Re: [PATCH] ARM:SAMSUNG: DMA Cleanup as per sparse

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I can reproduce this errors and let me see how to fix those.


On 6 July 2011 07:08, Kukjin Kim <kgene.kim@xxxxxxxxxxx> wrote:
> Kukjin Kim wrote:
>>
>> Sangwook Lee wrote:
>> >
>> > Function declaration differs between file:s3c-pl330.c and file:dma.h
>> > and SPARSE (Documentation/sparse.txt) gives error messages
>> >
>> > Signed-off-by: Sangwook Lee <sangwook.lee@xxxxxxxxxx>
>> > ---
>> >  arch/arm/plat-samsung/include/plat/dma.h |   16 ++++++++--------
>> >  1 files changed, 8 insertions(+), 8 deletions(-)
>> >
>> > diff --git a/arch/arm/plat-samsung/include/plat/dma.h b/arch/arm/plat-
>> > samsung/include/plat/dma.h
>> > index 2e8f8c6..7365f46 100644
>> > --- a/arch/arm/plat-samsung/include/plat/dma.h
>> > +++ b/arch/arm/plat-samsung/include/plat/dma.h
>> > @@ -62,7 +62,7 @@ typedef int  (*s3c2410_dma_opfn_t)(struct
>> > s3c2410_dma_chan *,
>> >   * request a dma channel exclusivley
>> >  */
>> >
>> > -extern int s3c2410_dma_request(unsigned int channel,
>> > +extern int s3c2410_dma_request(enum dma_ch id,
>> >                            struct s3c2410_dma_client *, void *dev);
>> >
>> >
>> > @@ -71,14 +71,14 @@ extern int s3c2410_dma_request(unsigned int channel,
>> >   * change the state of the dma channel
>> >  */
>> >
>> > -extern int s3c2410_dma_ctrl(unsigned int channel, enum s3c2410_chan_op
> op);
>> > +extern int s3c2410_dma_ctrl(enum dma_ch id, enum s3c2410_chan_op op);
>> >
>> >  /* s3c2410_dma_setflags
>> >   *
>> >   * set the channel's flags to a given state
>> >  */
>> >
>> > -extern int s3c2410_dma_setflags(unsigned int channel,
>> > +extern int s3c2410_dma_setflags(enum dma_ch id,
>> >                             unsigned int flags);
>> >
>> >  /* s3c2410_dma_free
>> > @@ -86,7 +86,7 @@ extern int s3c2410_dma_setflags(unsigned int channel,
>> >   * free the dma channel (will also abort any outstanding operations)
>> >  */
>> >
>> > -extern int s3c2410_dma_free(unsigned int channel, struct
> s3c2410_dma_client *);
>> > +extern int s3c2410_dma_free(enum dma_ch id, struct s3c2410_dma_client
> *);
>> >
>> >  /* s3c2410_dma_enqueue
>> >   *
>> > @@ -95,7 +95,7 @@ extern int s3c2410_dma_free(unsigned int channel,
> struct
>> > s3c2410_dma_client *);
>> >   * drained before the buffer is given to the DMA system.
