Messages in this thread | | | Date | Tue, 18 Jun 2019 09:51:29 +0200 | From | Greg KH <> | Subject | Re: [PATCH] tty: serial_core: recover uport->cons->cflag on uart_close |
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On Sun, Jun 16, 2019 at 06:57:14PM +0400, kpark3469@gmail.com wrote: > From: Sahara <keun-o.park@darkmatter.ae>
I need a "full" name here please, something you use to sign legal documents.
> Since uart_close was converted to use tty_port_close, uart_shutdown > also moved to uart_tty_port_shutdown, which means it does not backup > tty's termios to uart_port.console.cflag when console is closed and > uart_console is true. > By losing this value, serial console was not set correctly especially > after suspend/resume when there is no consumer of console device. > This problem resets console driver's configuration to an unwanted value > and may give a performance regression in the system eventually. > This patch fixes the bug introduced from v4.9 kernel. > > Fixes: 761ed4a94582 ("tty: serial_core: convert uart_close to use tty_port_close") > Reported-by: Jouni Linnamaa <Jouni.Linnamaa@darkmatter.ae> > Signed-off-by: Sahara <keun-o.park@darkmatter.ae>
Same here as well.
thanks,
greg k-h
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