Re: [PATCH resend] video: omap24xxcam: Fix compilation

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Am 15.02.2011 12:44, schrieb Sylwester Nawrocki:
> Hi Felipe,
>
> On 02/15/2011 12:37 PM, Felipe Balbi wrote:
>> On Tue, Feb 15, 2011 at 01:28:19PM +0200, Sakari Ailus wrote:
>>> Thomas Weber wrote:
>>>> Add linux/sched.h because of missing declaration of TASK_NORMAL.
>>>>
>>>> This patch fixes the following error:
>>>>
>>>> drivers/media/video/omap24xxcam.c: In function
>>>> 'omap24xxcam_vbq_complete':
>>>> drivers/media/video/omap24xxcam.c:415: error: 'TASK_NORMAL' undeclared
>>>> (first use in this function)
>>>> drivers/media/video/omap24xxcam.c:415: error: (Each undeclared
>>>> identifier is reported only once
>>>> drivers/media/video/omap24xxcam.c:415: error: for each function it
>>>> appears in.)
>>>>
>>>> Signed-off-by: Thomas Weber <weber@xxxxxxxxxxxxx>
>>> Thanks, Thomas!
>> Are we using the same tree ? I don't see anything related to TASK_* on
> Please have a look at definition of macro wake_up. This where those
> TASK_* flags are used.
>
>> that function on today's mainline, here's a copy of the function:
>>
>>  387 static void omap24xxcam_vbq_complete(struct omap24xxcam_sgdma *sgdma,
>>  388                                      u32 csr, void *arg)
>>  389 {
>>  390         struct omap24xxcam_device *cam =
>>  391                 container_of(sgdma, struct omap24xxcam_device, sgdma);
>>  392         struct omap24xxcam_fh *fh = cam->streaming->private_data;
>>  393         struct videobuf_buffer *vb = (struct videobuf_buffer *)arg;
>>  394         const u32 csr_error = CAMDMA_CSR_MISALIGNED_ERR
>>  395                 | CAMDMA_CSR_SUPERVISOR_ERR | CAMDMA_CSR_SECURE_ERR
>>  396                 | CAMDMA_CSR_TRANS_ERR | CAMDMA_CSR_DROP;
>>  397         unsigned long flags;
>>  398 
>>  399         spin_lock_irqsave(&cam->core_enable_disable_lock, flags);
>>  400         if (--cam->sgdma_in_queue == 0)
>>  401                 omap24xxcam_core_disable(cam);
>>  402         spin_unlock_irqrestore(&cam->core_enable_disable_lock, flags);
>>  403 
>>  404         do_gettimeofday(&vb->ts);
>>  405         vb->field_count = atomic_add_return(2, &fh->field_count);
>>  406         if (csr & csr_error) {
>>  407                 vb->state = VIDEOBUF_ERROR;
>>  408                 if (!atomic_read(&fh->cam->in_reset)) {
>>  409                         dev_dbg(cam->dev, "resetting camera, csr 0x%x\n", csr);
>>  410                         omap24xxcam_reset(cam);
>>  411                 }
>>  412         } else
>>  413                 vb->state = VIDEOBUF_DONE;
>>  414         wake_up(&vb->done);
>>  415 }
>>
>> see that line 415 is where the function ends. My head is
>> 795abaf1e4e188c4171e3cd3dbb11a9fcacaf505
>>
> Cheers,
> Sylwester Nawrocki
> --

Hello Felipe,

in include/linux/wait.h

#define wake_up(x)            __wake_up(x, TASK_NORMAL, 1, NULL)

Regards,
Thomas
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