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usb: renesas_usbhs: use usb_gadget_{un}map_request_by_dev() for IPMMU

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The previous code could use the first USB-DMAC with IPMMU if iommus
property was set into this device node. However, in this case, it
could not control the second USB-DMAC with IPMMU because a parameter
of IPMMU (micro-TLB id) is different with each USB-DMAC.

So, this patch uses the usb_gadget_{un}map_request_by_dev() APIs for
IPMMU. (Then, iommus property should be set into USB-DMAC node(s).)

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Yoshihiro Shimoda 2016-04-18 16:53:42 +09:00 • committed by Felipe Balbi
commit b41d8a6a01
1 changed files with 2 additions and 4 deletions
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6
drivers/usb/renesas_usbhs/mod_gadget.c
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@ -197,8 +197,6 @@ static int usbhsg_dma_map_ctrl(struct device *dma_dev, struct usbhs_pkt *pkt,
struct usbhsg_request *ureq = usbhsg_pkt_to_ureq(pkt);
struct usb_request *req = &ureq->req;
struct usbhs_pipe *pipe = pkt->pipe;
struct usbhsg_uep *uep = usbhsg_pipe_to_uep(pipe);
struct usbhsg_gpriv *gpriv = usbhsg_uep_to_gpriv(uep);
enum dma_data_direction dir;
int ret = 0;
@ -208,13 +206,13 @@ static int usbhsg_dma_map_ctrl(struct device *dma_dev, struct usbhs_pkt *pkt,
/* it can not use scatter/gather */
WARN_ON(req->num_sgs);
ret = usb_gadget_map_request(&gpriv->gadget, req, dir);
ret = usb_gadget_map_request_by_dev(dma_dev, req, dir);
if (ret < 0)
return ret;
pkt->dma = req->dma;
} else {
usb_gadget_unmap_request(&gpriv->gadget, req, dir);
usb_gadget_unmap_request_by_dev(dma_dev, req, dir);
}
return ret;