Re: [PATCH 22/58] move jazzsonic's probe function to .devinit.text

[Geert Uytterhoeven]

2009/3/28 Uwe Kleine-KÃnig <u.kleine-koenig@xxxxxxxxxxxxxx>:
> A pointer to jazz_sonic_probe is passed to the core via
> platform_driver_register and so the function must not disappear when the
> .init sections are discarded. ÂOtherwise (if also having HOTPLUG=y)
> unbinding and binding a device to the driver via sysfs will result in an
> oops as does a device being registered late.
>
> An alternative to this patch is using platform_driver_probe instead of
> platform_driver_register plus removing the pointer to the probe function
> from the struct platform_driver.
>
> Signed-off-by: Uwe Kleine-KÃnig <u.kleine-koenig@xxxxxxxxxxxxxx>
> Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
> Cc: Jeff Garzik <jeff@xxxxxxxxxx>
> Cc: David S. Miller <davem@xxxxxxxxxxxxx>
> Cc: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
> Cc: Finn Thain <fthain@xxxxxxxxxxxxxxxxxxx>
> Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> ---
> Âdrivers/net/jazzsonic.c | Â Â2 +-
> Â1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/net/jazzsonic.c b/drivers/net/jazzsonic.c
> index 14248cf..3695f2d 100644
> --- a/drivers/net/jazzsonic.c
> +++ b/drivers/net/jazzsonic.c
> @@ -204,7 +204,7 @@ out:
> Â* Probe for a SONIC ethernet controller on a Mips Jazz board.
> Â* Actually probing is superfluous but we're paranoid.
> Â*/
> -static int __init jazz_sonic_probe(struct platform_device *pdev)
> +static int __devinit jazz_sonic_probe(struct platform_device *pdev)
> Â{
> Â Â Â Âstruct net_device *dev;
> Â Â Â Âstruct sonic_local *lp;

Same problem in sonic_probe1() (called from sonic_probe())

-Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds
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