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Tue, 30 Apr 2019 10:17:40 +0000 Received: from AM0PR04MB4481.eurprd04.prod.outlook.com ([fe80::3173:24:d401:2378]) by AM0PR04MB4481.eurprd04.prod.outlook.com ([fe80::3173:24:d401:2378%6]) with mapi id 15.20.1835.018; Tue, 30 Apr 2019 10:17:40 +0000 From: Peng Fan To: "sbabic@denx.de" , "festevam@gmail.com" , "lukma@denx.de" Thread-Topic: [i.MX8MM+CCF 03/41] clk: introduce clk_dev_binded Thread-Index: AQHU/z3x4S6mt+GFpUK9bA/f4zaNug== Date: Tue, 30 Apr 2019 10:17:40 +0000 Message-ID: <20190430103056.32537-4-peng.fan@nxp.com> References: <20190430103056.32537-1-peng.fan@nxp.com> In-Reply-To: <20190430103056.32537-1-peng.fan@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.16.4 x-clientproxiedby: HK0PR03CA0057.apcprd03.prod.outlook.com (2603:1096:203:52::21) To AM0PR04MB4481.eurprd04.prod.outlook.com (2603:10a6:208:70::15) authentication-results: spf=none (sender IP is ) smtp.mailfrom=peng.fan@nxp.com; x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [119.31.174.71] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: e70ce29d-9b58-489b-cb52-08d6cd551376 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0; 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H:AM0PR04MB4481.eurprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: 2yDbTTlYk7vujSUuKjxh30X4LeQUSeNafDVMbpoWrUHWEjBtuQ/iz7rTqxK4dDtfmoqTJ9EgKfD427Nq2njZ66AS3o189x1oT7HH4ZsHBiXVHWM7KCJqiaYOvmydPrYl+HRVq6Il9wSJL5yKtRrxAaaKy3RJDCEYe6DiXHQMGfaY8/nEPSqcMweUo/YJNiIDIFahcy/RXYAzm61hzPECo9fdpwY85HqoSVbvRti4hnaHHGbkVcFo8FsfEPSIw+Hc9ddrzNQ1H+PQRiB+54Uu697xug+Kv6HPVx5S+srkrSXsx7Gq8RoozqPRzWs9xJJXIigfUEuoJE21kEPysJauYWLBTvOVfERPe4JPbFd4x8fwnrzb8arBzHKCnpQsJtu3LuH5Bo8gvkWECAHiF+i0530zPZ3BN//OpxGpfQR3iko= MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: e70ce29d-9b58-489b-cb52-08d6cd551376 X-MS-Exchange-CrossTenant-originalarrivaltime: 30 Apr 2019 10:17:40.4529 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB4593 Cc: "trini@konsulko.com" , "u-boot@lists.denx.de" , dl-uboot-imx , "sr@denx.de" Subject: [U-Boot] [i.MX8MM+CCF 03/41] clk: introduce clk_dev_binded X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" When support Clock Common Framework, U-Boot use dev for clk tree information, there is no clk->parent. When support composite clk, it contains mux/gate/divider, but the mux/gate/divider is not binded with device. So we could not use dev_get_driver_data to get the correct clk_mux/gate/divider. So add clk_dev_binded to let choose the correct method. Signed-off-by: Peng Fan --- drivers/clk/clk.c | 8 ++++++++ include/clk.h | 9 +++++++++ 2 files changed, 17 insertions(+) diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 0a0fffb50b..025bb99ecc 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -54,3 +54,11 @@ const char *clk_hw_get_name(const struct clk *hw) { return hw->dev->name; } + +bool clk_dev_binded(struct clk *clk) +{ + if (clk->dev && (clk->dev->flags & DM_FLAG_BOUND)) + return true; + + return false; +} diff --git a/include/clk.h b/include/clk.h index a4ecca9fbc..8199119d01 100644 --- a/include/clk.h +++ b/include/clk.h @@ -337,4 +337,13 @@ static inline bool clk_valid(struct clk *clk) * @return zero on success, or -ENOENT on error */ int clk_get_by_id(ulong id, struct clk **clkp); + +/** + * clk_dev_binded() - Check whether the clk has a device binded + * + * @clk A pointer to the clk + * + * @return true on binded, or false on no + */ +bool clk_dev_binded(struct clk *clk); #endif