>> >  */
>> >
>> > -extern int s3c2410_dma_enqueue(unsigned int channel, void *id,
>> > +extern int s3c2410_dma_enqueue(enum dma_ch idx, void *id,
>> >                            dma_addr_t data, int size);
>> >
>> >  /* s3c2410_dma_config
>> > @@ -103,14 +103,14 @@ extern int s3c2410_dma_enqueue(unsigned int
> channel,
>> > void *id,
>> >   * configure the dma channel
>> >  */
>> >
>> > -extern int s3c2410_dma_config(unsigned int channel, int xferunit);
>> > +extern int s3c2410_dma_config(enum dma_ch id, int xferunit);
>> >
>> >  /* s3c2410_dma_devconfig
>> >   *
>> >   * configure the device we're talking to
>> >  */
>> >
>> > -extern int s3c2410_dma_devconfig(unsigned int channel,
>> > +extern int s3c2410_dma_devconfig(enum dma_ch id,
>> >             enum s3c2410_dmasrc source, unsigned long devaddr);
>> >
>> >  /* s3c2410_dma_getposition
>> > @@ -118,7 +118,7 @@ extern int s3c2410_dma_devconfig(unsigned int
> channel,
>> >   * get the position that the dma transfer is currently at
>> >  */
>> >
>> > -extern int s3c2410_dma_getposition(unsigned int channel,
>> > +extern int s3c2410_dma_getposition(enum dma_ch id,
>> >                                dma_addr_t *src, dma_addr_t *dest);
>> >
>> >  extern int s3c2410_dma_set_opfn(unsigned int, s3c2410_dma_opfn_t rtn);
>> > --
>
> Hi Sangwook Lee,
>
> I reverted this in my -fix tree just now because this makes following error
> with s3c2410_defconfig.
>
> arch/arm/plat-samsung/include/plat/dma.h:66: warning: 'enum dma_ch' declared
> inside parameter list
> arch/arm/plat-samsung/include/plat/dma.h:66: warning: its scope is only this
> definition or declaration, which is probably not what you want
> arch/arm/plat-samsung/include/plat/dma.h:74: warning: 'enum dma_ch' declared
> inside parameter list
> arch/arm/plat-samsung/include/plat/dma.h:82: warning: 'enum dma_ch' declared
> inside parameter list
> arch/arm/plat-samsung/include/plat/dma.h:89: warning: 'enum dma_ch' declared
> inside parameter list
> arch/arm/plat-samsung/include/plat/dma.h:99: warning: 'enum dma_ch' declared
> inside parameter list
> arch/arm/plat-samsung/include/plat/dma.h:106: warning: 'enum dma_ch'
> declared inside parameter list
> arch/arm/plat-samsung/include/plat/dma.h:114: warning: 'enum dma_ch'
> declared inside parameter list
> arch/arm/plat-samsung/include/plat/dma.h:122: warning: 'enum dma_ch'
> declared inside parameter list
> drivers/mmc/host/s3cmci.c: In function 'finalize_request':
> drivers/mmc/host/s3cmci.c:889: error: type of formal parameter 1 is
> incomplete
> drivers/mmc/host/s3cmci.c: In function 's3cmci_dma_setup':
> drivers/mmc/host/s3cmci.c:927: error: type of formal parameter 1 is
> incomplete
> drivers/mmc/host/s3cmci.c:930: error: type of formal parameter 1 is
> incomplete
> drivers/mmc/host/s3cmci.c:933: error: type of formal parameter 1 is
> incomplete
> drivers/mmc/host/s3cmci.c: In function 's3cmci_prepare_dma':
> drivers/mmc/host/s3cmci.c:1091: error: type of formal parameter 1 is
> incomplete
> drivers/mmc/host/s3cmci.c:1111: error: type of formal parameter 1 is
> incomplete
> drivers/mmc/host/s3cmci.c:1114: error: type of formal parameter 1 is
> incomplete
> drivers/mmc/host/s3cmci.c:1119: error: type of formal parameter 1 is
> incomplete
> drivers/mmc/host/s3cmci.c: In function 's3cmci_probe':
> drivers/mmc/host/s3cmci.c:1692: error: type of formal parameter 1 is
> incomplete
> drivers/mmc/host/s3cmci.c:1778: error: type of formal parameter 1 is
> incomplete
> drivers/mmc/host/s3cmci.c: In function 's3cmci_remove':
> drivers/mmc/host/s3cmci.c:1840: error: type of formal parameter 1 is
> incomplete
>
> Thanks.
>
> Best regards,
> Kgene.
> --
> Kukjin Kim <kgene.kim@xxxxxxxxxxx>, Senior Engineer,
> SW Solution Development Team, Samsung Electronics Co., Ltd.
>
>
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