able
> 'dmadev' [-Werror=unused-variable]
>
> Fixes: 8f0aa38292f2 ("media: v4l: omap_vout: vrfb: Use the wrapper for
> prep_interleaved_dma()")
> Signed-off-by: Arnd Bergmann <a...@arndb.de>
Reviewed-by: Peter Ujfalusi <peter.ujfal...@ti.com>
> ---
> dr
Instead of directly accessing to dmadev->device_prep_interleaved_dma() use
the dmaengine_prep_interleaved_dma() wrapper instead.
Signed-off-by: Peter Ujfalusi <peter.ujfal...@ti.com>
---
drivers/media/platform/omap/omap_vout_vrfb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion
: v4l: omap_vout: vrfb: Convert to dmaengine")
> Signed-off-by: Arnd Bergmann <a...@arndb.de>
Acked-by: Peter Ujfalusi <peter.ujfal...@ti.com>
> ---
> drivers/media/platform/omap/omap_vout_vrfb.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff -
On 2017-05-03 14:08, Peter Ujfalusi wrote:
The dmaengine driver for sDMA now have support for interleaved transfer.
This trasnfer type was open coded with the legacy omap-dma API, but now
we can move it to dmaengine.
Signed-off-by: Peter Ujfalusi <peter.ujfal...@ti.com>
---
Hi,
changes
The dmaengine driver for sDMA now have support for interleaved transfer.
This trasnfer type was open coded with the legacy omap-dma API, but now
we can move it to dmaengine.
Signed-off-by: Peter Ujfalusi <peter.ujfal...@ti.com>
---
Hi,
changes since RESEND (27.10.2016):
- rebased o
Hi Laurent,
On 11/03/2016 05:12 PM, Laurent Pinchart wrote:
>> It is a bit misleading that it used dma_request_slave_channel_compat()
>> for getting the channel.
>>
>> I think what would be correct is:
>> dma_cap_mask_t mask;
>>
>> dma_cap_zero(mask);
>> dma_cap_set(DMA_SLAVE, mask);
>>
the
misleading use of the DMAengine API - implying that the omap3isp does
need to have DMA resource or valid dma binding in DT.
Signed-off-by: Peter Ujfalusi <peter.ujfal...@ti.com>
CC: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
CC: Mauro Carvalho Chehab <mche...@osg.sams
On 11/03/2016 11:23 AM, Peter Ujfalusi wrote:
>
> On 11/02/2016 11:19 PM, Laurent Pinchart wrote:
>> > Hi Peter,
>> >
>> > Thank you for the patch.
>> >
>> > On Wednesday 02 Nov 2016 14:39:59 Peter Ujfalusi wrote:
>>> >> With
On 11/02/2016 11:19 PM, Laurent Pinchart wrote:
> Hi Peter,
>
> Thank you for the patch.
>
> On Wednesday 02 Nov 2016 14:39:59 Peter Ujfalusi wrote:
>> With the new dma_request_chan() the client driver does not need to look for
>> the DMA resource and it does not nee
With the new dma_request_chan() the client driver does not need to look for
the DMA resource and it does not need to pass filter_fn anymore.
By switching to the new API the driver can now support deferred probing
against DMA.
Signed-off-by: Peter Ujfalusi <peter.ujfal...@ti.com>
CC: L
Hi,
On 08/18/16 13:22, Peter Ujfalusi wrote:
> The dmaengine driver for sDMA now have support for interleaved transfer.
> This trasnfer type was open coded with the legacy omap-dma API, but now
> we can move it to dmaengine.
>
> Signed-off-by: Peter Ujfalusi <pet
v4l2_err() can not be used for printing error for missing interleaved
support in DMA as this point the pcdev->v4l2_dev is not valid.
Signed-off-by: Peter Ujfalusi <peter.ujfal...@ti.com>
---
drivers/media/platform/m2m-deinterlace.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion
The dmaengine driver for sDMA now have support for interleaved transfer.
This trasnfer type was open coded with the legacy omap-dma API, but now
we can move it to dmaengine.
Signed-off-by: Peter Ujfalusi <peter.ujfal...@ti.com>
---
The dmaengine driver for sDMA now have support for inter
With the new dma_request_chan() the client driver does not need to look for
the DMA resource and it does not need to pass filter_fn anymore.
By switching to the new API the driver can now support deferred probing
against DMA.
Signed-off-by: Peter Ujfalusi <peter.ujfal...@ti.com>
CC: L
On 11/20/2015 02:24 PM, Andy Shevchenko wrote:
> On Fri, Nov 20, 2015 at 12:58 PM, Arnd Bergmann <a...@arndb.de> wrote:
>> On Friday 20 November 2015 12:25:06 Peter Ujfalusi wrote:
>>> On 11/19/2015 01:25 PM, Arnd Bergmann wrote:
>
>> Another idea would be t
On 11/20/2015 12:58 PM, Arnd Bergmann wrote:
>>> That way the vast majority of drivers can use one of the two nice interfaces
>>> and the rest can be converted to use __dma_request_chan().
