Re: linux-next: manual merge of the slave-dma tree with Linus' tree

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Hi Stephen, Vinod,

On 12/03/2020 7.26, Stephen Rothwell wrote:
> Hi all,
> 
> Today's linux-next merge of the slave-dma tree got a conflict in:
> 
>   drivers/dma/ti/k3-udma.c
> 
> between commit:
> 
>   16cd3c670183 ("dmaengine: ti: k3-udma: Workaround for RX teardown with stale data in peer")
> 
> from Linus' tree

In Linus' tree the drivers/dma/ti/k3-udma.c latest commit is:
8390318c04bb ("dmaengine: ti: k3-udma: Fix terminated transfer handling")

git log --oneline drivers/dma/ti/k3-udma.c shows:
8390318c04bb dmaengine: ti: k3-udma: Fix terminated transfer handling
c7450bb211f3 dmaengine: ti: k3-udma: Use the channel direction in pause/resume functions
6cf668a4ef82 dmaengine: ti: k3-udma: Use the TR counter helper for slave_sg and cyclic
a97934071fc3 dmaengine: ti: k3-udma: Move the TR counter calculation to helper function
16cd3c670183 dmaengine: ti: k3-udma: Workaround for RX teardown with stale data in peer
1c83767c9d41 dmaengine: ti: k3-udma: Use ktime/usleep_range based TX completion check
6c0157be02f0 dmaengine: ti: k3-udma: fix spelling mistake "limted" -> "limited"
d70241913413 dmaengine: ti: k3-udma: Add glue layer for non DMAengine users
25dcb5dd7b7c dmaengine: ti: New driver for K3 UDMA

> and commit:
> 
>   db8d9b4c9b30 ("dmaengine: ti: k3-udma: Implement custom dbg_summary_show for debugfs")

However slave-dma's next branch shows the following log for k3-udma.c:
db8d9b4c9b30 dmaengine: ti: k3-udma: Implement custom dbg_summary_show for debugfs
0ebcf1a274c5 dmaengine: ti: k3-udma: Implement support for atype (for virtualization)
6c0157be02f0 dmaengine: ti: k3-udma: fix spelling mistake "limted" -> "limited"
d70241913413 dmaengine: ti: k3-udma: Add glue layer for non DMAengine users
25dcb5dd7b7c dmaengine: ti: New driver for K3 UDMA

The 5.6-rc5 patches (1c83767c9d41...8390318c04bb) is not present in slave-dma/next which
causes the conflict.
 
> from the slave-dma tree.
> 
> I fixed it up (see below) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging.  You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.

I ended up with the exactly same resolution patch when merging dlave-dma/next
to Linus' tree.

Stephen, thank you!

Vinod, is there anything I can do?

- Péter

Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki



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