2014-10-01 07:03:06

by Pramod Gurav

[permalink] [raw]
Subject: [PATCH] ssb: Fix Sparse error in main

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 <[email protected]>
Cc: [email protected]
Signed-off-by: Pramod Gurav <[email protected]>
---
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 */
--
1.7.9.5


2014-10-01 07:29:09

by Paul Bolle

[permalink] [raw]
Subject: Re: [PATCH] ssb: Fix Sparse error in main

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 <[email protected]>
> Cc: [email protected]
> Signed-off-by: Pramod Gurav <[email protected]>
> ---
> 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?


Paul Bolle

2014-10-01 07:35:58

by Pramod Gurav

[permalink] [raw]
Subject: Re: [PATCH] ssb: Fix Sparse error in main

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 <[email protected]>
>> Cc: [email protected]
>> Signed-off-by: Pramod Gurav <[email protected]>
>> ---
>> 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.
>
> Paul Bolle
>

2014-10-01 13:27:13

by Michael Büsch

[permalink] [raw]
Subject: Re: [PATCH] ssb: Fix Sparse error in main

On Wed, 01 Oct 2014 13:09:31 +0530
Pramod Gurav <[email protected]> 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 <[email protected]>
> >> Cc: [email protected]
> >> Signed-off-by: Pramod Gurav <[email protected]>
> >> ---
> >> 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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