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Thu, 23 Sep 2021 16:29:44 +0000 From: Min Li To: Jakub Kicinski CC: "richardcochran@gmail.com" , "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "lee.jones@linaro.org" Subject: RE: [PATCH net-next] ptp: clockmatrix: use rsmu driver to access i2c/spi bus Thread-Topic: [PATCH net-next] ptp: clockmatrix: use rsmu driver to access i2c/spi bus Thread-Index: AQHXr7nQycIf/kQI20iun4+FyujEaquxwHAAgAAQGjA= Date: Thu, 23 Sep 2021 16:29:44 +0000 Message-ID: References: <1632319034-3515-1-git-send-email-min.li.xe@renesas.com> <20210923083032.093c3859@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> In-Reply-To: <20210923083032.093c3859@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> Accept-Language: en-CA, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=renesas.com; x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 8423c096-539b-49f6-4637-08d97eaf59ee x-ms-traffictypediagnostic: TYAPR01MB2589: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:4502; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: renesas.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: TYCPR01MB6608.jpnprd01.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 8423c096-539b-49f6-4637-08d97eaf59ee X-MS-Exchange-CrossTenant-originalarrivaltime: 23 Sep 2021 16:29:44.1505 (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: uxiOp040DqMcTBQxCJVNUNRPUtG5MLvvF6ofzjzSocwCDSGP8qWS7IqyiRFmObB/taqf+7g263IuZWbkkKKIcA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: TYAPR01MB2589 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > -----Original Message----- > From: Jakub Kicinski > Sent: September 23, 2021 11:31 AM > To: Min Li > Cc: richardcochran@gmail.com; netdev@vger.kernel.org; linux- > kernel@vger.kernel.org; lee.jones@linaro.org > Subject: Re: [PATCH net-next] ptp: clockmatrix: use rsmu driver to access > i2c/spi bus >=20 > On Wed, 22 Sep 2021 09:57:14 -0400 min.li.xe@renesas.com wrote: > > From: Min Li > > > > rsmu (Renesas Synchronization Management Unit ) driver is located in > > drivers/mfd and responsible for creating multiple devices including > > clockmatrix phc, which will then use the exposed regmap and mutex > > handle to access i2c/spi bus. >=20 > Does not build on 32 bit. You need to use division helpers. Hi Jakub I did build it through 32 bit arm and didn't get the problem. make ARCH=3Darm CROSS_COMPILE=3Darm-linux-gnueabi- Thanks Min