From patchwork Wed Aug 8 10:47:51 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konstantin Khlebnikov X-Patchwork-Id: 175891 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 2D25D2C0096 for ; Wed, 8 Aug 2012 20:47:59 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754595Ab2HHKr5 (ORCPT ); Wed, 8 Aug 2012 06:47:57 -0400 Received: from mail-lpp01m010-f46.google.com ([209.85.215.46]:46512 "EHLO mail-lpp01m010-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751409Ab2HHKr4 (ORCPT ); Wed, 8 Aug 2012 06:47:56 -0400 Received: by lagy9 with SMTP id y9so313458lag.19 for ; Wed, 08 Aug 2012 03:47:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:subject:to:from:date:message-id:user-agent:mime-version :content-type:content-transfer-encoding; bh=lidPUBdYcmY4zNxH6tFwuxiwHcs0qcjO9xyny8a3jZE=; b=LoHZP59GwiKYo0Th8uZ+TdmYrepCHyiYTdJoi4OVESCdNMB6gvwdLPWvSTP0U4uJJq 2dcDoIb5qd8pNLXSK22doopcS8UOeNN8zjNHC8H2at42LuNLYufzIzVdRY0RyRE/w4Gk wHsmLCvOFD6Yk4o9QcNBrpm+tRJDPP/XImMG6yZC71nmFfTKhd94D8Me/tAxptv1VyBB JaO4r/D/cBOjRlIOkSJPK5PEDL+SYJEwSYrlgoX2mJyHACfw/SsvckeDbL3ehPwBSm8M 6RzLKmNVccjyl6wnqtXIVsqFDwJc98BxlUvkA32Mf4TxEzWB74WCQTy45MXk8oY6f2xD asJw== Received: by 10.152.131.9 with SMTP id oi9mr17469081lab.39.1344422874767; Wed, 08 Aug 2012 03:47:54 -0700 (PDT) Received: from localhost (swsoft-msk-nat.sw.ru. [195.214.232.10]) by mx.google.com with ESMTPS id lv13sm22603350lab.8.2012.08.08.03.47.53 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 08 Aug 2012 03:47:53 -0700 (PDT) Subject: [PATCH] pci: convert "new_id"/"remove_id" into generic pci_bus driver attributes To: Bjorn Helgaas , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org From: Konstantin Khlebnikov Date: Wed, 08 Aug 2012 14:47:51 +0400 Message-ID: <20120808104751.28854.76212.stgit@zurg> User-Agent: StGit/0.15 MIME-Version: 1.0 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org This patch removes hardcoded sysfs attributes manipulation and converts them into generic pci_bus->dev_attrs. This saves several bytes. Signed-off-by: Konstantin Khlebnikov --- drivers/pci/pci-driver.c | 57 ++++++++-------------------------------------- 1 file changed, 10 insertions(+), 47 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 185be37..4c361e5 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -139,7 +139,6 @@ store_new_id(struct device_driver *driver, const char *buf, size_t count) return retval; return count; } -static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id); /** * store_remove_id - remove a PCI device ID from this driver @@ -185,38 +184,16 @@ store_remove_id(struct device_driver *driver, const char *buf, size_t count) return retval; return count; } -static DRIVER_ATTR(remove_id, S_IWUSR, NULL, store_remove_id); -static int -pci_create_newid_files(struct pci_driver *drv) -{ - int error = 0; +static struct driver_attribute pci_drv_attrs[] = { + __ATTR(new_id, S_IWUSR, NULL, store_new_id), + __ATTR(remove_id, S_IWUSR, NULL, store_remove_id), + __ATTR_NULL, +}; - if (drv->probe != NULL) { - error = driver_create_file(&drv->driver, &driver_attr_new_id); - if (error == 0) { - error = driver_create_file(&drv->driver, - &driver_attr_remove_id); - if (error) - driver_remove_file(&drv->driver, - &driver_attr_new_id); - } - } - return error; -} - -static void pci_remove_newid_files(struct pci_driver *drv) -{ - driver_remove_file(&drv->driver, &driver_attr_remove_id); - driver_remove_file(&drv->driver, &driver_attr_new_id); -} -#else /* !CONFIG_HOTPLUG */ -static inline int pci_create_newid_files(struct pci_driver *drv) -{ - return 0; -} -static inline void pci_remove_newid_files(struct pci_driver *drv) {} -#endif +#else +#define pci_drv_attrs NULL +#endif /* CONFIG_HOTPLUG */ /** * pci_match_id - See if a pci device matches a given pci_id table @@ -1149,8 +1126,6 @@ const struct dev_pm_ops pci_dev_pm_ops = { int __pci_register_driver(struct pci_driver *drv, struct module *owner, const char *mod_name) { - int error; - /* initialize common driver fields */ drv->driver.name = drv->name; drv->driver.bus = &pci_bus_type; @@ -1161,19 +1136,7 @@ int __pci_register_driver(struct pci_driver *drv, struct module *owner, INIT_LIST_HEAD(&drv->dynids.list); /* register with core */ - error = driver_register(&drv->driver); - if (error) - goto out; - - error = pci_create_newid_files(drv); - if (error) - goto out_newid; -out: - return error; - -out_newid: - driver_unregister(&drv->driver); - goto out; + return driver_register(&drv->driver); } /** @@ -1189,7 +1152,6 @@ out_newid: void pci_unregister_driver(struct pci_driver *drv) { - pci_remove_newid_files(drv); driver_unregister(&drv->driver); pci_free_dynids(drv); } @@ -1289,6 +1251,7 @@ struct bus_type pci_bus_type = { .shutdown = pci_device_shutdown, .dev_attrs = pci_dev_attrs, .bus_attrs = pci_bus_attrs, + .drv_attrs = pci_drv_attrs, .pm = PCI_PM_OPS_PTR, };