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Thu, 07 Nov 2019 21:20:04 -0800 (PST) From: Joel Stanley To: Rob Herring , Greg KH , Jeremy Kerr Subject: [PATCH v2 01/11] fsi: Add fsi-master class Date: Fri, 8 Nov 2019 15:49:35 +1030 Message-Id: <20191108051945.7109-2-joel@jms.id.au> X-Mailer: git-send-email 2.24.0.rc1 In-Reply-To: <20191108051945.7109-1-joel@jms.id.au> References: <20191108051945.7109-1-joel@jms.id.au> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191107_212005_624033_2EBCF7D3 X-CRM114-Status: GOOD ( 11.19 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Alistar Popple , Eddie James , linux-kernel@vger.kernel.org, Steven Rostedt , Ingo Molnar , linux-arm-kernel@lists.infradead.org, linux-fsi@lists.ozlabs.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Jeremy Kerr This change adds a device class for FSI masters, allowing access under /sys/class/fsi-master/, and easier udev rules. Signed-off-by: Jeremy Kerr Signed-off-by: Joel Stanley --- drivers/fsi/fsi-core.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c index 1f76740f33b6..0861f6097b33 100644 --- a/drivers/fsi/fsi-core.c +++ b/drivers/fsi/fsi-core.c @@ -1241,6 +1241,10 @@ static ssize_t master_break_store(struct device *dev, static DEVICE_ATTR(break, 0200, NULL, master_break_store); +struct class fsi_master_class = { + .name = "fsi-master", +}; + int fsi_master_register(struct fsi_master *master) { int rc; @@ -1249,6 +1253,7 @@ int fsi_master_register(struct fsi_master *master) mutex_init(&master->scan_lock); master->idx = ida_simple_get(&master_ida, 0, INT_MAX, GFP_KERNEL); dev_set_name(&master->dev, "fsi%d", master->idx); + master->dev.class = &fsi_master_class; rc = device_register(&master->dev); if (rc) { @@ -1350,8 +1355,15 @@ static int __init fsi_init(void) rc = bus_register(&fsi_bus_type); if (rc) goto fail_bus; + + rc = class_register(&fsi_master_class); + if (rc) + goto fail_class; + return 0; + fail_class: + bus_unregister(&fsi_bus_type); fail_bus: unregister_chrdev_region(fsi_base_dev, FSI_CHAR_MAX_DEVICES); return rc; @@ -1360,6 +1372,7 @@ postcore_initcall(fsi_init); static void fsi_exit(void) { + class_unregister(&fsi_master_class); bus_unregister(&fsi_bus_type); unregister_chrdev_region(fsi_base_dev, FSI_CHAR_MAX_DEVICES); ida_destroy(&fsi_minor_ida); -- 2.24.0.rc1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel