Hi Stephen,
On 11 November 2011 06:30, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> Hi Vinod,
>
> Today's linux-next merge of the slave-dma tree got a conflict in
> drivers/dma/pl330.c between commit c6e00b47067b ("DMA: PL330: Add device
> tree support") from the s5p tree and commit dab6538e29e6 ("DMA: PL330:
> Fix build warning") from the slave-dma tree.
>
> I fixed it up (see below) and can carry the fix as necessary.
> --
> Cheers,
> Stephen Rothwell sfr@xxxxxxxxxxxxxxxx
>
> diff --cc drivers/dma/pl330.c
> index a626e15,186b822..0000000
> --- a/drivers/dma/pl330.c
> +++ b/drivers/dma/pl330.c
> @@@ -870,8 -856,8 +870,8 @@@ pl330_probe(struct amba_device *adev, c
> INIT_LIST_HEAD(&pd->channels);
>
> /* Initialize channel parameters */
> - num_chan = max(pdat ? pdat->nr_valid_peri : (u8)pi->pcfg.num_peri,
> - (u8)pi->pcfg.num_chan);
> - num_chan = max(pdat ? (int)pdat->nr_valid_peri : 0,
> - (int)pi->pcfg.num_chan);
> ++ num_chan = max(pdat ? (int)pdat->nr_valid_peri : (int)pi->pcfg.num_peri,
> ++ (int)pi->pcfg.num_chan);
> pdmac->peripherals = kzalloc(num_chan * sizeof(*pch), GFP_KERNEL);
>
> for (i = 0; i < num_chan; i++) {
>
Thanks for the fix.
Also taking into account the suggestion from Joe Perches, this change could be
> - num_chan = max(pdat ? pdat->nr_valid_peri : (u8)pi->pcfg.num_peri,
> - (u8)pi->pcfg.num_chan);
> - num_chan = max(pdat ? (int)pdat->nr_valid_peri : 0,
> - (int)pi->pcfg.num_chan);
> ++ num_chan = max_t(int, pdat ? pdat->nr_valid_peri : pi->pcfg.num_peri,
> ++ pi->pcfg.num_chan);
> pdmac->peripherals = kzalloc(num_chan * sizeof(*pch), GFP_KERNEL);
>
Regards,
Thomas.
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