tty: serial: 8250_core: restore the LCR register in set_sleep
In ST16650V2 based serial uarts, while initalizing the PM state, LCR registers are being initialized to 0 in serial8250_set_sleep(). If console port is already initialized and being used, this will throws garbage in the console. Signed-off-by: NSudhir Sreedharan <ssreedharan@mvista.com> Reviewed-by: NPeter Hurley <peter@hurleysoftware.com> Tested-by: NKevin Hilman <khilman@linaro.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Showing
想要评论请 注册 或 登录