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Date: Fri, 16 Oct 2015 11:14:44 +0000 From: David Laight <David.Laight@...LAB.COM> To: 'Arnd Bergmann' <arnd@...db.de>, huangdaode <huangdaode@...ilicon.com> CC: "davem@...emloft.net" <davem@...emloft.net>, "joe@...ches.com" <joe@...ches.com>, "liguozhu@...ilicon.com" <liguozhu@...ilicon.com>, "Yisen.Zhuang@...wei.com" <Yisen.Zhuang@...wei.com>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "linuxarm@...wei.com" <linuxarm@...wei.com>, "salil.mehta@...wei.com" <salil.mehta@...wei.com>, "kenneth-lee-2012@...mail.com" <kenneth-lee-2012@...mail.com>, "xuwei5@...ilicon.com" <xuwei5@...ilicon.com>, "lisheng011@...wei.com" <lisheng011@...wei.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "lipeng321@...wei.com" <lipeng321@...wei.com> Subject: RE: [PATCH] net: hix5hd2_gmac: avoid integer overload warning 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 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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