Re: [PATCH 10/19] watchdog: at91sam9: at91_wdt_dt_ids cannot be __init

From: Nicolas Ferre
Date: Mon Jan 28 2013 - 03:32:09 EST


On 01/25/2013 11:44 PM, Arnd Bergmann :
> The device IDs are referenced by the driver and potentially
> used beyond the init time, as kbuild correctly warns
> about. Remove the __initconst annotation.
>
> Without this patch, building at91_dt_defconfig results in:
>
> WARNING: drivers/watchdog/built-in.o(.data+0x28): Section mismatch in reference from the variable at91wdt_driver to the (unknown reference) .init.rodata:(unknown)
> The variable at91wdt_driver references
> the (unknown reference) __initconst (unknown)
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> Cc: Wim Van Sebroeck <wim@xxxxxxxxx>
> Cc: linux-watchdog@xxxxxxxxxxxxxxx
> Cc: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>

Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>

Thanks,

> Cc: Fabio Porcedda <fabio.porcedda@xxxxxxxxx>
> ---
> drivers/watchdog/at91sam9_wdt.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/watchdog/at91sam9_wdt.c b/drivers/watchdog/at91sam9_wdt.c
> index dc42e44..6dad954 100644
> --- a/drivers/watchdog/at91sam9_wdt.c
> +++ b/drivers/watchdog/at91sam9_wdt.c
> @@ -304,7 +304,7 @@ static int __exit at91wdt_remove(struct platform_device *pdev)
> }
>
> #if defined(CONFIG_OF)
> -static const struct of_device_id at91_wdt_dt_ids[] __initconst = {
> +static const struct of_device_id at91_wdt_dt_ids[] = {
> { .compatible = "atmel,at91sam9260-wdt" },
> { /* sentinel */ }
> };
>


--
Nicolas Ferre
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