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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