netdev - Re: [PATCH net-next] net: mvneta: Only disable mvneta

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Date:   Tue, 22 Nov 2016 11:12:23 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     gregory.clement@...e-electrons.com
Cc:     linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        jason@...edaemon.net, andrew@...n.ch,
        sebastian.hesselbarth@...il.com,
        thomas.petazzoni@...e-electrons.com,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH net-next] net: mvneta: Only disable mvneta_bm for
 64-bits

From: Gregory CLEMENT <gregory.clement@...e-electrons.com>
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@...e-electrons.com>

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 ‘mvneta_rx_refill’:
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 ‘mvneta_rxq_drop_pkts’:
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 ‘mvneta_rx_swbm’:
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 ‘mvneta_rx_hwbm’:
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;
          ^