diff options
| author | David Chu <david.chu@mediatek.com> | 2016-05-19 12:29:10 -0700 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-04-11 11:00:06 +0200 |
| commit | 327390d53d4028d59e2f734aafb09fff9e7aa05b (patch) | |
| tree | 046d91402277ba4d3619ad59f625c40d94dc0a9b | |
| parent | 0b225d3a079571b3a1324e376f5ef7ea6ec2de4a (diff) | |
A2DP performance improvement.
Replaced busy udelay loop with usleep_range
to reduce CPU usage in stp_sdio_tx_rx.
Bug: 27713674
| -rw-r--r-- | drivers/misc/mediatek/connectivity/combo/common/linux/stp_sdio.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/misc/mediatek/connectivity/combo/common/linux/stp_sdio.c b/drivers/misc/mediatek/connectivity/combo/common/linux/stp_sdio.c index 8b488183c..ed06c3f1b 100644 --- a/drivers/misc/mediatek/connectivity/combo/common/linux/stp_sdio.c +++ b/drivers/misc/mediatek/connectivity/combo/common/linux/stp_sdio.c @@ -503,13 +503,13 @@ static INT32 stp_sdio_do_own_clr(INT32 wait) if ((chlcpr_value & C_FW_COM_DRV_OWN) == C_FW_COM_DRV_OWN) { //4 <2> handle ownership back interrupt STPSDIO_DBG_FUNC("firmware ownback is polled!(%d)\n", CLR_OWN_RETRY - retry); - udelay(2000); + usleep_range(2000,2000); break; } else { STPSDIO_DBG_FUNC ("firmware ownback is no polled, wait for (%d us) and retry\n", delay_us); - udelay(delay_us); + usleep_range(delay_us,delay_us); } } while (retry-- > 0); |