diff options
| author | Jan Engelmohr <jan.engelmohr@mailbox.tu-dresden.de> | 2016-07-26 18:10:00 +0200 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2016-08-26 15:59:39 +0200 |
| commit | d2ee3e254ee0939806c103c145035ddac9fe5953 (patch) | |
| tree | 2fc8a4984c6cec24591bb68f3e0623bd1c1d45fc /drivers/bluetooth | |
| parent | a2904e3eed56216fe65091d9b3638ae1f90e43fa (diff) | |
3.10.70 -> 3.10.71
Diffstat (limited to 'drivers/bluetooth')
| -rw-r--r-- | drivers/bluetooth/ath3k.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c index 2acabdaec..dad8891ec 100644 --- a/drivers/bluetooth/ath3k.c +++ b/drivers/bluetooth/ath3k.c @@ -151,6 +151,8 @@ static struct usb_device_id ath3k_blist_tbl[] = { #define USB_REQ_DFU_DNLOAD 1 #define BULK_SIZE 4096 #define FW_HDR_SIZE 20 +#define TIMEGAP_USEC_MIN 50 +#define TIMEGAP_USEC_MAX 100 static int ath3k_load_firmware(struct usb_device *udev, const struct firmware *firmware) @@ -181,6 +183,9 @@ static int ath3k_load_firmware(struct usb_device *udev, count -= 20; while (count) { + /* workaround the compatibility issue with xHCI controller*/ + usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX); + size = min_t(uint, count, BULK_SIZE); pipe = usb_sndbulkpipe(udev, 0x02); memcpy(send_buf, firmware->data + sent, size); @@ -277,6 +282,9 @@ static int ath3k_load_fwfile(struct usb_device *udev, count -= size; while (count) { + /* workaround the compatibility issue with xHCI controller*/ + usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX); + size = min_t(uint, count, BULK_SIZE); pipe = usb_sndbulkpipe(udev, 0x02); |