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Miller" , =?utf-8?b?SsOpcsO0bWUgUG91?= =?utf-8?q?iller?= Subject: [PATCH v2 11/55] staging: wfx: increase SPI bus frequency limit Thread-Topic: [PATCH v2 11/55] staging: wfx: increase SPI bus frequency limit Thread-Index: AQHVtPUWDHamnJNHP0yOm8KShv5Mvg== Date: Tue, 17 Dec 2019 16:14:41 +0000 Message-ID: <20191217161318.31402-12-Jerome.Pouiller@silabs.com> References: <20191217161318.31402-1-Jerome.Pouiller@silabs.com> In-Reply-To: <20191217161318.31402-1-Jerome.Pouiller@silabs.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: PR0P264CA0174.FRAP264.PROD.OUTLOOK.COM (2603:10a6:100:1c::18) To MN2PR11MB4063.namprd11.prod.outlook.com (2603:10b6:208:13f::22) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Jerome.Pouiller@silabs.com; x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.24.0 x-originating-ip: [37.71.187.125] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: fed71f0c-1140-44e8-ed37-08d7830c38c2 x-ms-traffictypediagnostic: MN2PR11MB3791: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:1227; x-forefront-prvs: 02543CD7CD x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(396003)(376002)(366004)(346002)(136003)(39860400002)(189003)(199004)(2906002)(52116002)(107886003)(2616005)(86362001)(478600001)(6486002)(4326008)(64756008)(66556008)(66476007)(81156014)(66946007)(6506007)(1076003)(316002)(66446008)(8936002)(71200400001)(81166006)(5660300002)(36756003)(26005)(186003)(8676002)(85202003)(4744005)(66574012)(85182001)(110136005)(54906003)(6512007); DIR:OUT; SFP:1101; SCL:1; SRVR:MN2PR11MB3791; H:MN2PR11MB4063.namprd11.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: silabs.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: beCKLkzOFcHlbTOI3IzFKRYqceginWwUu7GYysEhcHyfoXfKYUwbLRjTTLWSqpFV+CzNUEVVRZPQFalIhbSGn8lSNVbxmGqXoZZTF+IlmUjIckq7GdP3jzfy/bYLE5DFRsvE/yxuNCuOX30QzPZWtHIQ/gV0nucC2MnTn9jnlZxY61EbdNtyDA7lFEexV2tGcV57sP94QgCqeauScl2ipK5rB7onfiXnoOLjXdw66jLVtfU1hvXVtMQ0SVkF70PcwmdB+j3jsRyeqyyv323voWUoRsyIOnATsfs5jk7mk9ZAA29+LNySeXLt6ZDep118T4xs71YUncOQkF4NeonBnKbiR+0XQUuCJiHTjMOUmlgYCD7DdPz81kwG1Gam0RfBsTnCjHOuCFXY6LOxXsrA+TwIhXOBIBLjaRWup6LKEQBIFGjoM9h/srvC3Qx0mxlr Content-ID: <78E09B3BB21AF541BF46B514C85B1F6F@namprd11.prod.outlook.com> MIME-Version: 1.0 X-OriginatorOrg: silabs.com X-MS-Exchange-CrossTenant-Network-Message-Id: fed71f0c-1140-44e8-ed37-08d7830c38c2 X-MS-Exchange-CrossTenant-originalarrivaltime: 17 Dec 2019 16:14:41.3948 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 54dbd822-5231-4b20-944d-6f4abcd541fb X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: HaEtZTObbRx9XqrYdtWEV9U1SccLRTm5Ue67jani0YSw3OXBUyO3IBR0HaY9G/BVb+6r/dVeKeIF4pPyUW3bKQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR11MB3791 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Jérôme Pouiller The chip has now proven that it can run at 50MHz on any boards without any problem. Signed-off-by: Jérôme Pouiller --- drivers/staging/wfx/bus_spi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/wfx/bus_spi.c b/drivers/staging/wfx/bus_spi.c index ab0cda1e124f..44fc42bb43a0 100644 --- a/drivers/staging/wfx/bus_spi.c +++ b/drivers/staging/wfx/bus_spi.c @@ -183,7 +183,7 @@ static int wfx_spi_probe(struct spi_device *func) if (func->bits_per_word != 16 && func->bits_per_word != 8) dev_warn(&func->dev, "unusual bits/word value: %d\n", func->bits_per_word); - if (func->max_speed_hz > 49000000) + if (func->max_speed_hz > 50000000) dev_warn(&func->dev, "%dHz is a very high speed\n", func->max_speed_hz);