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bh=P+6tzaT7b/IzY5FIDervAUrpq4vXFcQCVQttAp0dYkM=; b=sW4zhHdgRVZsuYlI7gTkD8TvFAKCsjoW4QKw0byxL9gqtxlXJepg6zh754Vf0jTAu4b65E81+1HI/DyAyJWai2kDJGyu2c9X2wFsp5/E04gpKq2c0sLv/bfVEnAL03QuL9qoQWwuIKEA94HQSyROOtmu3qkM3L2Wda0GPIDP6u8= Received: from OSZPR01MB7019.jpnprd01.prod.outlook.com (10.242.9.136) by OSAPR01MB1746.jpnprd01.prod.outlook.com (52.134.230.140) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4713.21; Sun, 21 Nov 2021 18:04:29 +0000 Received: from OSZPR01MB7019.jpnprd01.prod.outlook.com ([fe80::1d3d:8c79:ad2c:62ae]) by OSZPR01MB7019.jpnprd01.prod.outlook.com ([fe80::1d3d:8c79:ad2c:62ae%8]) with mapi id 15.20.4713.024; Sun, 21 Nov 2021 18:04:29 +0000 From: Prabhakar Mahadev Lad To: Krzysztof Kozlowski , kernel test robot CC: "llvm@lists.linux.dev" , "kbuild-all@lists.01.org" , "linux-kernel@vger.kernel.org" , Biju Das , Wolfram Sang Subject: RE: [krzk-mem-ctrl:for-v5.17/renesas-rpc 5/5] drivers/memory/renesas-rpc-if.c:253:14: warning: cast to smaller integer type 'enum rpcif_type' from 'const void *' Thread-Topic: [krzk-mem-ctrl:for-v5.17/renesas-rpc 5/5] drivers/memory/renesas-rpc-if.c:253:14: warning: cast to smaller integer type 'enum rpcif_type' from 'const void *' Thread-Index: AQHX22fj2QL8AZFpBki1abEJjB3N+awHYy8AgAaNPQCAAFyb4A== Date: Sun, 21 Nov 2021 18:04:28 +0000 Message-ID: References: <202111171118.XlLOUQ87-lkp@intel.com> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=bp.renesas.com; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: bp.renesas.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: OSZPR01MB7019.jpnprd01.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: c66d1634-7271-437b-0290-08d9ad195cbd X-MS-Exchange-CrossTenant-originalarrivaltime: 21 Nov 2021 18:04:28.7182 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 53d82571-da19-47e4-9cb4-625a166a4a2a X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: SMeUs4e4ZTwCw9v85SOL/5M5T9IRj+xcA4ynz+wUANTGDIUlvS5LvHsbe4rcrF+6uLrLVMDydu1m/gxDbEnhV/vNooRkLYsgis1fCh3C97OgBk7R7/iTMYJNShiHUy2B X-MS-Exchange-Transport-CrossTenantHeadersStamped: OSAPR01MB1746 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Krzysztof, > -----Original Message----- > From: Krzysztof Kozlowski > Sent: 21 November 2021 12:31 > To: kernel test robot ; Prabhakar Mahadev Lad > Cc: llvm@lists.linux.dev; kbuild-all@lists.01.org; linux-kernel@vger.kern= el.org; Biju Das > ; Wolfram Sang > Subject: Re: [krzk-mem-ctrl:for-v5.17/renesas-rpc 5/5] drivers/memory/ren= esas-rpc-if.c:253:14: > warning: cast to smaller integer type 'enum rpcif_type' from 'const void = *' >=20 > On 17/11/2021 09:27, Krzysztof Kozlowski wrote: > > On 17/11/2021 04:56, kernel test robot wrote: > >> tree: > https://jpn01.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fgit.k= ernel.org%2Fpub%2Fscm%2Flinux%2 > Fkernel%2Fgit%2Fkrzk%2Flinux-mem-ctrl.git&data=3D04%7C01%7Cprabhakar.= mahadev- > lad.rj%40bp.renesas.com%7C2dc6e2d7058a4d615cec08d9aceac56f%7C53d82571da19= 47e49cb4625a166a4a2a%7C0%7C0% > 7C637730946616076082%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoi= V2luMzIiLCJBTiI6Ik1haWwiLCJXV > CI6Mn0%3D%7C3000&sdata=3DjDl%2B2uGmMvHbDRBNhRYdHcMs8tVpV2QyHjIEvIjmBo= g%3D&reserved=3D0 for- > v5.17/renesas-rpc > >> head: b04cc0d912eb80d3c438b11d96ca847c3e77e8ab > >> commit: b04cc0d912eb80d3c438b11d96ca847c3e77e8ab [5/5] memory: > >> renesas-rpc-if: Add support for RZ/G2L > >> config: x86_64-buildonly-randconfig-r002-20211116 (attached as > >> .config) > >> compiler: clang version 14.0.0 > >> (https://jpn01.