On Fri, Jun 03, 2016 at 07:23:33PM -0700, Eric Anholt wrote:
> The min() macro was complaining about mismatched types. The max len
> is at most SZ_1G, so we can just put it in an unsigned int.
>
> Signed-off-by: Eric Anholt <eric@xxxxxxxxxx>
> ---
>
> Vinod, if you ack it, this one would be nice to be able to merge
> through the -soc tree, so that when we enable of arm64 builds of this
> driver we don't introduce a new compiler warning.
>
> drivers/dma/bcm2835-dma.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c
> index 6149b27c33ad..1fa11fc067c6 100644
> --- a/drivers/dma/bcm2835-dma.c
> +++ b/drivers/dma/bcm2835-dma.c
> @@ -393,7 +393,7 @@ static void bcm2835_dma_fill_cb_chain_with_sg(
> unsigned int sg_len)
> {
> struct bcm2835_chan *c = to_bcm2835_dma_chan(chan);
> - size_t max_len = bcm2835_dma_max_frame_length(c);
> + unsigned int max_len = bcm2835_dma_max_frame_length(c);
bcm2835_dma_max_frame_length() returns size_t. so this should also add a
complain about type mismatch as well!
Also, wouldn't it be better to make both args of min() as size_t then?
> unsigned int i, len;
> dma_addr_t addr;
> struct scatterlist *sgent;
> --
> 2.8.0.rc3
>
Thanks
--
~Vinod
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