Re: [PATCH] net: hix5hd2_gmac: avoid integer overload warning

David Miller
2015-10-19T02:45:31Z

From: Arnd Bergmann <arnd@arndb.de>
Date: Fri, 16 Oct 2015 12:00:51 +0200

> BITS_RX_EN is an 'unsigned long' constant, so the ones complement of that
> has bits set that do not fit into a 32-bit variable on 64-bit architectures,
> which causes a harmless gcc warning:
>
> drivers/net/ethernet/hisilicon/hix5hd2_gmac.c: In function 'hix5hd2_port_disable':
> drivers/net/ethernet/hisilicon/hix5hd2_gmac.c:374:2: warning: large integer implicitly truncated to unsigned type [-Woverflow]
> writel_relaxed(~(BITS_RX_EN | BITS_TX_EN), priv->base + PORT_EN);
>
> This adds a cast to (u32) to tell gcc that the code is indeed fine.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Applied.