Re: [PATCH -next] tty: hvc: fix link error with CONFIG_SERIAL_CORE_CONSOLE=n

[Greg KH <gregkh@linuxfoundation.org>]

On Sat, Sep 19, 2020 at 10:48:41AM +0800, Yang Yingliang wrote:
> 
> On 2020/9/18 19:17, Greg KH wrote:
> > On Fri, Sep 18, 2020 at 05:20:30PM +0800, Yang Yingliang wrote:
> > > Fix the link error by selecting SERIAL_CORE_CONSOLE.
> > > 
> > > aarch64-linux-gnu-ld: drivers/tty/hvc/hvc_dcc.o: in function `dcc_early_write':
> > > hvc_dcc.c:(.text+0x164): undefined reference to `uart_console_write'
> > > 
> > > Reported-by: Hulk Robot <hulkci@huawei.com>
> > > Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
> > > ---
> > >   drivers/tty/hvc/Kconfig | 1 +
> > >   1 file changed, 1 insertion(+)
> > > 
> > > diff --git a/drivers/tty/hvc/Kconfig b/drivers/tty/hvc/Kconfig
> > > index d1b27b0522a3..8d60e0ff67b4 100644
> > > --- a/drivers/tty/hvc/Kconfig
> > > +++ b/drivers/tty/hvc/Kconfig
> > > @@ -81,6 +81,7 @@ config HVC_DCC
> > >   	bool "ARM JTAG DCC console"
> > >   	depends on ARM || ARM64
> > >   	select HVC_DRIVER
> > > +	select SERIAL_CORE_CONSOLE
> > >   	help
> > >   	  This console uses the JTAG DCC on ARM to create a console under the HVC
> > >   	  driver. This console is used through a JTAG only on ARM. If you don't have
> > > -- 
> > > 2.25.1
> > > 
> > Same question here, what caused this problem to happen?
> Fixes: d1a1af2cdf19 ("hvc: dcc: Add earlycon support")

Great, can you resend with that added please?

thanks,

greg k-h