Re: [BUILD_FAILURE] next-20091013 s390x - build breaks SCLP VT220terminal driver

From: Kamalesh Babulal
Date: Wed Oct 14 2009 - 12:03:28 EST


* Martin Schwidefsky <schwidefsky@xxxxxxxxxx> [2009-10-14 12:45:53]:

> On Tue, 13 Oct 2009 21:58:09 +0530
> Kamalesh Babulal <kamalesh@xxxxxxxxxxxxxxxxxx> wrote:
>
> > next-20091013 randconfig build on s390x build breaks with
> >
> > drivers/s390/built-in.o:(.data+0x3354): undefined reference to `sclp_vt220_pm_event_fn'
>
> Michael pointed out a problem with my fix: suspend/resume of a vt220 console with
> SCLP_VT220_CONSOLE=n doesn't work any more. V2 of the patch:
>

Thanks, the patch fixes the build failure.

> --
> Subject: [PATCH] sclp_vt220 build fix
>
> From: Michael Holzheu <michael.holzheu@xxxxxxxxxxxxxxxxxx>
>
> Fix this build error:
>
> next-20091013 randconfig build on s390x build breaks with
>
> drivers/s390/built-in.o:(.data+0x3354): undefined reference to `sclp_vt220_pm_event_fn'
>
Tested-by: Kamalesh Babulal <kamalesh@xxxxxxxxxxxxxxxxxx>
> Reported-by: Kamalesh Babulal <kamalesh@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Michael Holzheu <michael.holzheu@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
> ---
>
> drivers/s390/char/sclp_vt220.c | 30 +++++++++++++++---------------
> 1 file changed, 15 insertions(+), 15 deletions(-)
>
> diff -urpN linux-2.6/drivers/s390/char/sclp_vt220.c linux-2.6-patched/drivers/s390/char/sclp_vt220.c
> --- linux-2.6/drivers/s390/char/sclp_vt220.c 2009-09-10 00:13:59.000000000 +0200
> +++ linux-2.6-patched/drivers/s390/char/sclp_vt220.c 2009-10-14 12:41:48.000000000 +0200
> @@ -705,21 +705,6 @@ out_driver:
> }
> __initcall(sclp_vt220_tty_init);
>
> -#ifdef CONFIG_SCLP_VT220_CONSOLE
> -
> -static void
> -sclp_vt220_con_write(struct console *con, const char *buf, unsigned int count)
> -{
> - __sclp_vt220_write((const unsigned char *) buf, count, 1, 1, 0);
> -}
> -
> -static struct tty_driver *
> -sclp_vt220_con_device(struct console *c, int *index)
> -{
> - *index = 0;
> - return sclp_vt220_driver;
> -}
> -
> static void __sclp_vt220_flush_buffer(void)
> {
> unsigned long flags;
> @@ -776,6 +761,21 @@ static void sclp_vt220_pm_event_fn(struc
> }
> }
>
> +#ifdef CONFIG_SCLP_VT220_CONSOLE
> +
> +static void
> +sclp_vt220_con_write(struct console *con, const char *buf, unsigned int count)
> +{
> + __sclp_vt220_write((const unsigned char *) buf, count, 1, 1, 0);
> +}
> +
> +static struct tty_driver *
> +sclp_vt220_con_device(struct console *c, int *index)
> +{
> + *index = 0;
> + return sclp_vt220_driver;
> +}
> +
> static int
> sclp_vt220_notify(struct notifier_block *self,
> unsigned long event, void *data)
> --
> blue skies,
> Martin.
>
> "Reality continues to ruin my life." - Calvin.
>

Kamalesh
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