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NFC: pn533: Remove unused pn533_send_cmd_frame_asy

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Remove obsolete send async api as it's no longer used. Remove
global dev->in_frame as well, as each packet is kept is a
seperate skb struct now, so that's not used anymore.

Signed-off-by: Waldemar Rymarkiewicz <waldemar.rymarkiewicz@tieto.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Waldemar Rymarkiewicz 2012-12-10 14:42:53 +01:00 committed by Samuel Ortiz
parent b08e860355
commit 89fb202567
1 changed files with 7 additions and 68 deletions
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75
drivers/nfc/pn533.c
View file

@ -329,7 +329,6 @@ struct pn533 {
struct pn533_frame *out_frame;
struct urb *in_urb;
struct pn533_frame *in_frame;
struct sk_buff_head resp_q;
@ -371,13 +370,9 @@ struct pn533 {
struct pn533_cmd {
struct list_head queue;
struct pn533_frame *out_frame;
struct pn533_frame *in_frame;
int in_frame_len;
u8 cmd_code;
struct sk_buff *req;
struct sk_buff *resp;
pn533_cmd_complete_t cmd_complete;
void *arg;
};
@ -911,69 +906,16 @@ static void pn533_wq_cmd(struct work_struct *work)
mutex_unlock(&dev->cmd_lock);
if (cmd->cmd_code != PN533_CMD_UNDEF)
__pn533_send_cmd_frame_async(dev,
(struct pn533_frame *)cmd->req->data,
(struct pn533_frame *)cmd->resp->data,
PN533_NORMAL_FRAME_MAX_LEN,
pn533_send_async_complete,
cmd->arg);
else
__pn533_send_cmd_frame_async(dev, cmd->out_frame, cmd->in_frame,
cmd->in_frame_len,
cmd->cmd_complete, cmd->arg);
__pn533_send_cmd_frame_async(dev,
(struct pn533_frame *)cmd->req->data,
(struct pn533_frame *)cmd->resp->data,
PN533_NORMAL_FRAME_MAX_LEN,
pn533_send_async_complete,
cmd->arg);
kfree(cmd);
}
static int pn533_send_cmd_frame_async(struct pn533 *dev,
struct pn533_frame *out_frame,
struct pn533_frame *in_frame,
int in_frame_len,
pn533_cmd_complete_t cmd_complete,
void *arg)
{
struct pn533_cmd *cmd;
int rc = 0;
nfc_dev_dbg(&dev->interface->dev, "%s", __func__);
mutex_lock(&dev->cmd_lock);
if (!dev->cmd_pending) {
rc = __pn533_send_cmd_frame_async(dev, out_frame, in_frame,
in_frame_len, cmd_complete,
arg);
if (!rc)
dev->cmd_pending = 1;
goto unlock;
}
nfc_dev_dbg(&dev->interface->dev, "%s Queueing command", __func__);
cmd = kzalloc(sizeof(struct pn533_cmd), GFP_KERNEL);
if (!cmd) {
rc = -ENOMEM;
goto unlock;
}
INIT_LIST_HEAD(&cmd->queue);
cmd->out_frame = out_frame;
cmd->in_frame = in_frame;
cmd->in_frame_len = in_frame_len;
cmd->cmd_code = PN533_CMD_UNDEF;
cmd->cmd_complete = cmd_complete;
cmd->arg = arg;
list_add_tail(&cmd->queue, &dev->cmd_queue);
unlock:
mutex_unlock(&dev->cmd_lock);
return rc;
}
struct pn533_sync_cmd_response {
struct sk_buff *resp;
struct completion done;
@ -2527,12 +2469,11 @@ static int pn533_probe(struct usb_interface *interface,
goto error;
}
dev->in_frame = kmalloc(PN533_NORMAL_FRAME_MAX_LEN, GFP_KERNEL);
dev->in_urb = usb_alloc_urb(0, GFP_KERNEL);
dev->out_frame = kmalloc(PN533_NORMAL_FRAME_MAX_LEN, GFP_KERNEL);
dev->out_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!dev->in_frame || !dev->out_frame || !dev->in_urb || !dev->out_urb)
if (!dev->out_frame || !dev->in_urb || !dev->out_urb)
goto error;
usb_fill_bulk_urb(dev->in_urb, dev->udev,
@ -2616,7 +2557,6 @@ free_nfc_dev:
destroy_wq:
destroy_workqueue(dev->wq);
error:
kfree(dev->in_frame);
usb_free_urb(dev->in_urb);
kfree(dev->out_frame);
usb_free_urb(dev->out_urb);
@ -2649,7 +2589,6 @@ static void pn533_disconnect(struct usb_interface *interface)
kfree(cmd);
}
kfree(dev->in_frame);
usb_free_urb(dev->in_urb);
kfree(dev->out_frame);
usb_free_urb(dev->out_urb);