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fg= i > >> thub.com%2Fllvm%2Fllvm-project&data=3D04%7C01%7Cprabhakar.mahadev-= l > >> ad.rj%40bp.renesas.com%7C2dc6e2d7058a4d615cec08d9aceac56f%7C53d82571d > >> a1947e49cb4625a166a4a2a%7C0%7C0%7C637730946616076082%7CUnknown%7CTWFp > >> bGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6M > >> n0%3D%7C3000&sdata=3DGncdHf45Tf5IFjq650tIcWCQHr8b%2FKi%2BW%2F5%2Fr= h > >> WLCZo%3D&reserved=3D0 4c2cf3a314d9131b1b288e7c8ab0c75ac1b2be1d) > >> reproduce (this is a W=3D1 build): > >> wget > https://jpn01.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fraw.g= ithubusercontent.com%2Fintel%2F > lkp-tests%2Fmaster%2Fsbin%2Fmake.cross&data=3D04%7C01%7Cprabhakar.mah= adev- > lad.rj%40bp.renesas.com%7C2dc6e2d7058a4d615cec08d9aceac56f%7C53d82571da19= 47e49cb4625a166a4a2a%7C0%7C0% > 7C637730946616086037%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoi= V2luMzIiLCJBTiI6Ik1haWwiLCJXV > CI6Mn0%3D%7C3000&sdata=3DA2rdd3p77C5yTeebqFwISM8aINdbRAbWrsreBV9%2Bcp= I%3D&reserved=3D0 -O > ~/bin/make.cross > >> chmod +x ~/bin/make.cross > >> # > https://jpn01.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fgit.k= ernel.org%2Fpub%2Fscm%2Flinux%2 > Fkernel%2Fgit%2Fkrzk%2Flinux-mem- > ctrl.git%2Fcommit%2F%3Fid%3Db04cc0d912eb80d3c438b11d96ca847c3e77e8ab&= data=3D04%7C01%7Cprabhakar.maha > dev- > lad.rj%40bp.renesas.com%7C2dc6e2d7058a4d615cec08d9aceac56f%7C53d82571da19= 47e49cb4625a166a4a2a%7C0%7C0% > 7C637730946616086037%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoi= V2luMzIiLCJBTiI6Ik1haWwiLCJXV > CI6Mn0%3D%7C3000&sdata=3DRkD43W82kRZCCNpN%2FqxuQb%2FVNaKkJvgHt8NN8A%2= BgIsw%3D&reserved=3D0 > >> git remote add krzk-mem-ctrl > https://jpn01.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fgit.k= ernel.org%2Fpub%2Fscm%2Flinux%2 > Fkernel%2Fgit%2Fkrzk%2Flinux-mem-ctrl.git&data=3D04%7C01%7Cprabhakar.= mahadev- > lad.rj%40bp.renesas.com%7C2dc6e2d7058a4d615cec08d9aceac56f%7C53d82571da19= 47e49cb4625a166a4a2a%7C0%7C0% > 7C637730946616086037%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoi= V2luMzIiLCJBTiI6Ik1haWwiLCJXV > CI6Mn0%3D%7C3000&sdata=3DunRWu2Zo3KD9lrN8%2BgWHDqvUdcmISul3ynABH8YVj4= 4%3D&reserved=3D0 > >> git fetch --no-tags krzk-mem-ctrl for-v5.17/renesas-rpc > >> git checkout b04cc0d912eb80d3c438b11d96ca847c3e77e8ab > >> # save the attached .config to linux build tree > >> COMPILER_INSTALL_PATH=3D$HOME/0day COMPILER=3Dclang make.cross > >> W=3D1 ARCH=3Dx86_64 > >> > >> If you fix the issue, kindly add following tag as appropriate > >> Reported-by: kernel test robot > >> > >> All warnings (new ones prefixed by >>): > >> > >>>> drivers/memory/renesas-rpc-if.c:253:14: warning: cast to smaller > >>>> integer type 'enum rpcif_type' from 'const void *' > >>>> [-Wvoid-pointer-to-enum-cast] > >> rpc->type =3D (enum rpcif_type)of_device_get_match_data(dev= ); > >> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > >> 1 warning generated. > >> > > > > I am afraid several drivers repeat this pattern and will be affected > > as well on clang. GCC does not complain (apparently cast is enough for > > GCC), but still this has to be fixed. Maybe cast via uintptr_t would > > quite it? > > > > Let me know when I can expect the fix. > > >=20 > Any progress on fixing this one? It blocks entire set (and further Wolfra= m's patches) from being > included in pull-request and might be postponed till next release. >=20 Sorry for the delay I completely missed it, I have now posted a fix [1] to = ML. [1] https://patchwork.kernel.org/project/linux-renesas-soc/patch/2021112118= 0155.9062-1-prabhakar.mahadev-lad.rj@bp.renesas.com/ Cheers, Prabhakar >=20 > Best regards, > Krzysztof