summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
authorKuninori Morimoto2011-10-31 08:47:01 +0100
committerFelipe Balbi2011-12-12 10:45:02 +0100
commitfc9d5c79f681a7bff588d32de9429be360996df7 (patch)
tree584b978ab20a62c499c42e11ab013b2c05ecb590 /drivers
parentusb: gadget: renesas_usbhs: cleanup complicated ureq alloc/free (diff)
downloadkernel-qcow2-linux-fc9d5c79f681a7bff588d32de9429be360996df7.tar.gz
kernel-qcow2-linux-fc9d5c79f681a7bff588d32de9429be360996df7.tar.xz
kernel-qcow2-linux-fc9d5c79f681a7bff588d32de9429be360996df7.zip
usb: gadget: renesas_usbhs: usbhsh_ureq_alloc/free() care urb->hcpriv
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/usb/renesas_usbhs/mod_host.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c
index 478366b571ef..0b88e88c5ee6 100644
--- a/drivers/usb/renesas_usbhs/mod_host.c
+++ b/drivers/usb/renesas_usbhs/mod_host.c
@@ -239,6 +239,7 @@ static struct usbhsh_request *usbhsh_ureq_alloc(struct usbhsh_hpriv *hpriv,
*/
list_add_tail(&ureq->ureq_link, &hpriv->ureq_link_active);
ureq->urb = urb;
+ usbhsh_urb_to_ureq(urb) = ureq;
return ureq;
}
@@ -254,6 +255,7 @@ static void usbhsh_ureq_free(struct usbhsh_hpriv *hpriv,
* removed from "active" list,
* and push it to "free" list
*/
+ usbhsh_urb_to_ureq(ureq->urb) = NULL;
ureq->urb = NULL;
list_del_init(&ureq->ureq_link);
list_add_tail(&ureq->ureq_link, &hpriv->ureq_link_free);
@@ -495,7 +497,6 @@ static void usbhsh_queue_done(struct usbhs_priv *priv, struct usbhs_pkt *pkt)
urb->actual_length = pkt->actual;
usbhsh_ureq_free(hpriv, ureq);
- usbhsh_urb_to_ureq(urb) = NULL;
usb_hcd_unlink_urb_from_ep(hcd, urb);
usb_hcd_giveback_urb(hcd, urb, 0);
@@ -523,7 +524,6 @@ static int usbhsh_queue_push(struct usb_hcd *hcd,
dev_err(dev, "ureq alloc fail\n");
return -ENOMEM;
}
- usbhsh_urb_to_ureq(urb) = ureq;
if (usb_pipein(urb->pipe))
pipe->handler = &usbhs_fifo_pio_pop_handler;
@@ -606,12 +606,10 @@ static void usbhsh_data_stage_packet_done(struct usbhs_priv *priv,
{
struct usbhsh_request *ureq = usbhsh_pkt_to_ureq(pkt);
struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv);
- struct urb *urb = ureq->urb;
/* this ureq was connected to urb when usbhsh_urb_enqueue() */
usbhsh_ureq_free(hpriv, ureq);
- usbhsh_urb_to_ureq(urb) = NULL;
}
static int usbhsh_data_stage_packet_push(struct usbhsh_hpriv *hpriv,
@@ -626,7 +624,6 @@ static int usbhsh_data_stage_packet_push(struct usbhsh_hpriv *hpriv,
ureq = usbhsh_ureq_alloc(hpriv, urb, mem_flags);
if (unlikely(!ureq))
return -ENOMEM;
- usbhsh_urb_to_ureq(urb) = ureq;
if (usb_pipein(urb->pipe))
pipe->handler = &usbhs_dcp_data_stage_in_handler;
@@ -656,7 +653,6 @@ static int usbhsh_status_stage_packet_push(struct usbhsh_hpriv *hpriv,
ureq = usbhsh_ureq_alloc(hpriv, urb, mem_flags);
if (unlikely(!ureq))
return -ENOMEM;
- usbhsh_urb_to_ureq(urb) = ureq;
if (usb_pipein(urb->pipe))
pipe->handler = &usbhs_dcp_status_stage_in_handler;
@@ -811,10 +807,8 @@ static int usbhsh_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
struct usbhsh_hpriv *hpriv = usbhsh_hcd_to_hpriv(hcd);
struct usbhsh_request *ureq = usbhsh_urb_to_ureq(urb);
- if (ureq) {
+ if (ureq)
usbhsh_ureq_free(hpriv, ureq);
- usbhsh_urb_to_ureq(urb) = NULL;
- }
return 0;
}