Re: [PATCH] ssb: Fix Sparse error in main

From: Michael BÃsch
Date: Wed Oct 01 2014 - 09:27:16 EST


On Wed, 01 Oct 2014 13:09:31 +0530
Pramod Gurav <pramod.gurav@xxxxxxxxxxxxxxx> wrote:

> On Wednesday 01 October 2014 12:59 PM, Paul Bolle wrote:
> > On Wed, 2014-10-01 at 12:36 +0530, Pramod Gurav wrote:
> >> This change fixes below sparse error:
> >>
> >> drivers/ssb/main.c:94:16: warning: symbol 'ssb_sdio_func_to_bus'
> >> was not declared. Should it be static?
> >>
> >> Cc: Michael Buesch <m@xxxxxxx>
> >> Cc: netdev@xxxxxxxxxxxxxxx
> >> Signed-off-by: Pramod Gurav <pramod.gurav@xxxxxxxxxxxxxxx>
> >> ---
> >> drivers/ssb/ssb_private.h | 1 +
> >> 1 file changed, 1 insertion(+)
> >>
> >> diff --git a/drivers/ssb/ssb_private.h b/drivers/ssb/ssb_private.h
> >> index eb507a5..86bbbe3 100644
> >> --- a/drivers/ssb/ssb_private.h
> >> +++ b/drivers/ssb/ssb_private.h
> >> @@ -193,6 +193,7 @@ extern struct ssb_bus *ssb_pci_dev_to_bus(struct pci_dev *pdev);
> >> int ssb_for_each_bus_call(unsigned long data,
> >> int (*func)(struct ssb_bus *bus, unsigned long data));
> >> extern struct ssb_bus *ssb_pcmcia_dev_to_bus(struct pcmcia_device *pdev);
> >> +struct ssb_bus *ssb_sdio_func_to_bus(struct sdio_func *func);
> >>
> >> struct ssb_freeze_context {
> >> /* Pointer to the bus */
> >
> > To me this looked like an odd way to silence that warning. So I dug a
> > bit further.
> >
> > ssb_sdio_func_to_bus() was added in commit 24ea602e183c ("ssb: Implement
> > SDIO host bus support"). So it was added in release v2.6.32. I found no
> > evidence this function was ever used. Can't it be removed?
> >
> Thanks Paul for review. Initially I too had greped for this function in
> kernel and found noone using it. But I thought this function might be
> useful in future. About removing it, may be original author can tell.


If it's unused, please remove it.



--
Michael

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