On Sat, Jun 27, 2020 at 04:23:15PM +0200, Greg KH wrote: > On Fri, Jun 05, 2020 at 04:43:21PM +0800, Fugang Duan wrote: > > GKI kernel requires drivers built as modules including > > console driver, so add the support that imx serial console > > driver can be built as module. > > > > The changes of the patch: > > - imx console driver can be built as module. > > - move out earlycon code to separated driver like imx_earlycon.c, > > and imx earlycon driver only support build-in. > > > > Signed-off-by: Fugang Duan <fugang.duan@xxxxxxx> > > --- > > drivers/tty/serial/Kconfig | 17 +++++++---- > > drivers/tty/serial/Makefile | 1 + > > drivers/tty/serial/imx.c | 37 ++--------------------- > > drivers/tty/serial/imx_earlycon.c | 50 +++++++++++++++++++++++++++++++ > > 4 files changed, 65 insertions(+), 40 deletions(-) > > > > diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig > > index adf9e80e7dc9..890cbf214561 100644 > > --- a/drivers/tty/serial/Kconfig > > +++ b/drivers/tty/serial/Kconfig > > @@ -502,20 +502,27 @@ config SERIAL_IMX > > can enable its onboard serial port by enabling this option. > > > > config SERIAL_IMX_CONSOLE > > - bool "Console on IMX serial port" > > - depends on SERIAL_IMX=y > > + tristate "Console on IMX serial port" > > + depends on SERIAL_IMX > > select SERIAL_CORE_CONSOLE > > - select SERIAL_EARLYCON if OF > > help > > If you have enabled the serial port on the Freescale IMX > > - CPU you can make it the console by answering Y to this option. > > + CPU you can make it the console by answering Y/M to this option. > > > > - Even if you say Y here, the currently visible virtual console > > + Even if you say Y/M here, the currently visible virtual console > > (/dev/tty0) will still be used as the system console by default, but > > you can alter that using a kernel command line option such as > > "console=ttymxc0". (Try "man bootparam" or see the documentation of > > your bootloader about how to pass options to the kernel at boot time.) > > > > +config SERIAL_IMX_EARLYCON > > + bool "Earlycon on IMX serial port" > > + depends OF > > + select SERIAL_EARLYCON if OF Given that SERIAL_IMX_EARLYCON depends on OF, the select can be unconditional. Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | https://www.pengutronix.de/ |
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