Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754091AbdHWNuA (ORCPT ); Wed, 23 Aug 2017 09:50:00 -0400 Received: from nbd.name ([46.4.11.11]:55588 "EHLO nbd.name" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754007AbdHWNt7 (ORCPT ); Wed, 23 Aug 2017 09:49:59 -0400 Subject: Re: [PATCH] phy: ralink: fix 64-bit build warning To: Arnd Bergmann , Kishon Vijay Abraham I Cc: Harvey Hunt , linux-kernel@vger.kernel.org, gregkh@linuxfoundation.org References: <20170823134019.927267-1-arnd@arndb.de> From: John Crispin Message-ID: <2ee9afe2-b4ff-4d5a-8afb-92b4e76abeeb@phrozen.org> Date: Wed, 23 Aug 2017 15:49:57 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: <20170823134019.927267-1-arnd@arndb.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2349 Lines: 63 On 23/08/17 15:39, Arnd Bergmann wrote: > Casting between an 'int' and a pointer causes a warning on > 64-bit architectures in compile-testing this driver: > > drivers/phy/ralink/phy-ralink-usb.c: In function 'ralink_usb_phy_probe': > drivers/phy/ralink/phy-ralink-usb.c:195:13: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast] > > This changes the code to cast to uintptr_t instead. This is > guaranteed to do what we want on all architectures and avoids > the warning. > > Fixes: 2411a736ff09 ("phy: ralink-usb: add driver for Mediatek/Ralink") > Signed-off-by: Arnd Bergmann Acked-by: John Crispin gregkh: can you fold this into the commit sitting inside usb-next ? > --- > drivers/phy/ralink/phy-ralink-usb.c | 14 +++++++------- > 1 file changed, 7 insertions(+), 7 deletions(-) > > diff --git a/drivers/phy/ralink/phy-ralink-usb.c b/drivers/phy/ralink/phy-ralink-usb.c > index d19088c0ce5c..4fea31f8ac1c 100644 > --- a/drivers/phy/ralink/phy-ralink-usb.c > +++ b/drivers/phy/ralink/phy-ralink-usb.c > @@ -160,18 +160,18 @@ static struct phy_ops ralink_usb_phy_ops = { > static const struct of_device_id ralink_usb_phy_of_match[] = { > { > .compatible = "ralink,rt3352-usbphy", > - .data = (void *) (RT_CLKCFG1_UPHY1_CLK_EN | > - RT_CLKCFG1_UPHY0_CLK_EN) > + .data = (void *)(uintptr_t)(RT_CLKCFG1_UPHY1_CLK_EN | > + RT_CLKCFG1_UPHY0_CLK_EN) > }, > { > .compatible = "mediatek,mt7620-usbphy", > - .data = (void *) (MT7620_CLKCFG1_UPHY1_CLK_EN | > - MT7620_CLKCFG1_UPHY0_CLK_EN) > + .data = (void *)(uintptr_t)(MT7620_CLKCFG1_UPHY1_CLK_EN | > + MT7620_CLKCFG1_UPHY0_CLK_EN) > }, > { > .compatible = "mediatek,mt7628-usbphy", > - .data = (void *) (MT7620_CLKCFG1_UPHY1_CLK_EN | > - MT7620_CLKCFG1_UPHY0_CLK_EN) }, > + .data = (void *)(uintptr_t)(MT7620_CLKCFG1_UPHY1_CLK_EN | > + MT7620_CLKCFG1_UPHY0_CLK_EN) }, > { }, > }; > MODULE_DEVICE_TABLE(of, ralink_usb_phy_of_match); > @@ -192,7 +192,7 @@ static int ralink_usb_phy_probe(struct platform_device *pdev) > if (!phy) > return -ENOMEM; > > - phy->clk = (u32) match->data; > + phy->clk = (uintptr_t)match->data; > phy->base = NULL; > > phy->sysctl = syscon_regmap_lookup_by_phandle(dev->of_node, "ralink,sysctl");