From: Tedd Ho-Jeong An <tedd.an@xxxxxxxxx>
This patch adds the tiemout for Intel specific device initialization.
Signed-off-by: Tedd Ho-Jeong An <tedd.an@xxxxxxxxx>
---
drivers/bluetooth/btusb_intel.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/drivers/bluetooth/btusb_intel.c b/drivers/bluetooth/btusb_intel.c
index d45ddb9..3657203 100644
--- a/drivers/bluetooth/btusb_intel.c
+++ b/drivers/bluetooth/btusb_intel.c
@@ -30,6 +30,9 @@
#include "btusb.h"
+/* patch timeout - 10 seconds */
+#define INTEL_PATCH_TIMEOUT msecs_to_jiffies(10000)
+
/* Intel specific HCI cmd opcodes */
#define INTEL_HCI_MFG_MODE 0xfc11
#define INTEL_HCI_GET_VER 0xfc05
@@ -71,6 +74,7 @@ struct intel_patch_data {
u8 patch_reset;
struct completion wait_patch_completion;
+ struct timer_list patch_timeout;
char device_ver[32];
const struct firmware *fw;
@@ -222,6 +226,16 @@ static int intel_prepare_patch_file(struct intel_patch_data *data)
return 0;
}
+static void intel_patch_timeout(unsigned long arg)
+{
+ struct intel_patch_data *data = (void *)arg;
+
+ BT_ERR("patch timer expired");
+ data->state = INTEL_PATCH_ERROR;
+
+ complete(&data->wait_patch_completion);
+}
+
int btusb_intel_init(struct hci_dev *hdev)
{
int ret;
@@ -243,6 +257,10 @@ int btusb_intel_init(struct hci_dev *hdev)
init_completion(&data->wait_patch_completion);
+ setup_timer(&data->patch_timeout, intel_patch_timeout,
+ (unsigned long) data);
+ mod_timer(&data->patch_timeout, jiffies + INTEL_PATCH_TIMEOUT);
+
while (cont) {
BT_DBG("patch state: %d", data->state);
switch (data->state) {
@@ -324,6 +342,7 @@ skip_wait:
}
exit_error:
+ del_timer_sync(&data->patch_timeout);
release_firmware(data->fw);
kfree(data);
--
1.7.9.5
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