Re: [PATCH] serial: 8250_dw: Do not reclock if already at correct rate

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

 



On Thu, Feb 22, 2024 at 11:26:34AM -0800, Peter Collingbourne wrote:
> When userspace opens the console, we call set_termios() passing a
> termios with the console's configured baud rate. Currently this causes
> dw8250_set_termios() to disable and then re-enable the UART clock at
> the same frequency as it was originally. This can cause corruption
> of any concurrent console output. Fix it by skipping the reclocking
> if we are already at the correct rate.

Makes sense to me from code perspective.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>

-- 
With Best Regards,
Andy Shevchenko






[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux