From: Arnd Bergmann
> Sent: 16 October 2015 11:01
> 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:
...
> static void hix5hd2_port_disable(struct hix5hd2_priv *priv)
> {
> - writel_relaxed(~(BITS_RX_EN | BITS_TX_EN), priv->base + PORT_EN);
> + writel_relaxed(~(u32)(BITS_RX_EN | BITS_TX_EN), priv->base + PORT_EN);
> writel_relaxed(0, priv->base + DESC_WR_RD_ENA);
ISTM that just means that the constants shouldn't be 'long'.
David
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