From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oi0-x244.google.com (mail-oi0-x244.google.com [IPv6:2607:f8b0:4003:c06::244]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3t6Wrj27GxzDvNy for ; Mon, 31 Oct 2016 09:10:13 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b=W7f8VoVX; dkim-atps=neutral Received: by mail-oi0-x244.google.com with SMTP id v84so2661795oie.2 for ; Sun, 30 Oct 2016 15:10:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=V97o/W9Bq8RC2bxTUubm8h9U8GhLI6Gi+nED7Qff9Ys=; b=W7f8VoVXCny2fkPO0HGOO8tUDltm1bsET+a3f50xYX5OuArA8QHoubiRXsthHfs0M+ TRySaN7P+yVMUn/DbDdiSXRuq69YOIXARN0S7LCMHskOAs32ifnHS5w0ls5WTKQT2Akl bje+NiZWGXvcNNNFf994QIwhAncc7Dg9ulKw2Ot/PAk8h+I6m97Ij/JipfbGFUCEjn14 ODxgjr0EbwDeO8c8ZSWDs5X+P55S/X4YtUGA58hJnK1pDTdyK7bXN7bIvZ+WnUqaYXkU 6E33JWwC3IQRZ+FD2mEGyRY4Z4ExfGerCWrFeGoS6woec+hQTf0cbX7V1VUbySqlnnd0 8+Sg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=V97o/W9Bq8RC2bxTUubm8h9U8GhLI6Gi+nED7Qff9Ys=; b=TsLW87wygcY0e+LXzRYCkaZzQe3oI5b66GIGpuah/tYXbTS6uxTgkcUYiIy0DjIR2r IhYSZzTC++uUbVgvzHeyxWcPB5gz7Ql+dlmzNWkxd/xrYAZYZcJFeuFwfweLLNr7OqNz ccqyBGVkdi8v8vfz+QYKdXtMLuNFufVc4K6rVWrAMgjZU3I+GDyT25vUFyJfnG9pwtQ+ MoPI1xvq7tC4fteM3PBdSF0Zw+IjH13CUwdEVEFgbxdHVHYiyOGH52Xbt1rrzhXbC4mB 4q/HWEuMFlduS0UIJlEWOJDzqkTcIGAEyogBabSkQ+Wywp+Yi6s4PK1lS+lEKmylHaQ+ AA2Q== X-Gm-Message-State: ABUngve3CTCY5Y4oHu4tltMNC9ECXzB41BsLt8MKQ7vnLdMOT6HHmZLtncy8xzukKo+qaw== X-Received: by 10.202.224.87 with SMTP id x84mr24208492oig.21.1477865411580; Sun, 30 Oct 2016 15:10:11 -0700 (PDT) Received: from Christophers-MacBook-Pro.local.com (45-20-192-79.lightspeed.austtx.sbcglobal.net. [45.20.192.79]) by smtp.gmail.com with ESMTPSA id q59sm7585484ota.20.2016.10.30.15.10.10 (version=TLS1 cipher=AES128-SHA bits=128/128); Sun, 30 Oct 2016 15:10:10 -0700 (PDT) From: christopher.lee.bostic@gmail.com To: openbmc@lists.ozlabs.org Cc: joel@jms.id.au, zahrens@us.ibm.com, xxpetri@de.ibm.com, Jeremy Kerr Subject: [PATCH linux v6 03/18] fsi: add driver to device matches Date: Sun, 30 Oct 2016 17:09:24 -0500 Message-Id: <1477865379-11566-23-git-send-email-christopher.lee.bostic@gmail.com> X-Mailer: git-send-email 2.7.4 (Apple Git-66) In-Reply-To: <1477865379-11566-1-git-send-email-christopher.lee.bostic@gmail.com> References: <1477865379-11566-1-git-send-email-christopher.lee.bostic@gmail.com> X-BeenThere: openbmc@lists.ozlabs.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Development list for OpenBMC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 30 Oct 2016 22:10:13 -0000 From: Jeremy Kerr Driver bind to devices based on the engine types & (optional) versions. Signed-off-by: Jeremy Kerr --- drivers/fsi/fsi-core.c | 21 +++++++++++++++++++++ include/linux/fsi.h | 21 +++++++++++++++++++-- 2 files changed, 40 insertions(+), 2 deletions(-) diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c index 3e45306..3d55bd5 100644 --- a/drivers/fsi/fsi-core.c +++ b/drivers/fsi/fsi-core.c @@ -19,8 +19,29 @@ /* FSI core & Linux bus type definitions */ +static int fsi_bus_match(struct device *dev, struct device_driver *drv) +{ + struct fsi_device *fsi_dev = to_fsi_dev(dev); + struct fsi_driver *fsi_drv = to_fsi_drv(drv); + const struct fsi_device_id *id; + + if (!fsi_drv->id_table) + return 0; + + for (id = fsi_drv->id_table; id->engine_type; id++) { + if (id->engine_type != fsi_dev->engine_type) + continue; + if (id->version == FSI_VERSION_ANY || + id->version == fsi_dev->version) + return 1; + } + + return 0; +} + struct bus_type fsi_bus_type = { .name = "fsi", + .match = fsi_bus_match, }; EXPORT_SYMBOL_GPL(fsi_bus_type); diff --git a/include/linux/fsi.h b/include/linux/fsi.h index 66dcf25..6d843d4 100644 --- a/include/linux/fsi.h +++ b/include/linux/fsi.h @@ -19,11 +19,28 @@ #include struct fsi_device { - struct device dev; + struct device dev; + u8 engine_type; + u8 version; }; +struct fsi_device_id { + u8 engine_type; + u8 version; +}; + +#define FSI_VERSION_ANY 0 + +#define FSI_DEVICE(t) \ + .engine_type = (t), .version = FSI_VERSION_ANY, + +#define FSI_DEVICE_VERSIONED(t, v) \ + .engine_type = (t), .version = (v), + + struct fsi_driver { - struct device_driver drv; + struct device_driver drv; + const struct fsi_device_id *id_table; }; #define to_fsi_dev(devp) container_of(devp, struct fsi_device, dev) -- 1.8.2.2