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author | Shimoda, Yoshihiro <yoshihiro.shimoda.uh@renesas.com> | 2012-01-05 15:37:22 +0900 |
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committer | Felipe Balbi <balbi@ti.com> | 2012-01-24 11:33:04 +0200 |
commit | 5ea4399457f730b4614d0632ceefd3e8f53fb1e6 (patch) | |
tree | 82b845f2a25802047fbcba5c72a5b72a2f260cb4 /drivers | |
parent | 53069af3fa8ba2849cd4785160690873995d4f39 (diff) | |
download | linux-5ea4399457f730b4614d0632ceefd3e8f53fb1e6.tar.gz linux-5ea4399457f730b4614d0632ceefd3e8f53fb1e6.tar.bz2 linux-5ea4399457f730b4614d0632ceefd3e8f53fb1e6.zip |
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')
-rw-r--r-- | drivers/usb/renesas_usbhs/fifo.c | 6 |
1 files changed, 5 insertions, 1 deletions
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--) { |