Re: [PATCH net-next] net: mvneta: Only disable mvneta_bm for 64-bits

[Gregory CLEMENT]

Hi David,
 
 On mar., nov. 22 2016, David Miller <davem@xxxxxxxxxxxxx> wrote:

> From: Gregory CLEMENT <gregory.clement@xxxxxxxxxxxxxxxxxx>
> Date: Tue, 22 Nov 2016 17:00:37 +0100
>
>> Actually only the mvneta_bm support is not 64-bits compatible.
>> The mvneta code itself can run on 64-bits architecture.
>> 
>> Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxxxxxxxxx>
>
> No it cannot, it emits warnings because it casts pointers to and
> from 32-bit integers.
>
> I'm not applying this.
>
> drivers/net/ethernet/marvell/mvneta.c: In function âmvneta_rx_refillâ:
> drivers/net/ethernet/marvell/mvneta.c:1802:42: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
>   mvneta_rx_desc_fill(rx_desc, phys_addr, (u32)data);
>                                           ^
> drivers/net/ethernet/marvell/mvneta.c: In function âmvneta_rxq_drop_pktsâ:
> drivers/net/ethernet/marvell/mvneta.c:1864:16: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
>    void *data = (void *)rx_desc->buf_cookie;
>                 ^
> drivers/net/ethernet/marvell/mvneta.c: In function âmvneta_rx_swbmâ:
> drivers/net/ethernet/marvell/mvneta.c:1902:10: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
>    data = (unsigned char *)rx_desc->buf_cookie;
>           ^
> drivers/net/ethernet/marvell/mvneta.c: In function âmvneta_rx_hwbmâ:
> drivers/net/ethernet/marvell/mvneta.c:2023:10: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
>    data = (unsigned char *)rx_desc->buf_cookie;
>           ^

Indeed!

There was a missing patch for it that I had in my tree and I didn't
submit yet. I am bout to doing it now.

Thanks,

Gregory


-- 
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com