On Thu, May 11, 2017 at 7:24 AM, Arnd Bergmann <arnd@xxxxxxxx> wrote:
> It's the pointer that is supposed to be const, not the return
> type of the function.
>
> drivers/of/of_reserved_mem.c: In function '__reserved_mem_init_node':
> drivers/of/of_reserved_mem.c:200:7: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers]
> int const (*initfn)(struct reserved_mem *rmem) = i->data;
>
> Fixes: 17a70355ea57 ("of: fix sparse warnings in fdt, irq, reserved mem, and resolver code")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> drivers/of/of_reserved_mem.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
> index 4dec07ea510f..3f03ec004829 100644
> --- a/drivers/of/of_reserved_mem.c
> +++ b/drivers/of/of_reserved_mem.c
> @@ -197,7 +197,7 @@ static int __init __reserved_mem_init_node(struct reserved_mem *rmem)
> const struct of_device_id *i;
>
> for (i = __reservedmem_of_table; i < &__rmem_of_table_sentinel; i++) {
> - int const (*initfn)(struct reserved_mem *rmem) = i->data;
> + int (* const initfn)(struct reserved_mem *rmem) = i->data;
Why did you move the const here? That doesn't seem to help with sparse.
I think I'll just revert this back to using reservedmem_of_init_fn.
Rob
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