netdev - Re: [PATCH] stmmac: fix sparse warnings

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Date:	Wed, 5 Nov 2014 10:27:24 +0100
From:	Giuseppe CAVALLARO <peppe.cavallaro@...com>
To:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:	<netdev@...r.kernel.org>,
	Kweh Hock Leong <hock.leong.kweh@...el.com>,
	"David S . Miller" <davem@...emloft.net>,
	Vince Bridgers <vbridgers2013@...il.com>
Subject: Re: [PATCH] stmmac: fix sparse warnings

On 11/5/2014 10:03 AM, Andy Shevchenko wrote:
> On Tue, 2014-11-04 at 17:35 +0100, Giuseppe CAVALLARO wrote:
>> On 11/3/2014 6:28 PM, Andy Shevchenko wrote:
>>> This patch fixes the following sparse warnings.
>>>
>>> drivers/net/ethernet/stmicro/stmmac/enh_desc.c:381:30: warning: symbol 'enh_desc_ops' was not declared. Should it be static?
>>> drivers/net/ethernet/stmicro/stmmac/norm_desc.c:253:30: warning: symbol 'ndesc_ops' was not declared. Should it be static?
>>> drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c:141:33: warning: symbol 'stmmac_ptp' was not declared. Should it be static?
>>>
>>> There is no functional change.
>>
>> Hello Andy
>>
>> I have never seen this kind of warnings. I prefer to not include the
>> stmmac.h in enh_desc.c and norm_desc.c but eventually to move the
>> following from stmmac.h to common.h:
>>     extern const struct stmmac_desc_ops enh_desc_ops;
>>     extern const struct stmmac_desc_ops ndesc_ops;
>> what do you think?
>
> If it would work I do this way certainly. Thanks for the tip.

yes Andy just verified with sparse, pls also fix:

extern const struct stmmac_hwtimestamp stmmac_ptp;

in the same way.

>
> Will check soon and resubmit new version.

sure and you can add my Acked-by:

peppe

>
>>
>> peppe
>>
>>
>>>
>>> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
>>> ---
>>>    drivers/net/ethernet/stmicro/stmmac/enh_desc.c        | 2 ++
>>>    drivers/net/ethernet/stmicro/stmmac/norm_desc.c       | 2 ++
>>>    drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c | 2 ++
>>>    3 files changed, 6 insertions(+)
>>>
>>> diff --git a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c
>>> index 1e2bcf5..ddd4272 100644
>>> --- a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c
>>> +++ b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c
>>> @@ -23,8 +23,10 @@
>>>    *******************************************************************************/
>>>
>>>    #include <linux/stmmac.h>
>>> +
>>>    #include "common.h"
>>>    #include "descs_com.h"
>>> +#include "stmmac.h"
>>>
>>>    static int enh_desc_get_tx_status(void *data, struct stmmac_extra_stats *x,
>>>    				  struct dma_desc *p, void __iomem *ioaddr)
>>> diff --git a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c
>>> index 35ad4f4..46b882c 100644
>>> --- a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c
>>> +++ b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c
>>> @@ -23,8 +23,10 @@
>>>    *******************************************************************************/
>>>
>>>    #include <linux/stmmac.h>
>>> +
>>>    #include "common.h"
>>>    #include "descs_com.h"
>>> +#include "stmmac.h"
>>>
>>>    static int ndesc_get_tx_status(void *data, struct stmmac_extra_stats *x,
>>>    			       struct dma_desc *p, void __iomem *ioaddr)
>>> diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
>>> index 76ad214..88e0da3 100644
>>> --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
>>> +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
>>> @@ -25,8 +25,10 @@
>>>
>>>    #include <linux/io.h>
>>>    #include <linux/delay.h>
>>> +
>>>    #include "common.h"
>>>    #include "stmmac_ptp.h"
>>> +#include "stmmac.h"
>>>
>>>    static void stmmac_config_hw_tstamping(void __iomem *ioaddr, u32 data)
>>>    {
>>>
>>
>
>

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