Hi Mauro,
On Wed, Mar 20, 2013 at 12:00 AM, Mauro Carvalho Chehab
<mchehab@xxxxxxxxxx> wrote:
> Em Fri, 8 Mar 2013 16:19:07 +0530
> Prabhakar lad <prabhakar.csengg@xxxxxxxxx> escreveu:
>
>> From: Lad, Prabhakar <prabhakar.csengg@xxxxxxxxx>
>>
>> export the symbols which are used by two modules vpif_capture and
>> vpif_display.
>>
>> This patch fixes following error:
>> ERROR: "ch_params" [drivers/media/platform/davinci/vpif_display.ko] undefined!
>> ERROR: "vpif_ch_params_count" [drivers/media/platform/davinci/vpif_display.ko] undefined!
>> ERROR: "vpif_base" [drivers/media/platform/davinci/vpif_display.ko] undefined!
>> ERROR: "ch_params" [drivers/media/platform/davinci/vpif_capture.ko] undefined!
>> ERROR: "vpif_ch_params_count" [drivers/media/platform/davinci/vpif_capture.ko] undefined!
>> ERROR: "vpif_base" [drivers/media/platform/davinci/vpif_capture.ko] undefined!
>> make[1]: *** [__modpost] Error 1
>>
>> Reported-by: Sekhar Nori <nsekhar@xxxxxx>
>> Signed-off-by: Lad, Prabhakar <prabhakar.csengg@xxxxxxxxx>
>> ---
>> Changes for v2:
>> 1: use EXPORT_SYMBOL_GPL instead of EXPORT_SYMBOL() as pointed by
>> Sekhar.
>>
>> drivers/media/platform/davinci/vpif.c | 4 ++++
>> 1 files changed, 4 insertions(+), 0 deletions(-)
>>
>> diff --git a/drivers/media/platform/davinci/vpif.c b/drivers/media/platform/davinci/vpif.c
>> index 28638a8..42c7eba 100644
>> --- a/drivers/media/platform/davinci/vpif.c
>> +++ b/drivers/media/platform/davinci/vpif.c
>> @@ -44,6 +44,8 @@ static struct resource *res;
>> spinlock_t vpif_lock;
>>
>> void __iomem *vpif_base;
>> +EXPORT_SYMBOL_GPL(vpif_base);
>> +
>> struct clk *vpif_clk;
>>
>> /**
>> @@ -220,8 +222,10 @@ const struct vpif_channel_config_params ch_params[] = {
>> .stdid = V4L2_STD_625_50,
>> },
>> };
>> +EXPORT_SYMBOL_GPL(ch_params);
>
> Please don't use simple names like that. It would be very easy that some
> other driver could try to declare the same symbol. Instead, prefix it
> with the driver name (vpif_ch_params).
>
Agreed, I'll respin a new version fixing it.
Cheers,
--Prabhakar
>>
>> const unsigned int vpif_ch_params_count = ARRAY_SIZE(ch_params);
>> +EXPORT_SYMBOL_GPL(vpif_ch_params_count);
>>
>> static inline void vpif_wr_bit(u32 reg, u32 bit, u32 val)
>> {
>
> Regards,
> Mauro
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