linux-kernel - Re: [PATCH 1/2] [v4] net: emac: emac gigabit ethernet controller driver

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Message-ID: <570EA09F.1070000@codeaurora.org>
Date:	Wed, 13 Apr 2016 14:40:15 -0500
From:	Shanker Donthineni <shankerd@...eaurora.org>
To:	Timur Tabi <timur@...eaurora.org>,
	kbuild test robot <lkp@...el.com>
Cc:	kbuild-all@...org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-msm@...r.kernel.org, sdharia@...eaurora.org,
	Greg Kroah-Hartman <greg@...ah.com>, vikrams@...eaurora.org,
	cov@...eaurora.org, gavidov@...eaurora.org,
	Rob Herring <robh+dt@...nel.org>, andrew@...n.ch,
	bjorn.andersson@...aro.org, Mark Langsdorf <mlangsdo@...hat.com>,
	Jon Masters <jcm@...hat.com>,
	Andy Gross <agross@...eaurora.org>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH 1/2] [v4] net: emac: emac gigabit ethernet controller
 driver



On 04/13/2016 02:31 PM, Timur Tabi wrote:
> kbuild test robot wrote:
>>
>>     drivers/net/ethernet/qualcomm/emac/emac-mac.c: In function 'emac_mac_up':
>>>> >>drivers/net/ethernet/qualcomm/emac/emac-mac.c:1076:9: warning: large integer implicitly truncated to unsigned type [-Woverflow]
>>       writel(~DIS_INT, adpt->base + EMAC_INT_STATUS);
>
> This doesn't happen on arm64, and I don't know how to fix it.  DIS_INT is defined as:
>
>     #define DIS_INT          BIT(31)
>
Try with (1U<<31).

> It seems silly to add a typecast to DIS_INT.
>

-- 
Shanker Donthineni
Qualcomm Technologies, Inc. on behalf of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project