Re: [PATCH v2] tty: serial: msm: Don't reconfigure same baud rate

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 06/16, Bjorn Andersson wrote:
> msm_set_termios() is called whenever the tty is opened. Setting the baud
> rate requires a full reset of the msm serial block, even when the rate
> is unchanged. In the case when the same uart is used as console this
> reset will discard any console output data still being clocked out of
> the TX fifo.
> 
> By skipping the rate-change in the case where the baud rate is unchanged
> since last request we can avoid the reset and the discarding of the
> data.
> 
> Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> ---

Reviewed-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
--
To unsubscribe from this list: send the line "unsubscribe linux-soc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Samsung SoC]     [Linux Rockchip SoC]     [Linux Actions SoC]     [Linux for Synopsys ARC Processors]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]


  Powered by Linux