>>>
>>> On a related topic, we had in the past considered providing a way for
>>> platform code to register a
On 11/19/2015 01:25 PM, Arnd Bergmann wrote:
>> If we have two main APIs, one to request slave channels and one to get any
>> channel with given capability
>> dma_request_slave_channel(NULL, NULL, , fn, fn_param); /* Legacy slave
>> */
>> dma_request_slave_channel(dev, name, NULL, NULL, NULL); /*
On 11/18/2015 05:46 PM, Andy Shevchenko wrote:
> On Wed, Nov 18, 2015 at 4:21 PM, Peter Ujfalusi <peter.ujfal...@ti.com> wrote:
>> Hi Vinod,
>>
>> bringing this old thread back to life as I just started to work on this.
>
> What I remember we need to convert
On 11/18/2015 05:07 PM, Arnd Bergmann wrote:
> On Wednesday 18 November 2015 16:41:35 Peter Ujfalusi wrote:
>> On 11/18/2015 04:29 PM, Arnd Bergmann wrote:
>>> On Wednesday 18 November 2015 16:21:26 Peter Ujfalusi wrote:
>>>> 2. non slave channel requests, where
On 11/18/2015 04:29 PM, Arnd Bergmann wrote:
> On Wednesday 18 November 2015 16:21:26 Peter Ujfalusi wrote:
>> 2. non slave channel requests, where only the functionality matters, like
>> memcpy, interleaved, memset, etc.
>> We could have a simple:
>> dma_request_chann
Hi Vinod,
bringing this old thread back to life as I just started to work on this.
On 06/24/2015 07:24 PM, Vinod Koul wrote:
>> We would end up with the following APIs, all returning with error code on
>> failure:
>> dma_request_slave_channel(dev, name);
>> dma_request_channel_legacy(mask, fn,
the coming weeks.
Thanks,
Péter
>
> On Tuesday 26 May 2015 16:26:07 Peter Ujfalusi wrote:
>> Switch to use ma_request_slave_channel_compat_reason() to request the DMA
>> channel. Only fall back to pio mode if the error code returned is not
>> -EPROBE_DEFER, otherwise retur
On 06/12/2015 03:58 PM, Vinod Koul wrote:
Sorry this slipped thru
I was away for a week anyways ;)
Thinking about it again, I think we should coverge to two APIs and mark the
legacy depracuated and look to convert folks and phase that out
Currently, w/o this series we have these APIs:
/* to
Vinod,
On 06/02/2015 03:55 PM, Vinod Koul wrote:
On Fri, May 29, 2015 at 05:32:50PM +0300, Peter Ujfalusi wrote:
On 05/29/2015 01:18 PM, Vinod Koul wrote:
On Fri, May 29, 2015 at 11:42:27AM +0200, Geert Uytterhoeven wrote:
On Fri, May 29, 2015 at 11:33 AM, Vinod Koul vinod.k...@intel.com
On 05/29/2015 01:18 PM, Vinod Koul wrote:
On Fri, May 29, 2015 at 11:42:27AM +0200, Geert Uytterhoeven wrote:
On Fri, May 29, 2015 at 11:33 AM, Vinod Koul vinod.k...@intel.com wrote:
On Tue, May 26, 2015 at 04:25:57PM +0300, Peter Ujfalusi wrote:
dma_request_slave_channel_compat() 'eats' up
On 05/26/2015 06:08 PM, Tony Lindgren wrote:
* Peter Ujfalusi peter.ujfal...@ti.com [150526 06:28]:
Switch to use ma_request_slave_channel_compat_reason() to request the DMA
channels. In case of error, return the error code we received including
-EPROBE_DEFER
Signed-off-by: Peter Ujfalusi
On 05/26/2015 05:44 PM, Greg Kroah-Hartman wrote:
On Tue, May 26, 2015 at 04:25:58PM +0300, Peter Ujfalusi wrote:
Switch to use ma_request_slave_channel_compat_reason() to request the DMA
channels. In case of error, return the error code we received including
-EPROBE_DEFER
I think you typed
Mark,
On 05/26/2015 06:27 PM, Mark Brown wrote:
On Tue, May 26, 2015 at 04:26:06PM +0300, Peter Ujfalusi wrote:
Switch to use ma_request_slave_channel_compat_reason() to request the DMA
channels. Only fall back to pio mode if the error code returned is not
-EPROBE_DEFER, otherwise return
On 05/27/2015 01:41 PM, Peter Ujfalusi wrote:
On 05/26/2015 05:44 PM, Greg Kroah-Hartman wrote:
On Tue, May 26, 2015 at 04:25:58PM +0300, Peter Ujfalusi wrote:
Switch to use ma_request_slave_channel_compat_reason() to request the DMA
channels. In case of error, return the error code we
Switch to use ma_request_slave_channel_compat_reason() to request the DMA
channels. Only fall back to pio mode if the error code returned is not
-EPROBE_DEFER, otherwise return from the probe with the -EPROBE_DEFER.
