| Message ID | 1567046712-23057-1-git-send-email-miaoqing@codeaurora.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | ath10k: fix latency issue for QCA988x | expand |
Miaoqing Pan <miaoqing@codeaurora.org> wrote: > Bad latency is found on QCA988x, the issue was introduced by > commit 4504f0e5b571 ("ath10k: sdio: workaround firmware UART > pin configuration bug"). If uart_pin_workaround is false, this > change will set uart pin even if uart_print is false. > > Tested HW: QCA9880 > Tested FW: 10.2.4-1.0-00037 > > Fixes: 4504f0e5b571 ("ath10k: sdio: workaround firmware UART pin configuration bug") > Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org> > Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Patch applied to ath-next branch of ath.git, thanks. 1340cc631bd0 ath10k: fix latency issue for QCA988x
diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index dc45d16..383d4fa 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -2118,12 +2118,15 @@ static int ath10k_init_uart(struct ath10k *ar) return ret; } - if (!uart_print && ar->hw_params.uart_pin_workaround) { - ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, - ar->hw_params.uart_pin); - if (ret) { - ath10k_warn(ar, "failed to set UART TX pin: %d", ret); - return ret; + if (!uart_print) { + if (ar->hw_params.uart_pin_workaround) { + ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, + ar->hw_params.uart_pin); + if (ret) { + ath10k_warn(ar, "failed to set UART TX pin: %d", + ret); + return ret; + } } return 0;
Bad latency is found on QCA988x, the issue was introduced by commit 4504f0e5b571 ("ath10k: sdio: workaround firmware UART pin configuration bug"). If uart_pin_workaround is false, this change will set uart pin even if uart_print is false. Tested HW: QCA9880 Tested FW: 10.2.4-1.0-00037 Fixes: 4504f0e5b571 ("ath10k: sdio: workaround firmware UART pin configuration bug") Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org> --- drivers/net/wireless/ath/ath10k/core.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-)