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path: root/drivers/nfc/nfcsim.c
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Diffstat (limited to 'drivers/nfc/nfcsim.c')
-rw-r--r--drivers/nfc/nfcsim.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/nfc/nfcsim.c b/drivers/nfc/nfcsim.c
index 26ac9e5fa1ab..93aaca586858 100644
--- a/drivers/nfc/nfcsim.c
+++ b/drivers/nfc/nfcsim.c
@@ -32,6 +32,8 @@
#define NFCSIM_POLL_TARGET 2
#define NFCSIM_POLL_DUAL (NFCSIM_POLL_INITIATOR | NFCSIM_POLL_TARGET)
+#define RX_DEFAULT_DELAY 5
+
struct nfcsim {
struct nfc_dev *nfc_dev;
@@ -51,6 +53,8 @@ struct nfcsim {
u8 initiator;
+ u32 rx_delay;
+
data_exchange_cb_t cb;
void *cb_context;
@@ -320,10 +324,9 @@ static int nfcsim_tx(struct nfc_dev *nfc_dev, struct nfc_target *target,
* If packet transmission occurs immediately between them, we have a
* non-stop flow of several tens of thousands SYMM packets per second
* and a burning cpu.
- *
- * TODO: Add support for a sysfs entry to control this delay.
*/
- queue_delayed_work(wq, &peer->recv_work, msecs_to_jiffies(5));
+ queue_delayed_work(wq, &peer->recv_work,
+ msecs_to_jiffies(dev->rx_delay));
mutex_unlock(&peer->lock);
@@ -461,6 +464,7 @@ static struct nfcsim *nfcsim_init_dev(void)
if (rc)
goto free_nfc_dev;
+ dev->rx_delay = RX_DEFAULT_DELAY;
return dev;
free_nfc_dev:

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