Signed-off-by: Peter Ujfalusi peter.ujfal...@ti.com
CC: Herbert Xu herb
Switch to use ma_request_slave_channel_compat_reason() to request the DMA
channels. Only fall back to pio mode if the error code returned is not
-EPROBE_DEFER, otherwise return from the probe with the -EPROBE_DEFER.
Signed-off-by: Peter Ujfalusi peter.ujfal...@ti.com
CC: Ulf Hansson ulf.hans
of_dma_request_slave_channel should return either pointer for valid
dma_chan or ERR_PTR() error code, NULL is not expected to be returned.
Signed-off-by: Peter Ujfalusi peter.ujfal...@ti.com
CC: Grant Likely grant.lik...@linaro.org
CC: Rob Herring robh...@kernel.org
---
include/linux/of_dma.h
Switch to use ma_request_slave_channel_compat_reason() to request the DMA
channels. In case of error, return the error code we received including
-EPROBE_DEFER
Signed-off-by: Peter Ujfalusi peter.ujfal...@ti.com
CC: Ulf Hansson ulf.hans...@linaro.org
---
drivers/mmc/host/omap_hsmmc.c | 22
The driver will not probe without valid DMA channels so no need to check
if they are valid when the module is removed.
Signed-off-by: Peter Ujfalusi peter.ujfal...@ti.com
CC: Ulf Hansson ulf.hans...@linaro.org
---
drivers/mmc/host/omap_hsmmc.c | 6 ++
1 file changed, 2 insertions(+), 4
in
case dma_request_slave_channel_reason() returned with it.
Signed-off-by: Peter Ujfalusi peter.ujfal...@ti.com
---
include/linux/dmaengine.h | 22 ++
1 file changed, 22 insertions(+)
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index abf63ceabef9
deferred by missing regulator so
480b4000.mmc got registered first. In case 2 both deferring because of DMA and
at the end 4809c000.mmc get registered first. So far I have not found a way to
bind mmcblk0/1 to a specific node...
Regards,
Peter
---
Peter Ujfalusi (13):
dmaengine: of_dma: Correct
Switch to use ma_request_slave_channel_compat_reason() to request the DMA
channel. Only fall back to polling mode if the error code returned is not
-EPROBE_DEFER, otherwise return from the probe with the -EPROBE_DEFER.
Signed-off-by: Peter Ujfalusi peter.ujfal...@ti.com
CC: Herbert Xu herb
Switch to use ma_request_slave_channel_compat_reason() to request the DMA
channels. Only fall back to pio mode if the error code returned is not
-EPROBE_DEFER, otherwise return from the probe with the -EPROBE_DEFER.
Signed-off-by: Peter Ujfalusi peter.ujfal...@ti.com
CC: Herbert Xu herb
Switch to use ma_request_slave_channel_compat_reason() to request the DMA
channels. Only fall back to pio mode if the error code returned is not
-EPROBE_DEFER, otherwise return from the probe with the -EPROBE_DEFER.
Signed-off-by: Peter Ujfalusi peter.ujfal...@ti.com
CC: Mark Brown broo
Switch to use ma_request_slave_channel_compat_reason() to request the DMA
channel. Only fall back to pio mode if the error code returned is not
-EPROBE_DEFER, otherwise return from the probe with the -EPROBE_DEFER.
Signed-off-by: Peter Ujfalusi peter.ujfal...@ti.com
CC: Laurent Pinchart
Switch to use ma_request_slave_channel_compat_reason() to request the DMA
channels. Only fall back to pio mode if the error code returned is not
-EPROBE_DEFER, otherwise return from the probe with the -EPROBE_DEFER.
Signed-off-by: Peter Ujfalusi peter.ujfal...@ti.com
CC: Ulf Hansson ulf.hans
Switch to use ma_request_slave_channel_compat_reason() to request the DMA
channels. In case of error, return the error code we received including
-EPROBE_DEFER
Signed-off-by: Peter Ujfalusi peter.ujfal...@ti.com
CC: Greg Kroah-Hartman gre...@linuxfoundation.org
---
drivers/tty/serial/8250
dmaengine provides a wrapper function to handle DT and non DT boots when
requesting DMA channel. Use that instead of checking for of_node in the
platform driver.
Signed-off-by: Peter Ujfalusi peter.ujfal...@ti.com
CC: Mark Brown broo...@kernel.org
CC: Jarkko Nikula jarkko.nik...@bitmer.com
CC
On 02/08/11 12:09, ext Bensaid, Selma wrote:
2 Digital interfaces are possible for FM WL1273:
- the external connection: the I2S lines are used for the FM PCM samples
- the internal connection: the BT PCM interface is used for the FM PCM samples
Yes, that is correct, I just did not wanted to
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