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usb: renesas_usbhs: add support for SUDMAC

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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>
This commit is contained in:
Shimoda, Yoshihiro 2012-01-05 15:37:22 +09:00 committed by Felipe Balbi
parent 53069af3fa
commit 5ea4399457
2 changed files with 6 additions and 1 deletions
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6
drivers/usb/renesas_usbhs/fifo.c
View File

@ -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--) {

1
include/linux/usb/renesas_usbhs.h
View File

@ -149,6 +149,7 @@ struct renesas_usbhs_driver_param {
* option:
*/
u32 has_otg:1; /* for controlling PWEN/EXTLP */
u32 has_sudmac:1; /* for SUDMAC */
};
/*