614d0632ceefd3e8f53fb1e6 (patch)
tree82b845f2a25802047fbcba5c72a5b72a2f260cb4 /drivers/usb/renesas_usbhs
parent53069af3fa8ba2849cd4785160690873995d4f39 (diff)
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 <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/renesas_usbhs')
-rw-r--r--drivers/usb/renesas_usbhs/fifo.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c
index 72339bd6fca..03a9cc529c8 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--) {